After importing the data from your SPSS file I replicated your first regression analysis as a proof of concept and data validity check.


Call:
lm(formula = Left_Hippocampus ~ Age_3 + WillDiscComp + Sex + 
    PovStat, data = brain2)

Residuals:
       Min         1Q     Median         3Q        Max 
-494.87719 -187.18063  -41.70472  167.86619  675.60806 

Coefficients:
                Estimate  Std. Error  t value   Pr(>|t|)
(Intercept)  3485.974189  191.164192 18.23550 < 2.22e-16
Age_3          -3.148445    3.352945 -0.93901  0.3510498
WillDiscComp    8.059501    3.606139  2.23494  0.0287100
Sex           157.152811   69.294295  2.26790  0.0265160
PovStat      -186.454830   67.709541 -2.75375  0.0075505

Residual standard error: 273.5955 on 68 degrees of freedom
Multiple R-squared:  0.254148,  Adjusted R-squared:  0.2102743 
F-statistic: 5.792724 on 4 and 68 DF,  p-value: 0.0004511434

The good news is that the results are identical to those you sent to me. It also appears as though no transformations are required. The distributions for the dependent measures are all fairly symmetric and none appear skewed.

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**************Regress Left_Hippocampus on WillDiscComp **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * WillDiscComp + I(Age_3^2) * 
    WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-554.99185 -171.35024  -34.58394  159.93660  679.66315 

Coefficients:
                             Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)             1000.70587768 1580.65408470  0.63310 0.5288921
Age_3                    104.62747689   64.41507134  1.62427 0.1091581
WillDiscComp             137.65026067  107.93352362  1.27532 0.2067338
I(Age_3^2)                -1.12023278    0.63982922 -1.75083 0.0846931
Sex                      156.44244715   70.56591257  2.21697 0.0301291
PovStat                 -198.62427996   68.81191505 -2.88648 0.0052829
Age_3:WillDiscComp        -5.84637395    4.53770512 -1.28840 0.2021745
WillDiscComp:I(Age_3^2)    0.06340345    0.04672889  1.35684 0.1795268

Residual standard error: 271.6423 on 65 degrees of freedom
Multiple R-squared:  0.2971963, Adjusted R-squared:  0.2215098 
F-statistic: 3.926673 on 7 and 65 DF,  p-value: 0.001250347

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**************Regress Left_Hippocampus on RaceDiscComp **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * RaceDiscComp + I(Age_3^2) * 
    RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-628.61319 -159.10330  -42.95111  170.17178  699.14643 

Coefficients:
                            Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)              -35.2476443 5844.2136459 -0.00603 0.9952063
Age_3                    167.1279551  229.1931828  0.72920 0.4684980
RaceDiscComp             328.0559413  862.7788603  0.38023 0.7050131
I(Age_3^2)                -1.9236190    2.2046687 -0.87252 0.3861362
Sex                      208.4712285   68.7338689  3.03302 0.0034769
PovStat                 -201.9490071   70.1494730 -2.87884 0.0053975
Age_3:RaceDiscComp       -16.4454525   33.6555007 -0.48864 0.6267406
RaceDiscComp:I(Age_3^2)    0.1957293    0.3225971  0.60673 0.5461437

Residual standard error: 277.541 on 65 degrees of freedom
Multiple R-squared:  0.2663421, Adjusted R-squared:  0.1873328 
F-statistic: 3.371022 on 7 and 65 DF,  p-value: 0.003956482

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**************Regress Left_Hippocampus on DiscrimCauseComp **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * DiscrimCauseComp + I(Age_3^2) * 
    DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-564.63894 -144.20193  -13.46256  158.09777  796.39399 

Coefficients:
                                 Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)                 1735.80250448 1692.46534309  1.02561 0.3088791
Age_3                         75.62561620   69.43541033  1.08915 0.2801091
DiscrimCauseComp             216.31300252  412.79965951  0.52401 0.6020508
I(Age_3^2)                    -0.82838141    0.68715853 -1.20552 0.2323740
Sex                          181.19286168   71.49334297  2.53440 0.0136819
PovStat                     -206.77965075   71.63949396 -2.88639 0.0052842
Age_3:DiscrimCauseComp        -9.07926658   16.77522692 -0.54123 0.5901989
DiscrimCauseComp:I(Age_3^2)    0.09814626    0.16558661  0.59272 0.5554261

Residual standard error: 279.6766 on 65 degrees of freedom
Multiple R-squared:  0.2550083, Adjusted R-squared:  0.1747784 
F-statistic: 3.178471 on 7 and 65 DF,  p-value: 0.005915342

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**************Regress Left_Hippocampus on DiscrimCauseSum **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * DiscrimCauseSum + I(Age_3^2) * 
    DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-588.70417 -147.48773  -39.25632  148.98733  743.67411 

Coefficients:
                                 Estimate     Std. Error  t value  Pr(>|t|)
(Intercept)                2767.618969032 3239.401969086  0.85436 0.3960429
Age_3                        35.714061040  132.210608075  0.27013 0.7879160
DiscrimCauseSum             -33.552600718  189.790491892 -0.17679 0.8602250
I(Age_3^2)                   -0.450901329    1.307736006 -0.34480 0.7313614
Sex                         198.607964692   71.336274737  2.78411 0.0070223
PovStat                    -205.525954366   72.248933907 -2.84469 0.0059383
Age_3:DiscrimCauseSum         1.108425460    7.708354034  0.14380 0.8861070
DiscrimCauseSum:I(Age_3^2)   -0.007443735    0.076055085 -0.09787 0.9223344

Residual standard error: 283.0699 on 65 degrees of freedom
Multiple R-squared:  0.2368208, Adjusted R-squared:  0.1546322 
F-statistic: 2.881433 on 7 and 65 DF,  p-value: 0.01101588

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**************Regress Left_Hippocampus on Discrim02a **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * Discrim02a + I(Age_3^2) * 
    Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-594.68159 -165.34779  -17.43079  151.87863  651.44793 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)            378.9000260 2026.2383796  0.18700 0.8522456
Age_3                  137.0856430   81.5013628  1.68200 0.0973667
Discrim02a            1210.9090744 1066.5030516  1.13540 0.2603765
I(Age_3^2)              -1.4865665    0.7953939 -1.86897 0.0661338
Sex                    197.0531829   69.9542285  2.81689 0.0064151
PovStat               -180.2939053   69.5047002 -2.59398 0.0117109
Age_3:Discrim02a       -54.6657457   43.2888798 -1.26281 0.2111680
Discrim02a:I(Age_3^2)    0.5962490    0.4260650  1.39943 0.1664378

Residual standard error: 273.1512 on 65 degrees of freedom
Multiple R-squared:  0.289367,  Adjusted R-squared:  0.2128373 
F-statistic: 3.781106 on 7 and 65 DF,  p-value: 0.001688163

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**************Regress Left_Hippocampus on Discrim02b **************
Call:
lm(formula = Left_Hippocampus ~ Age_3 * Discrim02b + I(Age_3^2) * 
    Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-610.14085 -173.18418   -0.08752  148.80000  674.97293 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)            626.4386393 1987.9195050  0.31512 0.7536779
Age_3                  128.1188931   80.2228521  1.59704 0.1151080
Discrim02b             927.1136797  991.6083568  0.93496 0.3532697
I(Age_3^2)              -1.3973283    0.7867691 -1.77603 0.0804077
Sex                    205.0095168   70.5677734  2.90514 0.0050123
PovStat               -193.3963492   70.3565514 -2.74880 0.0077351
Age_3:Discrim02b       -43.1367543   40.2035243 -1.07296 0.2872566
Discrim02b:I(Age_3^2)    0.4773862    0.3965303  1.20391 0.2329909

Residual standard error: 276.8521 on 65 degrees of freedom
Multiple R-squared:  0.2699801, Adjusted R-squared:  0.1913625 
F-statistic: 3.434095 on 7 and 65 DF,  p-value: 0.003469025

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**************Regress Right_Hippocampus on WillDiscComp **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * WillDiscComp + I(Age_3^2) * 
    WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-386.35661 -219.53192  -10.03868  146.53168  599.52868 

Coefficients:
                              Estimate     Std. Error  t value  Pr(>|t|)
(Intercept)             2937.413544947 1545.740663999  1.90033 0.0618269
Age_3                     31.596568510   62.992273961  0.50159 0.6176476
WillDiscComp              22.193884593  105.549492509  0.21027 0.8341147
I(Age_3^2)                -0.344747187    0.625696697 -0.55098 0.5835354
Sex                      164.969699552   69.007255672  2.39061 0.0197265
PovStat                 -215.536521170   67.292000376 -3.20300 0.0021072
Age_3:WillDiscComp        -0.756225852    4.437476485 -0.17042 0.8652108
WillDiscComp:I(Age_3^2)    0.009263774    0.045696740  0.20272 0.8399849

Residual standard error: 265.6423 on 65 degrees of freedom
Multiple R-squared:  0.3023782, Adjusted R-squared:  0.2272497 
F-statistic: 4.024813 on 7 and 65 DF,  p-value: 0.001021982

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**************Regress Right_Hippocampus on RaceDiscComp **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * RaceDiscComp + I(Age_3^2) * 
    RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-401.80535 -190.42098    9.98456  142.95943  599.70117 

Coefficients:
                             Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)             3136.93092037 5583.38303851  0.56183 0.5761618
Age_3                     39.73326032  218.96415961  0.18146 0.8565711
RaceDiscComp              -6.91564895  824.27254487 -0.00839 0.9933315
I(Age_3^2)                -0.63391501    2.10627310 -0.30097 0.7644016
Sex                      199.68319694   65.66623689  3.04088 0.0033986
PovStat                 -206.67994858   67.01866179 -3.08392 0.0029979
Age_3:RaceDiscComp        -1.67852009   32.15343642 -0.05220 0.9585267
RaceDiscComp:I(Age_3^2)    0.04750456    0.30819942  0.15414 0.8779802

Residual standard error: 265.1542 on 65 degrees of freedom
Multiple R-squared:  0.3049394, Adjusted R-squared:  0.2300867 
F-statistic: 4.073861 on 7 and 65 DF,  p-value: 0.0009242104

plot of chunk regress

**************Regress Right_Hippocampus on DiscrimCauseComp **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * DiscrimCauseComp + I(Age_3^2) * 
    DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-441.11987 -210.30987   14.30974  130.30082  627.94313 

Coefficients:
                                 Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)                 2504.41128864 1659.71797986  1.50894 0.1361604
Age_3                         51.26986361   68.09191068  0.75295 0.4541979
DiscrimCauseComp             149.81176634  404.81243517  0.37008 0.7125283
I(Age_3^2)                    -0.53359560    0.67386276 -0.79185 0.4313307
Sex                          201.02382100   70.11002456  2.86726 0.0055755
PovStat                     -213.65513461   70.25334768 -3.04121 0.0033953
Age_3:DiscrimCauseComp        -5.76423244   16.45064453 -0.35040 0.7271749
DiscrimCauseComp:I(Age_3^2)    0.05697589    0.16238269  0.35087 0.7268174

Residual standard error: 274.2652 on 65 degrees of freedom
Multiple R-squared:  0.2563529, Adjusted R-squared:  0.1762678 
F-statistic: 3.201007 on 7 and 65 DF,  p-value: 0.005643045

plot of chunk regress

**************Regress Right_Hippocampus on DiscrimCauseSum **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * DiscrimCauseSum + I(Age_3^2) * 
    DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-453.6187 -207.2405    0.1281  153.1716  632.3907 

Coefficients:
                                 Estimate     Std. Error  t value  Pr(>|t|)
(Intercept)                2638.115905101 3151.265911147  0.83716 0.4055698
Age_3                        46.144926005  128.613486778  0.35879 0.7209168
DiscrimCauseSum              13.356775827  184.626765393  0.07234 0.9425497
I(Age_3^2)                   -0.482670031    1.272155766 -0.37941 0.7056193
Sex                         210.674897763   69.395392407  3.03586 0.0034484
PovStat                    -211.050010838   70.283220394 -3.00285 0.0037935
Age_3:DiscrimCauseSum        -0.532529890    7.498628923 -0.07102 0.9436023
DiscrimCauseSum:I(Age_3^2)    0.005618975    0.073985816  0.07595 0.9396948

Residual standard error: 275.3683 on 65 degrees of freedom
Multiple R-squared:  0.2503589, Adjusted R-squared:  0.1696283 
F-statistic: 3.101166 on 7 and 65 DF,  p-value: 0.006953727

plot of chunk regress

**************Regress Right_Hippocampus on Discrim02a **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * Discrim02a + I(Age_3^2) * 
    Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-433.95524 -213.18697  -12.05744  161.91310  651.83556 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)           1905.1891528 2007.7036805  0.94894 0.3461663
Age_3                   82.4200596   80.7558418  1.02061 0.3112239
Discrim02a             649.5407573 1056.7473815  0.61466 0.5409248
I(Age_3^2)              -0.9029740    0.7881182 -1.14573 0.2561059
Sex                    203.3736974   69.3143331  2.93408 0.0046181
PovStat               -199.2104054   68.8689168 -2.89260 0.0051927
Age_3:Discrim02a       -30.2743695   42.8929015 -0.70581 0.4828265
Discrim02a:I(Age_3^2)    0.3390393    0.4221677  0.80309 0.4248488

Residual standard error: 270.6526 on 65 degrees of freedom
Multiple R-squared:  0.2758143, Adjusted R-squared:  0.197825 
F-statistic: 3.536568 on 7 and 65 DF,  p-value: 0.002802733

plot of chunk regress

**************Regress Right_Hippocampus on Discrim02b **************
Call:
lm(formula = Right_Hippocampus ~ Age_3 * Discrim02b + I(Age_3^2) * 
    Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-419.04626 -203.64410  -20.52337  178.94550  644.04849 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)           1965.2490035 1944.8924920  1.01047 0.3160186
Age_3                   82.9707488   78.4864892  1.05713 0.2943635
Discrim02b             495.7059237  970.1457445  0.51096 0.6111101
I(Age_3^2)              -0.9200794    0.7697401 -1.19531 0.2363081
Sex                    212.6786546   69.0403874  3.08050 0.0030281
PovStat               -209.9628715   68.8337371 -3.05029 0.0033069
Age_3:Discrim02b       -25.2983568   39.3333494 -0.64318 0.5223710
Discrim02b:I(Age_3^2)    0.2937711    0.3879477  0.75724 0.4516400

Residual standard error: 270.8598 on 65 degrees of freedom
Multiple R-squared:  0.2747049, Adjusted R-squared:  0.1965962 
F-statistic: 3.516956 on 7 and 65 DF,  p-value: 0.002919405

plot of chunk regress

**************Regress Left_Amygdala on WillDiscComp **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * WillDiscComp + I(Age_3^2) * 
    WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-230.876924  -51.627434   -6.368046   81.566667  151.026015 

Coefficients:
                             Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)             -180.88200207  558.26738273 -0.32401 0.7469738
Age_3                     54.47860688   22.75060282  2.39460 0.0195310
WillDiscComp              65.26642014   38.12077944  1.71210 0.0916466
I(Age_3^2)                -0.58429963    0.22597973 -2.58563 0.0119708
Sex                       76.10995651   24.92300352  3.05380 0.0032733
PovStat                  -65.30789542   24.30351339 -2.68718 0.0091400
Age_3:WillDiscComp        -2.90413795    1.60266107 -1.81207 0.0745943
WillDiscComp:I(Age_3^2)    0.03225220    0.01650406  1.95420 0.0549826

Residual standard error: 95.94069 on 65 degrees of freedom
Multiple R-squared:  0.3706444, Adjusted R-squared:  0.3028676 
F-statistic: 5.468606 on 7 and 65 DF,  p-value: 0.00005713196

plot of chunk regress

**************Regress Left_Amygdala on RaceDiscComp **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * RaceDiscComp + I(Age_3^2) * 
    RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-284.541678  -45.854749    4.161218   65.621206  138.152170 

Coefficients:
                              Estimate     Std. Error  t value  Pr(>|t|)
(Intercept)             1138.689965273 2076.590886986  0.54835 0.5853329
Age_3                     12.867377886   81.437898006  0.15800 0.8749448
RaceDiscComp            -120.639571643  306.566259786 -0.39352 0.6952242
I(Age_3^2)                -0.274588674    0.783372282 -0.35052 0.7270809
Sex                       98.904882190   24.422811077  4.04969 0.0001391
PovStat                  -65.955082840   24.925809562 -2.64606 0.0102032
Age_3:RaceDiscComp         2.801482520   11.958615876  0.23426 0.8155158
RaceDiscComp:I(Age_3^2)   -0.008017294    0.114626581 -0.06994 0.9444540

Residual standard error: 98.61706 on 65 degrees of freedom
Multiple R-squared:  0.3350415, Adjusted R-squared:  0.2634306 
F-statistic: 4.678638 on 7 and 65 DF,  p-value: 0.0002712463

plot of chunk regress

**************Regress Left_Amygdala on DiscrimCauseComp **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * DiscrimCauseComp + I(Age_3^2) * 
    DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-256.238775  -60.356647   -0.761151   70.898282  176.289341 

Coefficients:
                                Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)                  81.38490484 603.60558858  0.13483 0.8931619
Age_3                        41.73433431  24.76363956  1.68531 0.0967250
DiscrimCauseComp            130.00818535 147.22202878  0.88308 0.3804498
I(Age_3^2)                   -0.43607402   0.24507015 -1.77938 0.0798518
Sex                          85.18078244  25.49758643  3.34074 0.0013879
PovStat                     -68.53292805  25.54971013 -2.68234 0.0092597
Age_3:DiscrimCauseComp       -5.20877533   5.98276399 -0.87063 0.3871602
DiscrimCauseComp:I(Age_3^2)   0.05327822   0.05905527  0.90218 0.3702947

Residual standard error: 99.74464 on 65 degrees of freedom
Multiple R-squared:  0.3197484, Adjusted R-squared:  0.2464905 
F-statistic: 4.364696 on 7 and 65 DF,  p-value: 0.000510833

plot of chunk regress

**************Regress Left_Amygdala on DiscrimCauseSum **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * DiscrimCauseSum + I(Age_3^2) * 
    DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-255.691653  -49.904844    0.884178   72.796618  186.996979 

Coefficients:
                                 Estimate     Std. Error  t value   Pr(>|t|)
(Intercept)                 154.456376839 1159.558783434  0.13320 0.89444460
Age_3                        39.572283541   47.325393181  0.83617 0.40612024
DiscrimCauseSum              16.660750851   67.936376525  0.24524 0.80704285
I(Age_3^2)                   -0.424371636    0.468110098 -0.90656 0.36798606
Sex                          91.424028898   25.535146530  3.58032 0.00065551
PovStat                     -68.732276675   25.861837063 -2.65767 0.00989202
Age_3:DiscrimCauseSum        -0.734028114    2.759240660 -0.26603 0.79106166
DiscrimCauseSum:I(Age_3^2)    0.008447062    0.027224266  0.31028 0.75734305

Residual standard error: 101.3262 on 65 degrees of freedom
Multiple R-squared:  0.2980056, Adjusted R-squared:  0.2224062 
F-statistic: 3.941905 on 7 and 65 DF,  p-value: 0.001211767

plot of chunk regress

**************Regress Left_Amygdala on Discrim02a **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * Discrim02a + I(Age_3^2) * 
    Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-233.675243  -52.861306    5.206022   72.378232  140.648812 

Coefficients:
                         Estimate  Std. Error  t value  Pr(>|t|)
(Intercept)           135.2045085 665.0603414  0.20330 0.8395383
Age_3                  45.0488866  26.7507144  1.68403 0.0969736
Discrim02a            265.3606711 350.0520426  0.75806 0.4511545
I(Age_3^2)             -0.5267389   0.2610675 -2.01763 0.0477615
Sex                    78.9755210  22.9606662  3.43960 0.0010221
PovStat               -57.7836420  22.8131202 -2.53291 0.0137348
Age_3:Discrim02a      -14.2034994  14.2084552 -0.99965 0.3211863
Discrim02a:I(Age_3^2)   0.1801793   0.1398448  1.28842 0.2021661

Residual standard error: 89.65481 on 65 degrees of freedom
Multiple R-squared:  0.4504115, Adjusted R-squared:  0.391225 
F-statistic: 7.610043 on 7 and 65 DF,  p-value: 0.000001096274

plot of chunk regress

**************Regress Left_Amygdala on Discrim02b **************
Call:
lm(formula = Left_Amygdala ~ Age_3 * Discrim02b + I(Age_3^2) * 
    Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-270.845190  -57.891814    7.098541   75.548227  139.854383 

Coefficients:
                         Estimate  Std. Error  t value  Pr(>|t|)
(Intercept)           180.0646706 696.7950603  0.25842 0.7969005
Age_3                  42.6150742  28.1192910  1.51551 0.1344915
Discrim02b            161.3479464 347.5733313  0.46421 0.6440464
I(Age_3^2)             -0.4883147   0.2757742 -1.77071 0.0812984
Sex                    87.6118084  24.7350437  3.54201 0.0007405
PovStat               -65.1050051  24.6610073 -2.64000 0.0103691
Age_3:Discrim02b       -9.3751030  14.0919273 -0.66528 0.5082241
Discrim02b:I(Age_3^2)   0.1222886   0.1389897  0.87984 0.3821876

Residual standard error: 97.04072 on 65 degrees of freedom
Multiple R-squared:  0.3561296, Adjusted R-squared:  0.2867897 
F-statistic: 5.135998 on 7 and 65 DF,  p-value: 0.000109383

plot of chunk regress

**************Regress Right_Amygdala on WillDiscComp **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * WillDiscComp + I(Age_3^2) * 
    WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-228.260285  -70.740317   -5.823026   50.574088  226.115504 

Coefficients:
                            Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)             910.02422425 625.96019905  1.45381 0.1508119
Age_3                     5.69640487  25.50923144  0.22331 0.8239964
WillDiscComp            -29.97359242  42.74312171 -0.70125 0.4856504
I(Age_3^2)               -0.06630535   0.25338094 -0.26168 0.7943937
Sex                      91.78193763  27.94504699  3.28437 0.0016486
PovStat                 -53.74314258  27.25044047 -1.97219 0.0528451
Age_3:WillDiscComp        1.38187622   1.79699204  0.76899 0.4446821
WillDiscComp:I(Age_3^2)  -0.01426415   0.01850526 -0.77082 0.4436089

Residual standard error: 107.574 on 65 degrees of freedom
Multiple R-squared:  0.2965538, Adjusted R-squared:  0.2207981 
F-statistic: 3.914605 on 7 and 65 DF,  p-value: 0.001281795

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**************Regress Right_Amygdala on RaceDiscComp **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * RaceDiscComp + I(Age_3^2) * 
    RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-253.33538  -60.41452  -10.18432   65.66003  219.30557 

Coefficients:
                             Estimate    Std. Error  t value   Pr(>|t|)
(Intercept)             2142.19117948 2266.87473786  0.94500 0.34815974
Age_3                    -31.96207869   88.90028115 -0.35953 0.72036607
RaceDiscComp            -243.94270043  334.65778654 -0.72893 0.46866174
I(Age_3^2)                 0.18396752    0.85515488  0.21513 0.83034131
Sex                      103.66072668   26.66074180  3.88814 0.00023987
PovStat                  -48.95369490   27.20983145 -1.79912 0.07664220
Age_3:RaceDiscComp         8.39168145   13.05441741  0.64282 0.52260005
RaceDiscComp:I(Age_3^2)   -0.06651695    0.12513014 -0.53158 0.59682751

Residual standard error: 107.6536 on 65 degrees of freedom
Multiple R-squared:  0.2955121, Adjusted R-squared:  0.2196442 
F-statistic: 3.895086 on 7 and 65 DF,  p-value: 0.001334369

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**************Regress Right_Amygdala on DiscrimCauseComp **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * DiscrimCauseComp + I(Age_3^2) * 
    DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-226.625875  -70.609412   -9.584572   55.119644  224.197933 

Coefficients:
                                Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)                 434.35197331 651.51809200  0.66668 0.5073382
Age_3                        26.26288376  26.72930719  0.98255 0.3294721
DiscrimCauseComp             73.95543491 158.90809678  0.46540 0.6432024
I(Age_3^2)                   -0.28237030   0.26452312 -1.06747 0.2897087
Sex                          91.67930322  27.52151268  3.33119 0.0014292
PovStat                     -56.92897979  27.57777381 -2.06431 0.0429839
Age_3:DiscrimCauseComp       -2.56922377   6.45765887 -0.39786 0.6920394
DiscrimCauseComp:I(Age_3^2)   0.02478548   0.06374291  0.38884 0.6986690

Residual standard error: 107.6621 on 65 degrees of freedom
Multiple R-squared:  0.2954012, Adjusted R-squared:  0.2195213 
F-statistic: 3.893011 on 7 and 65 DF,  p-value: 0.001340085

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**************Regress Right_Amygdala on DiscrimCauseSum **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * DiscrimCauseSum + I(Age_3^2) * 
    DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-212.908581  -66.800502   -6.912801   60.135990  232.090714 

Coefficients:
                                Estimate    Std. Error  t value   Pr(>|t|)
(Intercept)                 229.35475825 1234.90531303  0.18573 0.85323754
Age_3                        36.38366595   50.40053192  0.72189 0.47295081
DiscrimCauseSum              22.62398010   72.35078852  0.31270 0.75551082
I(Age_3^2)                   -0.40849352    0.49852725 -0.81940 0.41555228
Sex                          94.84722907   27.19438511  3.48775 0.00087897
PovStat                     -57.63501550   27.54230355 -2.09260 0.04029351
Age_3:DiscrimCauseSum        -0.94159080    2.93853231 -0.32043 0.74967104
DiscrimCauseSum:I(Age_3^2)    0.01081851    0.02899326  0.37314 0.71025928

Residual standard error: 107.9102 on 65 degrees of freedom
Multiple R-squared:   0.29215,  Adjusted R-squared:   0.21592 
F-statistic:  3.83248 on 7 and 65 DF,  p-value: 0.001518229

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**************Regress Right_Amygdala on Discrim02a **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * Discrim02a + I(Age_3^2) * 
    Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-203.99647  -63.03843  -15.25058   67.33560  213.36676 

Coefficients:
                           Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)            879.91926891  787.88172990  1.11682 0.2681842
Age_3                   12.32908720   31.69095766  0.38904 0.6985173
Discrim02a            -156.96972552  414.69862464 -0.37852 0.7062814
I(Age_3^2)              -0.18450838    0.30928066 -0.59657 0.5528649
Sex                     89.35291074   27.20097452  3.28492 0.0016459
PovStat                -48.44658116   27.02618013 -1.79258 0.0776935
Age_3:Discrim02a         4.54505370   16.83243089  0.27002 0.7880021
Discrim02a:I(Age_3^2)   -0.02040662    0.16567096 -0.12318 0.9023481

Residual standard error: 106.212 on 65 degrees of freedom
Multiple R-squared:  0.3142537, Adjusted R-squared:  0.2404041 
F-statistic: 4.255321 on 7 and 65 DF,  p-value: 0.0006379857

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**************Regress Right_Amygdala on Discrim02b **************
Call:
lm(formula = Right_Amygdala ~ Age_3 * Discrim02b + I(Age_3^2) * 
    Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-239.37798  -65.69506  -12.78102   75.27306  232.58739 

Coefficients:
                          Estimate   Std. Error  t value   Pr(>|t|)
(Intercept)            874.0712900  790.0177663  1.10639 0.27263383
Age_3                   10.7615564   31.8813102  0.33755 0.73678952
Discrim02b            -220.3975251  394.0744165 -0.55928 0.57789340
I(Age_3^2)              -0.1403592    0.3126694 -0.44891 0.65499249
Sex                    100.5715017   28.0442918  3.58617 0.00064339
PovStat                -52.6677260   27.9603502 -1.88366 0.06408588
Age_3:Discrim02b         8.1298816   15.9772558  0.50884 0.61258666
Discrim02b:I(Age_3^2)   -0.0715987    0.1575848 -0.45435 0.65109043

Residual standard error: 110.0236 on 65 degrees of freedom
Multiple R-squared:  0.2641523, Adjusted R-squared:  0.1849072 
F-statistic: 3.333357 on 7 and 65 DF,  p-value: 0.004279952

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**************Regress Left_ACgG_anterior_cingulate_gyr on WillDiscComp **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-1523.6884  -364.5938   -27.5745   305.7785  1669.9674 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             8888.93187075 3558.63463446  2.49785 0.015035
Age_3                   -181.35651472  145.02205515 -1.25054 0.215584
WillDiscComp            -159.55162575  242.99812280 -0.65660 0.513759
I(Age_3^2)                 1.56847282    1.44049127  1.08885 0.280243
Sex                       88.72209910  158.86986464  0.55846 0.578451
PovStat                  284.03294374  154.92097008  1.83341 0.071322
Age_3:WillDiscComp         7.01458499   10.21604586  0.68662 0.494762
WillDiscComp:I(Age_3^2)   -0.07001846    0.10520394 -0.66555 0.508054

Residual standard error: 611.5669 on 65 degrees of freedom
Multiple R-squared:  0.2383342, Adjusted R-squared:  0.1563087 
F-statistic:  2.90561 on 7 and 65 DF,  p-value: 0.01047207

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**************Regress Left_ACgG_anterior_cingulate_gyr on RaceDiscComp **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1425.91033  -322.50521   -30.65973   420.19261  1443.42118 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             -2386.7470252 12434.4333696 -0.19195 0.848382
Age_3                     322.3184909   487.6425698  0.66097 0.510966
RaceDiscComp             1399.6149810  1835.6902915  0.76245 0.448552
I(Age_3^2)                 -3.9733523     4.6907605 -0.84706 0.400070
Sex                       128.7884982   146.2415245  0.88066 0.381749
PovStat                   294.4630882   149.2534327  1.97291 0.052762
Age_3:RaceDiscComp        -62.2176810    71.6070812 -0.86888 0.388112
RaceDiscComp:I(Age_3^2)     0.6911863     0.6863733  1.00701 0.317663

Residual standard error: 590.5098 on 65 degrees of freedom
Multiple R-squared:  0.2898818, Adjusted R-squared:  0.2134075 
F-statistic: 3.790579 on 7 and 65 DF,  p-value: 0.001655441

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**************Regress Left_ACgG_anterior_cingulate_gyr on DiscrimCauseComp **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1590.36757  -321.89358   -39.25362   399.85442  1430.18714 

Coefficients:
                                   Estimate      Std. Error  t value Pr(>|t|)
(Intercept)                 7408.6221576501 3713.3980937782  1.99511 0.050227
Age_3                       -111.6953944937  152.3465880247 -0.73317 0.466093
DiscrimCauseComp             -41.3393566414  905.7139485923 -0.04564 0.963735
I(Age_3^2)                     0.7868482072    1.5076782366  0.52189 0.603518
Sex                           90.4119972967  156.8618492518  0.57638 0.566349
PovStat                      271.8054560026  157.1825156669  1.72923 0.088514
Age_3:DiscrimCauseComp         1.5588935219   36.8061277663  0.04235 0.966346
DiscrimCauseComp:I(Age_3^2)    0.0002380779    0.3633096485  0.00066 0.999479

Residual standard error: 613.6318 on 65 degrees of freedom
Multiple R-squared:  0.2331823, Adjusted R-squared:  0.1506019 
F-statistic: 2.823701 on 7 and 65 DF,  p-value: 0.01243123

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**************Regress Left_ACgG_anterior_cingulate_gyr on DiscrimCauseSum **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1706.76933  -305.92159   -23.23772   404.78214  1430.69055 

Coefficients:
                               Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 882.2143585 6791.7437395  0.12990 0.897051
Age_3                       182.5313861  277.1933148  0.65850 0.512544
DiscrimCauseSum             378.7119252  397.9155404  0.95174 0.344755
I(Age_3^2)                   -2.4332674    2.7418048 -0.88747 0.378098
Sex                         101.9508706  149.5639325  0.68165 0.497879
PovStat                     257.9791503  151.4774175  1.70309 0.093329
Age_3:DiscrimCauseSum       -17.0344529   16.1613674 -1.05402 0.295775
DiscrimCauseSum:I(Age_3^2)    0.1894634    0.1594574  1.18818 0.239088

Residual standard error: 593.4855 on 65 degrees of freedom
Multiple R-squared:  0.2827068, Adjusted R-squared:  0.2054598 
F-statistic: 3.659779 on 7 and 65 DF,  p-value: 0.002170126

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**************Regress Left_ACgG_anterior_cingulate_gyr on Discrim02a **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-1431.1685  -300.5156   -36.6638   386.2646  1521.7254 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)           5148.4061465 4430.7313025  1.16198 0.249494
Age_3                   -5.0697428  178.2172537 -0.02845 0.977393
Discrim02a            1281.4773585 2332.0989783  0.54950 0.584549
I(Age_3^2)              -0.4118637    1.7392705 -0.23680 0.813555
Sex                     94.0279450  152.9673867  0.61469 0.540904
PovStat                332.6153185  151.9844131  2.18848 0.032234
Age_3:Discrim02a       -62.4355416   94.6588500 -0.65958 0.511851
Discrim02a:I(Age_3^2)    0.7451427    0.9316671  0.79979 0.426743

Residual standard error: 597.2938 on 65 degrees of freedom
Multiple R-squared:  0.2734719, Adjusted R-squared:  0.1952304 
F-statistic: 3.495229 on 7 and 65 DF,  p-value: 0.003054394

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**************Regress Left_ACgG_anterior_cingulate_gyr on Discrim02b **************
Call:
lm(formula = Left_ACgG_anterior_cingulate_gyr ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1502.93233  -341.13524    21.58424   343.81801  1573.18716 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)           1247.6162275 4218.5759039  0.29574 0.768369
Age_3                  167.5408590  170.2413957  0.98414 0.328697
Discrim02b            3147.9395946 2104.2980411  1.49596 0.139505
I(Age_3^2)              -2.1802793    1.6696075 -1.30586 0.196202
Sex                    150.4673641  149.7522952  1.00478 0.318731
PovStat                315.0671804  149.3040596  2.11024 0.038691
Age_3:Discrim02b      -145.4019293   85.3161399 -1.70427 0.093107
Discrim02b:I(Age_3^2)    1.5931349    0.8414793  1.89326 0.062777

Residual standard error: 587.5094 on 65 degrees of freedom
Multiple R-squared:  0.2970796, Adjusted R-squared:  0.2213805 
F-statistic: 3.924479 on 7 and 65 DF,  p-value: 0.001256004

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**************Regress Right_ACgG_anterior_cingulate_gy on WillDiscComp **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1818.67288  -393.07304     4.90089   350.20170  2196.41552 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             12994.4504117  3813.0236769  3.40791 0.001128
Age_3                    -354.6345801   155.3889586 -2.28224 0.025756
WillDiscComp             -339.3013540   260.3688467 -1.30316 0.197119
I(Age_3^2)                  3.0931219     1.5434648  2.00401 0.049239
Sex                       -14.0353558   170.2266790 -0.08245 0.934541
PovStat                  -212.8089280   165.9954976 -1.28202 0.204391
Age_3:WillDiscComp         14.1636515    10.9463400  1.29392 0.200273
WillDiscComp:I(Age_3^2)    -0.1326252     0.1127244 -1.17654 0.243668

Residual standard error: 655.2848 on 65 degrees of freedom
Multiple R-squared:  0.3086871, Adjusted R-squared:  0.234238 
F-statistic: 4.146285 on 7 and 65 DF,  p-value: 0.0007969124

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**************Regress Right_ACgG_anterior_cingulate_gy on RaceDiscComp **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-1974.2631  -369.8566   -56.1419   348.7463  2109.4294 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             31810.5329710 14190.5191750  2.24168 0.028402
Age_3                   -1019.5676234   556.5111840 -1.83207 0.071523
RaceDiscComp            -3603.1835541  2094.9405177 -1.71995 0.090201
I(Age_3^2)                  8.7464641     5.3532256  1.63387 0.107121
Sex                       151.5401897   166.8948713  0.90800 0.367234
PovStat                  -139.6047723   170.3321443 -0.81960 0.415438
Age_3:RaceDiscComp        132.1634830    81.7199810  1.61727 0.110663
RaceDiscComp:I(Age_3^2)    -1.1598147     0.7833082 -1.48066 0.143528

Residual standard error: 673.9061 on 65 degrees of freedom
Multiple R-squared:  0.2688386, Adjusted R-squared:  0.1900981 
F-statistic: 3.414237 on 7 and 65 DF,  p-value: 0.003615584

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**************Regress Right_ACgG_anterior_cingulate_gy on DiscrimCauseComp **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-2096.08302  -423.08213   -88.49287   452.35808  2154.85311 

Coefficients:
                                 Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                 10094.6660672  4243.2838820  2.37897 0.020307
Age_3                        -231.1675395   174.0857848 -1.32789 0.188857
DiscrimCauseComp             -590.4056856  1034.9553974 -0.57046 0.570329
I(Age_3^2)                      1.8845656     1.7228174  1.09389 0.278042
Sex                           100.6515092   179.2453542  0.56153 0.576368
PovStat                      -198.7177734   179.6117783 -1.10637 0.272643
Age_3:DiscrimCauseComp         23.8909193    42.0582024  0.56804 0.571962
DiscrimCauseComp:I(Age_3^2)    -0.2200843     0.4151524 -0.53013 0.597829

Residual standard error: 701.1944 on 65 degrees of freedom
Multiple R-squared:  0.2084264, Adjusted R-squared:   0.12318 
F-statistic: 2.444987 on 7 and 65 DF,  p-value: 0.02741106

plot of chunk regress

**************Regress Right_ACgG_anterior_cingulate_gy on DiscrimCauseSum **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-2162.5309  -431.7204   -85.1405   409.4410  2130.5456 

Coefficients:
                                 Estimate     Std. Error  t value Pr(>|t|)
(Intercept)                11120.82919786  8091.69624174  1.37435  0.17405
Age_3                       -266.96745489   330.24863561 -0.80838  0.42182
DiscrimCauseSum             -223.00905884   474.07732187 -0.47041  0.63964
I(Age_3^2)                     2.21075434     3.26659137  0.67678  0.50095
Sex                          141.89019826   178.19074993  0.79628  0.42877
PovStat                     -173.79531679   180.47047960 -0.96301  0.33911
Age_3:DiscrimCauseSum          8.58428016    19.25468342  0.44583  0.65720
DiscrimCauseSum:I(Age_3^2)    -0.07858264     0.18997786 -0.41364  0.68050

Residual standard error: 707.0798 on 65 degrees of freedom
Multiple R-squared:  0.1950826, Adjusted R-squared:  0.1083992 
F-statistic: 2.250519 on 7 and 65 DF,  p-value: 0.04100638

plot of chunk regress

**************Regress Right_ACgG_anterior_cingulate_gy on Discrim02a **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1826.80111  -412.22405   -49.75815   336.35160  2231.20993 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           13085.8386027  5062.1885774  2.58502  0.01199
Age_3                  -334.4820823   203.6163523 -1.64271  0.10527
Discrim02a            -2864.2874349  2664.4641715 -1.07500  0.28635
I(Age_3^2)                2.7077760     1.9871472  1.36264  0.17770
Sex                      43.7585288   174.7679344  0.25038  0.80308
PovStat                -167.7044534   173.6448697 -0.96579  0.33773
Age_3:Discrim02a        106.0300929   108.1494039  0.98040  0.33052
Discrim02a:I(Age_3^2)    -0.9006824     1.0644461 -0.84615  0.40057

Residual standard error: 682.4186 on 65 degrees of freedom
Multiple R-squared:  0.2502504, Adjusted R-squared:  0.1695081 
F-statistic: 3.099373 on 7 and 65 DF,  p-value: 0.00697986

plot of chunk regress

**************Regress Right_ACgG_anterior_cingulate_gy on Discrim02b **************
Call:
lm(formula = Right_ACgG_anterior_cingulate_gy ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
        Min          1Q      Median          3Q         Max 
-1939.33615  -417.38064   -59.75004   457.32370  2012.65506 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           10677.7299429  4907.4038031  2.17584 0.033208
Age_3                  -217.9957482   198.0391705 -1.10077 0.275056
Discrim02b            -1775.1563577  2447.8972158 -0.72518 0.470947
I(Age_3^2)                1.4830462     1.9422284  0.76358 0.447880
Sex                     110.0189782   174.2045182  0.63155 0.529895
PovStat                -196.5264908   173.6830927 -1.13152 0.261992
Age_3:Discrim02b         51.6006633    99.2469400  0.51992 0.604884
Discrim02b:I(Age_3^2)    -0.3234241     0.9788798 -0.33040 0.742159

Residual standard error: 683.4406 on 65 degrees of freedom
Multiple R-squared:  0.2480032, Adjusted R-squared:  0.1670189 
F-statistic: 3.062362 on 7 and 65 DF,  p-value: 0.007542057

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on WillDiscComp **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-602.59347 -242.29909   -7.62581  161.89113  804.59059 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             2787.39895854 1962.13798489  1.42059 0.160215
Age_3                    -49.94928971   79.96136504 -0.62467 0.534376
WillDiscComp             -47.99600812  133.98280408 -0.35823 0.721336
I(Age_3^2)                 0.52007847    0.79424918  0.65481 0.514904
Sex                      158.97883317   87.59668471  1.81490 0.074154
PovStat                   56.63189110   85.41936762  0.66299 0.509684
Age_3:WillDiscComp         2.52107759    5.63286027  0.44757 0.655954
WillDiscComp:I(Age_3^2)   -0.03020926    0.05800670 -0.52079 0.604283

Residual standard error: 337.202 on 65 degrees of freedom
Multiple R-squared:  0.08359729,    Adjusted R-squared:  -0.01509224 
F-statistic: 0.8470736 on 7 and 65 DF,  p-value: 0.5528046

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on RaceDiscComp **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-626.56953 -214.89138   -4.89766  189.18914  788.89108 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             -2882.0600461  7092.7535097 -0.40634 0.685829
Age_3                     195.7595371   278.1573109  0.70377 0.484088
RaceDiscComp              759.6669829  1047.1002876  0.72550 0.470752
I(Age_3^2)                 -2.0101714     2.6756674 -0.75128 0.455197
Sex                       163.9838028    83.4179617  1.96581 0.053595
PovStat                    46.3939121    85.1359911  0.54494 0.587660
Age_3:RaceDiscComp        -31.9489544    40.8455586 -0.78219 0.436944
RaceDiscComp:I(Age_3^2)     0.3210064     0.3915158  0.81991 0.415266

Residual standard error: 336.834 on 65 degrees of freedom
Multiple R-squared:  0.08559614,    Adjusted R-squared:  -0.01287812 
F-statistic: 0.8692234 on 7 and 65 DF,  p-value: 0.5355587

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on DiscrimCauseComp **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-593.58882 -247.47204  -24.42111  156.38562  738.07222 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 3883.2763338 2040.3220779  1.90327 0.061436
Age_3                        -91.3277045   83.7066480 -1.09104 0.279281
DiscrimCauseComp            -419.9170957  497.6434303 -0.84381 0.401870
I(Age_3^2)                     0.8952559    0.8283920  1.08072 0.283817
Sex                          154.2130494   86.1875528  1.78927 0.078230
PovStat                       46.5859683   86.3637426  0.53942 0.591443
Age_3:DiscrimCauseComp        17.9493594   20.2230823  0.88757 0.378046
DiscrimCauseComp:I(Age_3^2)   -0.1836647    0.1996200 -0.92007 0.360938

Residual standard error: 337.1592 on 65 degrees of freedom
Multiple R-squared:  0.08382965,    Adjusted R-squared:  -0.01483485 
F-statistic: 0.8496435 on 7 and 65 DF,  p-value: 0.5507914

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on DiscrimCauseSum **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-616.28676 -263.57327  -26.70546  163.15046  777.16231 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                3667.90893241 3872.23898894  0.94723 0.347029
Age_3                       -75.01436509  158.03876031 -0.47466 0.636622
DiscrimCauseSum             -88.57411393  226.86722718 -0.39042 0.697501
I(Age_3^2)                    0.69302006    1.56321025  0.44333 0.658998
Sex                         163.04107746   85.27225303  1.91201 0.060285
PovStat                      60.88778316   86.36320576  0.70502 0.483317
Age_3:DiscrimCauseSum         3.32752294    9.21422822  0.36113 0.719174
DiscrimCauseSum:I(Age_3^2)   -0.03166250    0.09091291 -0.34827 0.728761

Residual standard error: 338.3693 on 65 degrees of freedom
Multiple R-squared:  0.07724144,    Adjusted R-squared:  -0.02213256 
F-statistic: 0.7772802 on 7 and 65 DF,  p-value: 0.608537

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on Discrim02a **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-580.3598 -226.0163   -3.4308  189.4175  673.9267 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           -1371.0840348  2435.5058256 -0.56296 0.575401
Age_3                   129.2499364    97.9633225  1.31937 0.191674
Discrim02a             2350.8698914  1281.9194529  1.83387 0.071252
I(Age_3^2)               -1.3496071     0.9560507 -1.41165 0.162823
Sex                     165.8036389    84.0838534  1.97188 0.052881
PovStat                  82.0455299    83.5435277  0.98207 0.329707
Age_3:Discrim02a        -97.9922373    52.0325348 -1.88329 0.064137
Discrim02a:I(Age_3^2)     0.9918569     0.5121233  1.93675 0.057124

Residual standard error: 328.3233 on 65 degrees of freedom
Multiple R-squared:  0.1312205, Adjusted R-squared:  0.03765961 
F-statistic: 1.402515 on 7 and 65 DF,  p-value: 0.2195604

plot of chunk regress

**************Regress Left_MFC_medial_frontal_cortex on Discrim02b **************
Call:
lm(formula = Left_MFC_medial_frontal_cortex ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-665.38861 -225.05260  -11.87794  199.26086  655.31133 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           -1928.7539358  2361.7048447 -0.81668 0.417095
Age_3                   149.4643249    95.3070273  1.56824 0.121681
Discrim02b             2418.3845368  1178.0588975  2.05286 0.044116
I(Age_3^2)               -1.5028798     0.9347041 -1.60787 0.112711
Sex                     186.9296191    83.8365195  2.22969 0.029229
PovStat                  75.5081974    83.5855817  0.90336 0.369669
Age_3:Discrim02b        -99.1488638    47.7629289 -2.07585 0.041868
Discrim02b:I(Age_3^2)     0.9768862     0.4710892  2.07368 0.042076

Residual standard error: 328.9081 on 65 degrees of freedom
Multiple R-squared:  0.1281229, Adjusted R-squared:  0.0342284 
F-statistic: 1.364541 on 7 and 65 DF,  p-value: 0.2354069

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on WillDiscComp **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-819.69656 -251.81964  -21.55764  147.06942 1148.47140 

Coefficients:
                              Estimate     Std. Error  t value Pr(>|t|)
(Intercept)             2070.253748637 2151.217990248  0.96236  0.33943
Age_3                    -19.079614399   87.666784052 -0.21764  0.82839
WillDiscComp              29.073313767  146.893959922  0.19792  0.84373
I(Age_3^2)                 0.178647483    0.870786428  0.20516  0.83809
Sex                       31.838207234   96.037875769  0.33152  0.74132
PovStat                 -105.079197536   93.650743090 -1.12203  0.26598
Age_3:WillDiscComp        -0.280054727    6.175666764 -0.04535  0.96397
WillDiscComp:I(Age_3^2)   -0.002336793    0.063596469 -0.03674  0.97080

Residual standard error: 369.6962 on 65 degrees of freedom
Multiple R-squared:  0.1319514, Adjusted R-squared:  0.03846922 
F-statistic: 1.411514 on 7 and 65 DF,  p-value: 0.2159419

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on RaceDiscComp **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-685.94253 -235.84695  -13.50824  184.03391 1156.92306 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             -6233.6433922  7771.6756167 -0.80210  0.42542
Age_3                     328.8370135   304.7826754  1.07892  0.28461
RaceDiscComp             1330.1764451  1147.3292795  1.15937  0.25055
I(Age_3^2)                 -3.4508209     2.9317837 -1.17704  0.24347
Sex                        54.0716570    91.4027729  0.59158  0.55619
PovStat                  -108.3622222    93.2852531 -1.16162  0.24964
Age_3:RaceDiscComp        -53.5858287    44.7553170 -1.19731  0.23554
RaceDiscComp:I(Age_3^2)     0.5442190     0.4289919  1.26860  0.20911

Residual standard error: 369.076 on 65 degrees of freedom
Multiple R-squared:  0.1348616, Adjusted R-squared:  0.04169287 
F-statistic: 1.447498 on 7 and 65 DF,  p-value: 0.2019836

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on DiscrimCauseComp **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-731.1823 -247.7241  -23.5425  151.5239 1164.5020 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 3910.5181259 2268.3090580  1.72398 0.089465
Age_3                        -87.7773176   93.0600859 -0.94323 0.349055
DiscrimCauseComp            -274.7629962  553.2504465 -0.49663 0.621123
I(Age_3^2)                     0.7965256    0.9209571  0.86489 0.390281
Sex                           34.5323081   95.8182087  0.36039 0.719721
PovStat                     -134.8851547   96.0140860 -1.40485 0.164828
Age_3:DiscrimCauseComp        13.3208756   22.4828233  0.59249 0.555577
DiscrimCauseComp:I(Age_3^2)   -0.1392935    0.2219257 -0.62766 0.532427

Residual standard error: 374.8336 on 65 degrees of freedom
Multiple R-squared:  0.1076584, Adjusted R-squared:  0.01156002 
F-statistic: 1.120294 on 7 and 65 DF,  p-value: 0.3613932

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on DiscrimCauseSum **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-728.06497 -276.76380  -23.02734  163.76776 1188.37582 

Coefficients:
                               Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                4467.8725252 4370.1011317  1.02237  0.31039
Age_3                      -101.6697014  178.3581456 -0.57003  0.57062
DiscrimCauseSum            -123.2952200  256.0360373 -0.48155  0.63174
I(Age_3^2)                    0.8578765    1.7641956  0.48627  0.62841
Sex                          54.7221685   96.2358911  0.56863  0.57157
PovStat                    -118.7032284   97.4671099 -1.21788  0.22767
Age_3:DiscrimCauseSum         4.8849561   10.3989215  0.46976  0.64010
DiscrimCauseSum:I(Age_3^2)   -0.0447453    0.1026018 -0.43611  0.66420

Residual standard error: 381.8742 on 65 degrees of freedom
Multiple R-squared:  0.07382152,    Adjusted R-squared:  -0.02592077 
F-statistic: 0.7401226 on 7 and 65 DF,  p-value: 0.6388475

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on Discrim02a **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-764.2473 -189.2926  -15.0409  167.6284  836.5182 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           -2325.0059195  2533.9422364 -0.91754 0.362249
Age_3                   172.3505933   101.9227291  1.69099 0.095628
Discrim02a             3165.2915018  1333.7310925  2.37326 0.020598
I(Age_3^2)               -1.8683605     0.9946916 -1.87833 0.064822
Sex                      50.9723420    87.4822903  0.58266 0.562139
PovStat                 -55.6491614    86.9201261 -0.64023 0.524271
Age_3:Discrim02a       -129.3352300    54.1355459 -2.38910 0.019801
Discrim02a:I(Age_3^2)     1.3225348     0.5328219  2.48213 0.015653

Residual standard error: 341.5932 on 65 degrees of freedom
Multiple R-squared:  0.2589072, Adjusted R-squared:  0.1790972 
F-statistic: 3.244045 on 7 and 65 DF,  p-value: 0.005157556

plot of chunk regress

**************Regress Right_MFC_medial_frontal_cortex on Discrim02b **************
Call:
lm(formula = Right_MFC_medial_frontal_cortex ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-710.67401 -214.88935    7.07326  195.28325  815.64676 

Coefficients:
                           Estimate    Std. Error  t value   Pr(>|t|)
(Intercept)           -4839.3963141  2460.0646767 -1.96718 0.05343299
Age_3                   275.0290732    99.2763562  2.77034 0.00729284
Discrim02b             4302.9658773  1227.1224693  3.50655 0.00082843
I(Age_3^2)               -2.8536389     0.9736324 -2.93092 0.00465969
Sex                      85.1683039    87.3281268  0.97527 0.33304317
PovStat                 -60.7211640    87.0667380 -0.69741 0.48803370
Age_3:Discrim02b       -175.6896337    49.7521503 -3.53130 0.00076609
Discrim02b:I(Age_3^2)     1.7613402     0.4907091  3.58938 0.00063682

Residual standard error: 342.6064 on 65 degrees of freedom
Multiple R-squared:  0.2545045, Adjusted R-squared:  0.1742204 
F-statistic: 3.170047 on 7 and 65 DF,  p-value: 0.006020475

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**************Regress Left_OrIFG_orbital_part_of_the_i on WillDiscComp **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-846.15975 -279.48265  -12.39925  158.76168  936.97930 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             2400.72755640 2067.67765723  1.16107  0.24986
Age_3                    -52.53388451   84.26233487 -0.62346  0.53517
WillDiscComp             -80.01747292  141.18948442 -0.56674  0.57284
I(Age_3^2)                 0.49693115    0.83697033  0.59373  0.55476
Sex                       84.82528716   92.30834387  0.91893  0.36153
PovStat                  -33.70922738   90.01391302 -0.37449  0.70926
Age_3:WillDiscComp         3.03002816    5.93584111  0.51046  0.61146
WillDiscComp:I(Age_3^2)   -0.02482070    0.06112677 -0.40605  0.68604

Residual standard error: 355.3394 on 65 degrees of freedom
Multiple R-squared:  0.09672611,    Adjusted R-squared:  -0.0005495349 
F-statistic: 0.9943507 on 7 and 65 DF,  p-value: 0.4434144

plot of chunk regress

**************Regress Left_OrIFG_orbital_part_of_the_i on RaceDiscComp **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-771.02260 -244.90277   26.01399  156.10485 1017.38839 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             -2716.7553008  7635.4526789 -0.35581  0.72314
Age_3                     136.5023253   299.4404051  0.45586  0.65001
RaceDiscComp              552.9155496  1127.2187431  0.49051  0.62542
I(Age_3^2)                 -1.1816295     2.8803950 -0.41023  0.68299
Sex                       132.1773865    89.8006533  1.47190  0.14587
PovStat                   -18.1964240    91.6501371 -0.19854  0.84324
Age_3:RaceDiscComp        -20.1343243    43.9708400 -0.45790  0.64855
RaceDiscComp:I(Age_3^2)     0.1801631     0.4214724  0.42746  0.67046

Residual standard error: 362.6068 on 65 degrees of freedom
Multiple R-squared:  0.05940123,    Adjusted R-squared:  -0.04189402 
F-statistic: 0.5864167 on 7 and 65 DF,  p-value: 0.7645568

plot of chunk regress

**************Regress Left_OrIFG_orbital_part_of_the_i on DiscrimCauseComp **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-741.4614 -274.9876   49.9271  166.1691  945.3934 

Coefficients:
                                 Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                  5156.0340144  2105.6431692  2.44867 0.017045
Age_3                        -170.0837139    86.3865237 -1.96887 0.053235
DiscrimCauseComp            -1163.0563076   513.5755287 -2.26463 0.026877
I(Age_3^2)                      1.7051454     0.8549130  1.99453 0.050292
Sex                           109.3834357    88.9468549  1.22976 0.223219
PovStat                       -51.4419468    89.1286854 -0.57716 0.565822
Age_3:DiscrimCauseComp         47.7813667    20.8705260  2.28942 0.025311
DiscrimCauseComp:I(Age_3^2)    -0.4676948     0.2060109 -2.27024 0.026515

Residual standard error: 347.9534 on 65 degrees of freedom
Multiple R-squared:  0.1338864, Adjusted R-squared:  0.04061268 
F-statistic: 1.435414 on 7 and 65 DF,  p-value: 0.2065812

plot of chunk regress

**************Regress Left_OrIFG_orbital_part_of_the_i on DiscrimCauseSum **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-698.34678 -286.57783   21.16952  191.87425  955.50788 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                9160.59385592 4019.14991120  2.27924 0.025944
Age_3                      -333.41329846  164.03467639 -2.03258 0.046184
DiscrimCauseSum            -499.22108100  235.47446285 -2.12006 0.037823
I(Age_3^2)                    3.32089986    1.62251771  2.04676 0.044730
Sex                         112.10807997   88.50744212  1.26665 0.209800
PovStat                     -31.60843544   89.63978508 -0.35262 0.725517
Age_3:DiscrimCauseSum        20.41935611    9.56381169  2.13506 0.036530
DiscrimCauseSum:I(Age_3^2)   -0.20062271    0.09436211 -2.12609 0.037299

Residual standard error: 351.2069 on 65 degrees of freedom
Multiple R-squared:  0.1176138, Adjusted R-squared:  0.02258762 
F-statistic: 1.237699 on 7 and 65 DF,  p-value: 0.2954593

plot of chunk regress

**************Regress Left_OrIFG_orbital_part_of_the_i on Discrim02a **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-772.28268 -245.08834  -20.45678  173.96408 1046.09502 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)            -52.0817835 2673.4894513 -0.01948  0.98452
Age_3                   36.8803467  107.5357351  0.34296  0.73274
Discrim02a             642.8312135 1407.1812511  0.45682  0.64932
I(Age_3^2)              -0.2850213    1.0494704 -0.27159  0.78680
Sex                    136.3710991   92.3000441  1.47748  0.14438
PovStat                 -6.3068492   91.7069209 -0.06877  0.94538
Age_3:Discrim02a       -22.0125448   57.1168549 -0.38539  0.70120
Discrim02a:I(Age_3^2)    0.1931550    0.5621650  0.34359  0.73226

Residual standard error: 360.4052 on 65 degrees of freedom
Multiple R-squared:  0.07078827,    Adjusted R-squared:  -0.02928069 
F-statistic: 0.7073949 on 7 and 65 DF,  p-value: 0.6657483

plot of chunk regress

**************Regress Left_OrIFG_orbital_part_of_the_i on Discrim02b **************
Call:
lm(formula = Left_OrIFG_orbital_part_of_the_i ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-768.01195 -261.15917  -28.15114  175.03627 1047.51970 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)           -183.7928810 2588.8512078 -0.07099  0.94362
Age_3                   43.0424763  104.4735600  0.41199  0.68170
Discrim02b             712.1014365 1291.3634006  0.55143  0.58323
I(Age_3^2)              -0.3517082    1.0246029 -0.34326  0.73251
Sex                    134.2634574   91.8998304  1.46098  0.14884
PovStat                 -4.6739768   91.6247577 -0.05101  0.95947
Age_3:Discrim02b       -25.4983739   52.3567187 -0.48701  0.62789
Discrim02b:I(Age_3^2)    0.2318632    0.5163981  0.44900  0.65492

Residual standard error: 360.5422 on 65 degrees of freedom
Multiple R-squared:  0.07008182,    Adjusted R-squared:  -0.03006321 
F-statistic: 0.6998033 on 7 and 65 DF,  p-value: 0.6720016

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on WillDiscComp **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * WillDiscComp + 
    I(Age_3^2) * WillDiscComp + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-775.1060 -134.7716    3.2975  149.6060  665.3135 

Coefficients:
                              Estimate     Std. Error  t value Pr(>|t|)
(Intercept)             -3062.32103247  1695.74944080 -1.80588 0.075567
Age_3                     174.77527521    69.10545594  2.52911 0.013871
WillDiscComp              287.41580699   115.79270512  2.48216 0.015652
I(Age_3^2)                 -1.77110381     0.68641839 -2.58021 0.012142
Sex                       -94.97601312    75.70417079 -1.25457 0.214128
PovStat                   -63.87213077    73.82245590 -0.86521 0.390104
Age_3:WillDiscComp        -12.19514989     4.86811821 -2.50511 0.014757
WillDiscComp:I(Age_3^2)     0.12578205     0.05013145  2.50904 0.014608

Residual standard error: 291.422 on 65 degrees of freedom
Multiple R-squared:  0.1276643, Adjusted R-squared:  0.03372046 
F-statistic: 1.358943 on 7 and 65 DF,  p-value: 0.2378235

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on RaceDiscComp **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * RaceDiscComp + 
    I(Age_3^2) * RaceDiscComp + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-791.8414 -155.2406   -4.6263  166.5474  609.8155 

Coefficients:
                              Estimate     Std. Error  t value  Pr(>|t|)
(Intercept)             -13154.1077211   6018.5531582 -2.18559 0.0324543
Age_3                      600.1959847    236.0302751  2.54288 0.0133843
RaceDiscComp              1949.4089570    888.5165309  2.19400 0.0318160
I(Age_3^2)                  -6.0641824      2.2704365 -2.67093 0.0095473
Sex                        -70.8985314     70.7842780 -1.00161 0.3202442
PovStat                   -101.6114941     72.2421112 -1.40654 0.1643267
Age_3:RaceDiscComp         -81.7271273     34.6594824 -2.35800 0.0213928
RaceDiscComp:I(Age_3^2)      0.8246788      0.3322206  2.48232 0.0156451

Residual standard error: 285.8204 on 65 degrees of freedom
Multiple R-squared:  0.1608772, Adjusted R-squared:  0.07051013 
F-statistic: 1.780264 on 7 and 65 DF,  p-value: 0.1063555

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on DiscrimCauseComp **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * DiscrimCauseComp + 
    I(Age_3^2) * DiscrimCauseComp + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-948.58951 -152.76540  -21.49643  177.70909  616.11670 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 -367.1601828 1830.0800362 -0.20063  0.84162
Age_3                         64.8980123   75.0812173  0.86437  0.39056
DiscrimCauseComp             221.2575265  446.3644818  0.49569  0.62179
I(Age_3^2)                    -0.6909653    0.7430315 -0.92993  0.35585
Sex                         -104.9058516   77.3064809 -1.35701  0.17947
PovStat                      -82.7114553   77.4645154 -1.06773  0.28959
Age_3:DiscrimCauseComp        -9.7868490   18.1392239 -0.53954  0.59136
DiscrimCauseComp:I(Age_3^2)    0.1069681    0.1790505  0.59742  0.55230

Residual standard error: 302.4171 on 65 degrees of freedom
Multiple R-squared:  0.060597,  Adjusted R-squared:  -0.04056948 
F-statistic: 0.598983 on 7 and 65 DF,  p-value: 0.7544808

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on DiscrimCauseSum **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * DiscrimCauseSum + 
    I(Age_3^2) * DiscrimCauseSum + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-951.08049 -153.64512  -36.70335  180.23406  601.62071 

Coefficients:
                                 Estimate     Std. Error  t value Pr(>|t|)
(Intercept)                -1957.41066230  3467.62518626 -0.56448  0.57437
Age_3                        133.57078847   141.52514533  0.94380  0.34877
DiscrimCauseSum              132.28358554   203.16166258  0.65112  0.51726
I(Age_3^2)                    -1.39135285     1.39986897 -0.99392  0.32395
Sex                          -84.94485794    76.36207712 -1.11240  0.27007
PovStat                      -80.89876520    77.33903520 -1.04603  0.29942
Age_3:DiscrimCauseSum         -5.82492974     8.25142506 -0.70593  0.48275
DiscrimCauseSum:I(Age_3^2)     0.06144662     0.08141334  0.75475  0.45313

Residual standard error: 303.0128 on 65 degrees of freedom
Multiple R-squared:  0.05689277,    Adjusted R-squared:  -0.04467262 
F-statistic: 0.560159 on 7 and 65 DF,  p-value: 0.7853476

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on Discrim02a **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * Discrim02a + 
    I(Age_3^2) * Discrim02a + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-981.92175 -128.48994  -18.37768  199.12767  622.55394 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           -3163.2258508  2204.5879741 -1.43484 0.156128
Age_3                   175.6819316    88.6751165  1.98119 0.051804
Discrim02a             2064.9470281  1160.3766988  1.77955 0.079825
I(Age_3^2)               -1.7473450     0.8654045 -2.01911 0.047604
Sex                     -69.0194891    76.1116028 -0.90682 0.367852
PovStat                 -58.0644459    75.6225071 -0.76782 0.445375
Age_3:Discrim02a        -85.1946825    47.0991690 -1.80884 0.075102
Discrim02a:I(Age_3^2)     0.8502541     0.4635673  1.83415 0.071209

Residual standard error: 297.194 on 65 degrees of freedom
Multiple R-squared:  0.09276646,    Adjusted R-squared:  -0.00493561 
F-statistic: 0.9494831 on 7 and 65 DF,  p-value: 0.4753308

plot of chunk regress

**************Regress Right_OrIFG_orbital_part_of_the_ on Discrim02b **************
Call:
lm(formula = Right_OrIFG_orbital_part_of_the_ ~ Age_3 * Discrim02b + 
    I(Age_3^2) * Discrim02b + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-971.99248 -140.31743  -21.54705  154.61801  615.45118 

Coefficients:
                           Estimate    Std. Error  t value Pr(>|t|)
(Intercept)           -2954.1941077  2105.1087397 -1.40335 0.165273
Age_3                   168.5948026    84.9520450  1.98459 0.051415
Discrim02b             1953.2601311  1050.0643578  1.86013 0.067392
I(Age_3^2)               -1.7149116     0.8331497 -2.05835 0.043570
Sex                     -87.3901145    74.7277926 -1.16945 0.246495
PovStat                 -60.3997698    74.5041189 -0.81069 0.420502
Age_3:Discrim02b        -80.8001286    42.5735499 -1.89790 0.062152
Discrim02b:I(Age_3^2)     0.8215307     0.4199060  1.95646 0.054709

Residual standard error: 293.1727 on 65 degrees of freedom
Multiple R-squared:  0.1171516, Adjusted R-squared:  0.02207566 
F-statistic:  1.23219 on 7 and 65 DF,  p-value: 0.2983262

plot of chunk regress


2016-12-22: /prj/hnd/git/dataMgr/Projects/Beatty/2016-12-21-Brain2/2016-12-22/2016-12-22-Brain2.Rmd