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 + Age_3 * 
    I(WillDiscComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-451.49198 -199.16965  -65.06703  179.64206  730.32047 

Coefficients:
                             Estimate    Std. Error  t value           Pr(>|t|)
(Intercept)             4050.37959346  464.16629257  8.72614 0.0000000000015065
Age_3                    -15.41077901    9.37272365 -1.64422           0.104960
WillDiscComp             -68.81109884   65.68535815 -1.04759           0.298709
I(WillDiscComp^2)          1.72700182    1.87715125  0.92001           0.360968
Sex                      144.99253280   70.67114003  2.05165           0.044237
PovStat                 -183.68901677   69.50936017 -2.64265           0.010296
Age_3:WillDiscComp         1.68085442    1.32546533  1.26812           0.209277
Age_3:I(WillDiscComp^2)   -0.03790956    0.03744292 -1.01246           0.315071

Residual standard error: 275.4018 on 65 degrees of freedom
Multiple R-squared:  0.2776081, Adjusted R-squared:  0.199812 
F-statistic: 3.568408 on 7 and 65 DF,  p-value: 0.002623266

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-549.73346 -168.82322  -34.35535  160.91697  712.38985 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             5253.87364541 5350.11847138  0.98201 0.329736
Age_3                    -16.71383928  100.11678619 -0.16694 0.867933
RaceDiscComp            -337.88964091 1409.86657566 -0.23966 0.811347
I(RaceDiscComp^2)         14.77316128   89.91267018  0.16431 0.870000
Sex                      184.45578060   70.26573811  2.62512 0.010787
PovStat                 -177.67907984   69.81406337 -2.54503 0.013310
Age_3:RaceDiscComp         1.29059105   26.16855940  0.04932 0.960817
Age_3:I(RaceDiscComp^2)    0.06298402    1.65671852  0.03802 0.969790

Residual standard error: 279.9792 on 65 degrees of freedom
Multiple R-squared:  0.2533953, Adjusted R-squared:  0.1729917 
F-statistic: 3.151542 on 7 and 65 DF,  p-value: 0.006258076

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-536.80843 -145.15365  -23.77983  127.05756  731.21763 

Coefficients:
                                Estimate   Std. Error  t value         Pr(>|t|)
(Intercept)                 3279.8260426  438.6516930  7.47706 0.00000000024782
Age_3                          1.8562961    9.5483817  0.19441        0.8464616
DiscrimCauseComp             314.9490640  213.7215969  1.47364        0.1454047
I(DiscrimCauseComp^2)        -38.0375789   23.3052471 -1.63215        0.1074844
Sex                          169.5458509   70.7165718  2.39754        0.0193879
PovStat                     -191.8017774   70.6345373 -2.71541        0.0084697
Age_3:DiscrimCauseComp        -5.8378046    4.4473393 -1.31265        0.1939165
Age_3:I(DiscrimCauseComp^2)    0.7335315    0.4567260  1.60606        0.1131075

Residual standard error: 278.3274 on 65 degrees of freedom
Multiple R-squared:  0.2621786, Adjusted R-squared:  0.1827209 
F-statistic: 3.299601 on 7 and 65 DF,  p-value: 0.004592436

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-517.99388 -172.33359  -19.20335  146.36015  710.00614 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                2465.24004114 1474.05178564  1.67242 0.099248
Age_3                        13.32149080   30.22744908  0.44071 0.660886
DiscrimCauseSum             147.59968514  155.61221016  0.94851 0.346383
I(DiscrimCauseSum^2)         -4.02199729    3.77749386 -1.06473 0.290939
Sex                         187.86796112   71.07387845  2.64328 0.010279
PovStat                    -189.63796204   72.00434077 -2.63370 0.010544
Age_3:DiscrimCauseSum        -2.36340063    3.12579449 -0.75610 0.452323
Age_3:I(DiscrimCauseSum^2)    0.06765096    0.07471072  0.90551 0.368542

Residual standard error: 284.707 on 65 degrees of freedom
Multiple R-squared:  0.2279677, Adjusted R-squared:  0.1448257 
F-statistic:  2.74191 on 7 and 65 DF,  p-value: 0.01475204

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-560.62359 -195.78789  -37.32413  166.35585  653.21038 

Coefficients:
                         Estimate  Std. Error  t value      Pr(>|t|)
(Intercept)           4645.747198  847.129500  5.48411 0.00000072972
Age_3                  -27.384647   16.640064 -1.64571      0.104652
Discrim02a            -880.417913  904.257903 -0.97364      0.333847
I(Discrim02a^2)        132.821995  195.720195  0.67863      0.499780
Sex                    175.141008   71.131283  2.46222      0.016468
PovStat               -166.691756   71.373612 -2.33548      0.022615
Age_3:Discrim02a        19.933445   17.488509  1.13980      0.258551
Age_3:I(Discrim02a^2)   -3.005073    3.766947 -0.79775      0.427922

Residual standard error: 279.0048 on 65 degrees of freedom
Multiple R-squared:  0.2585827, Adjusted R-squared:  0.1787378 
F-statistic: 3.238562 on 7 and 65 DF,  p-value: 0.005216999

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-531.71188 -192.24253  -38.92123  161.41815  689.66845 

Coefficients:
                         Estimate  Std. Error  t value     Pr(>|t|)
(Intercept)           4644.590604  871.073678  5.33203 0.0000013098
Age_3                  -24.716722   17.277231 -1.43060     0.157336
Discrim02b            -869.842756  901.004159 -0.96541     0.337915
I(Discrim02b^2)        136.601316  193.704166  0.70521     0.483202
Sex                    184.771906   71.357870  2.58937     0.011854
PovStat               -170.619656   72.781138 -2.34428     0.022130
Age_3:Discrim02b        17.058419   17.448643  0.97764     0.331879
Age_3:I(Discrim02b^2)   -2.581964    3.730408 -0.69214     0.491315

Residual standard error: 283.6993 on 65 degrees of freedom
Multiple R-squared:  0.2334232, Adjusted R-squared:  0.1508688 
F-statistic: 2.827507 on 7 and 65 DF,  p-value: 0.01233257

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-393.11222 -210.37699  -26.73425  138.20598  644.72600 

Coefficients:
                             Estimate    Std. Error  t value   Pr(>|t|)
(Intercept)             4135.09543232  445.97160529  9.27210 1.6477e-13
Age_3                    -10.67155259    9.00532564 -1.18503  0.2403214
WillDiscComp             -60.90494484   63.11058146 -0.96505  0.3380960
I(WillDiscComp^2)          1.78258154    1.80356947  0.98836  0.3266398
Sex                      154.89975344   67.90092747  2.28126  0.0258175
PovStat                 -199.55430346   66.78468781 -2.98802  0.0039588
Age_3:WillDiscComp         1.41141096    1.27350889  1.10829  0.2718228
Age_3:I(WillDiscComp^2)   -0.03602181    0.03597521 -1.00130  0.3203971

Residual standard error: 264.6065 on 65 degrees of freedom
Multiple R-squared:  0.3078081, Adjusted R-squared:  0.2332643 
F-statistic: 4.129227 on 7 and 65 DF,  p-value: 0.0008251923

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-452.69183 -213.56385  -16.76199  180.50148  593.14314 

Coefficients:
                            Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)             13529.411975  4953.922669  2.73105 0.0081180
Age_3                    -177.290778    92.702773 -1.91246 0.0602249
RaceDiscComp            -2502.492422  1305.460809 -1.91694 0.0596429
I(RaceDiscComp^2)         154.350283    83.254309  1.85396 0.0682829
Sex                       205.457627    65.062304  3.15786 0.0024108
PovStat                  -179.048165    64.644077 -2.76975 0.0073045
Age_3:RaceDiscComp         44.218741    24.230682  1.82491 0.0726106
Age_3:I(RaceDiscComp^2)    -2.667571     1.534032 -1.73893 0.0867819

Residual standard error: 259.2457 on 65 degrees of freedom
Multiple R-squared:  0.3355707, Adjusted R-squared:  0.2640167 
F-statistic: 4.689759 on 7 and 65 DF,  p-value: 0.0002652688

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-447.56390 -198.29651  -32.32668  145.52219  646.49657 

Coefficients:
                                Estimate   Std. Error  t value           Pr(>|t|)
(Intercept)                 3663.1687900  432.8932700  8.46206 0.0000000000044181
Age_3                         -0.4420412    9.4230348 -0.04691          0.9627282
DiscrimCauseComp             143.9986243  210.9159555  0.68273          0.4972037
I(DiscrimCauseComp^2)        -16.4853640   22.9993063 -0.71678          0.4760797
Sex                          195.5756133   69.7882363  2.80242          0.0066770
PovStat                     -201.5866506   69.7072788 -2.89190          0.0052029
Age_3:DiscrimCauseComp        -2.1903121    4.3889566 -0.49905          0.6194285
Age_3:I(DiscrimCauseComp^2)    0.2728353    0.4507303  0.60532          0.5470752

Residual standard error: 274.6737 on 65 degrees of freedom
Multiple R-squared:  0.2541359, Adjusted R-squared:  0.1738121 
F-statistic: 3.163892 on 7 and 65 DF,  p-value: 0.006098486

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-470.91797 -189.34124  -20.60637  159.25629  643.53315 

Coefficients:
                                Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)                2822.06842264 1425.15519777  1.98018 0.0519191
Age_3                        12.39393062   29.22475763  0.42409 0.6729004
DiscrimCauseSum             116.98652816  150.45031138  0.77758 0.4396401
I(DiscrimCauseSum^2)         -2.94268278    3.65218852 -0.80573 0.4233357
Sex                         202.06856209   68.71624748  2.94062 0.0045330
PovStat                    -199.63126202   69.61584492 -2.86761 0.0055701
Age_3:DiscrimCauseSum        -1.77433323    3.02210703 -0.58712 0.5591584
Age_3:I(DiscrimCauseSum^2)    0.04587509    0.07223245  0.63510 0.5275903

Residual standard error: 275.2628 on 65 degrees of freedom
Multiple R-squared:  0.2509329, Adjusted R-squared:  0.1702641 
F-statistic: 3.110657 on 7 and 65 DF,  p-value: 0.006816973

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-473.17525 -215.12421  -12.89963  159.89575  640.88213 

Coefficients:
                         Estimate  Std. Error  t value      Pr(>|t|)
(Intercept)           4821.170295  817.593599  5.89678 0.00000014562
Age_3                  -25.925668   16.059894 -1.61431     0.1113044
Discrim02a            -926.172255  872.730170 -1.06124     0.2925102
I(Discrim02a^2)        158.431771  188.896242  0.83872     0.4046982
Sex                    193.165309   68.651229  2.81372     0.0064716
PovStat               -185.515352   68.885109 -2.69311     0.0089952
Age_3:Discrim02a        21.966981   16.878757  1.30146     0.1976960
Age_3:I(Discrim02a^2)   -3.810010    3.635609 -1.04797     0.2985336

Residual standard error: 269.2771 on 65 degrees of freedom
Multiple R-squared:  0.2831563, Adjusted R-squared:  0.2059578 
F-statistic: 3.667897 on 7 and 65 DF,  p-value: 0.002133914

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-396.19875 -216.82295  -48.67873  183.35714  687.81149 

Coefficients:
                          Estimate   Std. Error  t value       Pr(>|t|)
(Intercept)            5238.003154   831.603777  6.29868 0.000000029474
Age_3                   -30.906132    16.494369 -1.87374      0.0654629
Discrim02b            -1333.728503   860.178054 -1.55053      0.1258710
I(Discrim02b^2)         242.151784   184.927085  1.30944      0.1949936
Sex                     205.038351    68.124518  3.00976      0.0037188
PovStat                -183.420338    69.483295 -2.63978      0.0103752
Age_3:Discrim02b         26.648786    16.658014  1.59976      0.1145022
Age_3:I(Discrim02b^2)    -4.825844     3.561377 -1.35505      0.1800923

Residual standard error: 270.8444 on 65 degrees of freedom
Multiple R-squared:  0.2747876, Adjusted R-squared:  0.1966878 
F-statistic: 3.518417 on 7 and 65 DF,  p-value: 0.002910549

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-279.761124  -47.355016   -4.693408   75.362641  190.694293 

Coefficients:
                              Estimate     Std. Error  t value         Pr(>|t|)
(Intercept)             1300.366489523  169.590993079  7.66766 0.00000000011367
Age_3                     -5.454660502    3.424482858 -1.59284        0.1160474
WillDiscComp             -21.350431816   23.999254787 -0.88963        0.3769459
I(WillDiscComp^2)          0.334101816    0.685848906  0.48714        0.6278006
Sex                       70.291780295   25.820894389  2.72228        0.0083135
PovStat                  -60.984844644   25.396418501 -2.40132        0.0192055
Age_3:WillDiscComp         0.486831286    0.484281139  1.00527        0.3184966
Age_3:I(WillDiscComp^2)   -0.006449583    0.013680402 -0.47145        0.6389003

Residual standard error: 100.6227 on 65 degrees of freedom
Multiple R-squared:  0.3077189, Adjusted R-squared:  0.2331655 
F-statistic: 4.127499 on 7 and 65 DF,  p-value: 0.000828114

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-302.60390  -45.79328    5.34490   62.05555  177.81719 

Coefficients:
                            Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)             1336.2366066 1893.0908549  0.70585 0.4828042
Age_3                      6.5459007   35.4254160  0.18478 0.8539771
RaceDiscComp              -9.7428465  498.8684896 -0.01953 0.9844782
I(RaceDiscComp^2)         -2.6854450   31.8147822 -0.08441 0.9329909
Sex                       83.5073598   24.8628936  3.35871 0.0013133
PovStat                  -56.2893889   24.7030726 -2.27864 0.0259821
Age_3:RaceDiscComp        -2.9912753    9.2595072 -0.32305 0.7476950
Age_3:I(RaceDiscComp^2)    0.2547344    0.5862148  0.43454 0.6653348

Residual standard error: 99.0681 on 65 degrees of freedom
Multiple R-squared:  0.3289451, Adjusted R-squared:  0.2566776 
F-statistic: 4.551773 on 7 and 65 DF,  p-value: 0.0003499954

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-244.591795  -47.461194   -4.638883   74.389868  202.934978 

Coefficients:
                               Estimate  Std. Error  t value       Pr(>|t|)
(Intercept)                 963.1368705 158.5698635  6.07390 0.000000072235
Age_3                         2.1297198   3.4516807  0.61701      0.5393838
DiscrimCauseComp            100.5297159  77.2590303  1.30120      0.1977824
I(DiscrimCauseComp^2)        -9.2452360   8.4247021 -1.09740      0.2765170
Sex                          75.7368316  25.5636016  2.96268      0.0042568
PovStat                     -65.8383161  25.5339467 -2.57846      0.0121978
Age_3:DiscrimCauseComp       -2.2237272   1.6076855 -1.38319      0.1713408
Age_3:I(DiscrimCauseComp^2)   0.2230144   0.1651036  1.35075      0.1814579

Residual standard error: 100.6136 on 65 degrees of freedom
Multiple R-squared:  0.3078437, Adjusted R-squared:  0.2333038 
F-statistic: 4.129919 on 7 and 65 DF,  p-value: 0.0008240264

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-253.496709  -36.758948   -1.183167   73.496518  186.208266 

Coefficients:
                               Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)                868.39482829 540.95237946  1.60531 0.1132742
Age_3                        2.37725829  11.09296883  0.21430 0.8309815
DiscrimCauseSum             33.00174351  57.10708143  0.57789 0.5653335
I(DiscrimCauseSum^2)        -0.88011270   1.38627714 -0.63487 0.5277385
Sex                         84.93009520  26.08292602  3.25616 0.0017958
PovStat                    -61.10477088  26.42439014 -2.31244 0.0239305
Age_3:DiscrimCauseSum       -0.53882104   1.14711436 -0.46972 0.6401280
Age_3:I(DiscrimCauseSum^2)   0.01582396   0.02741759  0.57715 0.5658342

Residual standard error: 104.4827 on 65 degrees of freedom
Multiple R-squared:  0.2535868, Adjusted R-squared:  0.1732039 
F-statistic: 3.154734 on 7 and 65 DF,  p-value: 0.006216439

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-332.88938  -40.27865    6.26871   61.52410  175.62322 

Coefficients:
                         Estimate  Std. Error  t value       Pr(>|t|)
(Intercept)           1701.559897  279.943184  6.07823 0.000000071001
Age_3                  -12.913008    5.498891 -2.34829      0.0219125
Discrim02a            -470.600973  298.821888 -1.57485      0.1201452
I(Discrim02a^2)         64.128889   64.677874  0.99151      0.3251124
Sex                     73.660591   23.506108  3.13368      0.0025898
PovStat                -46.384431   23.586189 -1.96659      0.0535025
Age_3:Discrim02a         8.887861    5.779269  1.53789      0.1289304
Age_3:I(Discrim02a^2)   -1.051265    1.244829 -0.84451      0.4014844

Residual standard error: 92.20019 on 65 degrees of freedom
Multiple R-squared:  0.4187619, Adjusted R-squared:  0.356167 
F-statistic: 6.690034 on 7 and 65 DF,  p-value: 0.00000570957

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-320.71131  -46.47876    8.67576   61.80343  174.17624 

Coefficients:
                          Estimate   Std. Error  t value    Pr(>|t|)
(Intercept)           1375.5393634  301.5811004  4.56109 0.000023115
Age_3                   -4.8500019    5.9816826 -0.81081   0.4204343
Discrim02b            -145.3712185  311.9435617 -0.46602   0.6427608
I(Discrim02b^2)          2.6963079   67.0638054  0.04021   0.9680528
Sex                     78.5455169   24.7053556  3.17929   0.0022619
PovStat                -51.2197030   25.1981160 -2.03268   0.0461738
Age_3:Discrim02b         1.0465913    6.0410284  0.17325   0.8629955
Age_3:I(Discrim02b^2)    0.3951002    1.2915332  0.30592   0.7606465

Residual standard error: 98.2217 on 65 degrees of freedom
Multiple R-squared:  0.3403625, Adjusted R-squared:  0.2693246 
F-statistic: 4.791281 on 7 and 65 DF,  p-value: 0.0002165397

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-229.50613  -59.70721  -20.96022   66.23668  230.85606 

Coefficients:
                             Estimate    Std. Error  t value      Pr(>|t|)
(Intercept)             1002.30012440  183.73381672  5.45518 0.00000081594
Age_3                      0.53746038    3.71006322  0.14487     0.8852653
WillDiscComp              22.98892181   26.00064190  0.88417     0.3798646
I(WillDiscComp^2)         -0.68093686    0.74304440 -0.91641     0.3628370
Sex                       84.90369704   27.97419480  3.03507     0.0034563
PovStat                  -49.78745118   27.51432029 -1.80951     0.0749956
Age_3:WillDiscComp        -0.44625255    0.52466714 -0.85054     0.3981450
Age_3:I(WillDiscComp^2)    0.01491563    0.01482126  1.00637     0.3179707

Residual standard error: 109.014 on 65 degrees of freedom
Multiple R-squared:  0.2775946, Adjusted R-squared:  0.1997971 
F-statistic: 3.568169 on 7 and 65 DF,  p-value: 0.002624569

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-253.97651  -63.39703  -12.83058   62.64999  250.35445 

Coefficients:
                            Estimate   Std. Error  t value   Pr(>|t|)
(Intercept)             2414.5598560 2059.3404931  1.17249 0.24527894
Age_3                    -16.2511913   38.5364461 -0.42171 0.67462840
RaceDiscComp            -310.8977399  542.6786986 -0.57289 0.56869259
I(RaceDiscComp^2)         18.0599071   34.6087294  0.52183 0.60356176
Sex                       93.3895280   27.0463319  3.45295 0.00098035
PovStat                  -40.1731996   26.8724755 -1.49496 0.13976498
Age_3:RaceDiscComp         3.1456998   10.0726693  0.31230 0.75581183
Age_3:I(RaceDiscComp^2)   -0.1582888    0.6376957 -0.24822 0.80474672

Residual standard error: 107.7682 on 65 degrees of freedom
Multiple R-squared:  0.294012,  Adjusted R-squared:  0.2179825 
F-statistic: 3.867079 on 7 and 65 DF,  p-value: 0.001413653

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-219.148857  -67.502703   -6.826279   61.359079  210.895022 

Coefficients:
                                Estimate   Std. Error  t value       Pr(>|t|)
(Intercept)                 1028.6909359  171.4200963  6.00099 0.000000096456
Age_3                         -0.2816859    3.7313990 -0.07549       0.940056
DiscrimCauseComp              79.7512071   83.5199711  0.95488       0.343178
I(DiscrimCauseComp^2)         -7.0101932    9.1074257 -0.76972       0.444253
Sex                           86.3955495   27.6352326  3.12628       0.002647
PovStat                      -52.0437928   27.6031744 -1.88543       0.063843
Age_3:DiscrimCauseComp        -1.3991370    1.7379696 -0.80504       0.423731
Age_3:I(DiscrimCauseComp^2)    0.1397271    0.1784833  0.78286       0.436553

Residual standard error: 108.7672 on 65 degrees of freedom
Multiple R-squared:  0.2808621, Adjusted R-squared:  0.2034165 
F-statistic: 3.626572 on 7 and 65 DF,  p-value: 0.002324852

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

Residuals:
       Min         1Q     Median         3Q        Max 
-217.47959  -69.53645  -17.30691   58.85558  235.16798 

Coefficients:
                               Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)                398.35327355 559.72277177  0.71170 0.4791987
Age_3                       11.35596359  11.47788141  0.98938 0.3261470
DiscrimCauseSum             88.87075748  59.08862798  1.50402 0.1374187
I(DiscrimCauseSum^2)        -2.25596014   1.43437928 -1.57278 0.1206256
Sex                         90.35729891  26.98797195  3.34806 0.0013571
PovStat                    -53.96114231  27.34128447 -1.97361 0.0526794
Age_3:DiscrimCauseSum       -1.65121299   1.18691784 -1.39118 0.1689154
Age_3:I(DiscrimCauseSum^2)   0.04376810   0.02836894  1.54282 0.1277299

Residual standard error: 108.1081 on 65 degrees of freedom
Multiple R-squared:  0.2895508, Adjusted R-squared:  0.2130409 
F-statistic: 3.784487 on 7 and 65 DF,  p-value: 0.001676409

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

Residuals:
       Min         1Q     Median         3Q        Max 
-266.99592  -56.29289  -11.88914   66.74228  238.97916 

Coefficients:
                          Estimate   Std. Error  t value    Pr(>|t|)
(Intercept)           1452.5305485  325.5212924  4.46217 0.000032962
Age_3                   -7.6838939    6.3941759 -1.20170   0.2338391
Discrim02a            -238.4801437  347.4736756 -0.68633   0.4949487
I(Discrim02a^2)         29.2325212   75.2082071  0.38869   0.6987773
Sex                     88.3502620   27.3331847  3.23234   0.0019295
PovStat                -35.2529998   27.4263030 -1.28537   0.2032233
Age_3:Discrim02a         3.8052853    6.7202028  0.56625   0.5731767
Age_3:I(Discrim02a^2)   -0.2865579    1.4475018 -0.19797   0.8436886

Residual standard error: 107.2115 on 65 degrees of freedom
Multiple R-squared:  0.3012868, Adjusted R-squared:  0.2260407 
F-statistic: 4.004022 on 7 and 65 DF,  p-value: 0.001066539

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

Residuals:
        Min          1Q      Median          3Q         Max 
-244.144501  -59.103334   -7.340773   60.202750  251.861195 

Coefficients:
                        Estimate Std. Error  t value   Pr(>|t|)
(Intercept)           988.455023 331.945383  2.97776 0.00407703
Age_3                   3.484966   6.583940  0.52931 0.59839139
Discrim02b            191.205566 343.351174  0.55688 0.57952156
I(Discrim02b^2)       -49.794418  73.816033 -0.67457 0.50233841
Sex                    95.078712  27.192781  3.49647 0.00085518
PovStat               -37.465137  27.735154 -1.35082 0.18143767
Age_3:Discrim02b       -6.379751   6.649261 -0.95947 0.34087868
Age_3:I(Discrim02b^2)   1.549603   1.421569  1.09006 0.27970936

Residual standard error: 108.111 on 65 degrees of freedom
Multiple R-squared:  0.2895128, Adjusted R-squared:  0.2129988 
F-statistic: 3.783789 on 7 and 65 DF,  p-value: 0.001678829

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1560.07813  -345.47779    -2.94904   320.99065  1651.64817 

Coefficients:
                             Estimate    Std. Error  t value     Pr(>|t|)
(Intercept)             4975.62085522 1035.06123125  4.80708 0.0000094287
Age_3                    -18.78146716   20.90057602 -0.89861     0.372177
WillDiscComp               7.06698924  146.47415973  0.04825     0.961667
I(WillDiscComp^2)          0.09131289    4.18592757  0.02181     0.982663
Sex                      105.57207285  157.59213537  0.66991     0.505290
PovStat                  266.51921821  155.00144038  1.71946     0.090289
Age_3:WillDiscComp        -0.39350408    2.95570315 -0.13313     0.894499
Age_3:I(WillDiscComp^2)    0.01073747    0.08349532  0.12860     0.898071

Residual standard error: 614.1285 on 65 degrees of freedom
Multiple R-squared:  0.2319402, Adjusted R-squared:  0.1492261 
F-statistic: 2.804118 on 7 and 65 DF,  p-value: 0.0129514

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1442.56130  -366.94389   -87.74432   421.14801  1367.50562 

Coefficients:
                            Estimate   Std. Error  t value Pr(>|t|)
(Intercept)             16451.156676 11386.558080  1.44479 0.153321
Age_3                    -250.279700   213.076702 -1.17460 0.244440
RaceDiscComp            -2592.332502  3000.592928 -0.86394 0.390798
I(RaceDiscComp^2)         135.156392   191.359471  0.70630 0.482528
Sex                       165.221182   149.545269  1.10482 0.273309
PovStat                   297.457629   148.583978  2.00195 0.049467
Age_3:RaceDiscComp         51.074761    55.694060  0.91706 0.362502
Age_3:I(RaceDiscComp^2)    -2.582927     3.525963 -0.73255 0.466469

Residual standard error: 595.8745 on 65 degrees of freedom
Multiple R-squared:  0.2769204, Adjusted R-squared:  0.1990503 
F-statistic: 3.556183 on 7 and 65 DF,  p-value: 0.002690758

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1723.26338  -357.17106   -21.30336   375.40516  1503.42407 

Coefficients:
                                Estimate   Std. Error  t value       Pr(>|t|)
(Intercept)                 5787.4725244  964.3500066  6.00142 0.000000096292
Age_3                        -41.5700537   20.9915568 -1.98032       0.051903
DiscrimCauseComp            -124.3846654  469.8543893 -0.26473       0.792055
I(DiscrimCauseComp^2)         -1.9069095   51.2352183 -0.03722       0.970425
Sex                          126.1400929  155.4662334  0.81137       0.420116
PovStat                      267.2343515  155.2858855  1.72092       0.090023
Age_3:DiscrimCauseComp         5.2269817    9.7772144  0.53461       0.594745
Age_3:I(DiscrimCauseComp^2)   -0.1908663    1.0040854 -0.19009       0.849831

Residual standard error: 611.8865 on 65 degrees of freedom
Multiple R-squared:  0.2375379, Adjusted R-squared:  0.1554266 
F-statistic: 2.892877 on 7 and 65 DF,  p-value: 0.01075504

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1583.62463  -337.69632   -45.28603   423.85670  1374.19824 

Coefficients:
                               Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                3462.1063542 3084.4429035  1.12244  0.26580
Age_3                        12.5234438   63.2507228  0.19800  0.84367
DiscrimCauseSum             277.6528297  325.6174457  0.85270  0.39696
I(DiscrimCauseSum^2)         -8.9876424    7.9043791 -1.13705  0.25969
Sex                         109.4428132  148.7215864  0.73589  0.46444
PovStat                     211.5797791  150.6685722  1.40427  0.16500
Age_3:DiscrimCauseSum        -5.8756783    6.5407028 -0.89833  0.37233
Age_3:I(DiscrimCauseSum^2)    0.1935929    0.1563317  1.23835  0.22004

Residual standard error: 595.7474 on 65 degrees of freedom
Multiple R-squared:  0.277229,  Adjusted R-squared:  0.1993921 
F-statistic: 3.561666 on 7 and 65 DF,  p-value: 0.002660273

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1355.35411  -324.03993   -38.02574   375.37724  1550.59871 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)           5829.4808152 1827.1262574  3.19052 0.0021874
Age_3                  -44.6820131   35.8900231 -1.24497 0.2176125
Discrim02a            -141.6096098 1950.3433153 -0.07261 0.9423414
I(Discrim02a^2)        -92.8101116  422.1379470 -0.21986 0.8266713
Sex                     77.7507873  153.4190871  0.50679 0.6140193
PovStat                267.5078181  153.9417531  1.73772 0.0869959
Age_3:Discrim02a        10.6460795   37.7199873  0.28224 0.7786564
Age_3:I(Discrim02a^2)    0.5239888    8.1247174  0.06449 0.9487755

Residual standard error: 601.77 on 65 degrees of freedom
Multiple R-squared:  0.2625417, Adjusted R-squared:  0.1831231 
F-statistic: 3.305797 on 7 and 65 DF,  p-value: 0.004533403

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1359.31840  -375.22396   -55.87905   431.62535  1579.02201 

Coefficients:
                          Estimate   Std. Error  t value   Pr(>|t|)
(Intercept)            6915.612963  1846.034179  3.74620 0.00038345
Age_3                   -64.331378    36.614995 -1.75697 0.08363249
Discrim02b            -1018.277524  1909.464738 -0.53328 0.59565923
I(Discrim02b^2)          49.710150   410.510064  0.12109 0.90399045
Sex                     120.819218   151.226091  0.79893 0.42724011
PovStat                 244.090625   154.242369  1.58251 0.11838641
Age_3:Discrim02b         27.109370    36.978262  0.73312 0.46612324
Age_3:I(Discrim02b^2)    -2.428025     7.905716 -0.30712 0.75973180

Residual standard error: 601.2334 on 65 degrees of freedom
Multiple R-squared:  0.2638563, Adjusted R-squared:  0.1845792 
F-statistic: 3.328282 on 7 and 65 DF,  p-value: 0.004325525

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1889.80129  -403.54626   -39.94921   340.32690  2033.60426 

Coefficients:
                             Estimate    Std. Error  t value   Pr(>|t|)
(Intercept)             4699.06870827 1137.68348947  4.13038 0.00010552
Age_3                    -28.11854053   22.97278610 -1.22399 0.22537285
WillDiscComp              98.54393156  160.99649772  0.61209 0.54261518
I(WillDiscComp^2)         -3.62152164    4.60094586 -0.78713 0.43406914
Sex                       36.07764632  173.21677700  0.20828 0.83566136
PovStat                 -262.18390025  170.36922478 -1.53892 0.12867910
Age_3:WillDiscComp        -1.35221534    3.24874951 -0.41623 0.67861549
Age_3:I(WillDiscComp^2)    0.06859009    0.09177355  0.74738 0.45752702

Residual standard error: 675.017 on 65 degrees of freedom
Multiple R-squared:  0.2664261, Adjusted R-squared:  0.1874258 
F-statistic: 3.372471 on 7 and 65 DF,  p-value: 0.003944549

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-1997.9380  -349.4243  -110.6939   418.8860  2011.7783 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)              7469.1366162 13186.9970343  0.56640  0.57307
Age_3                     -74.1692722   246.7683229 -0.30056  0.76471
RaceDiscComp             -119.0963329  3475.0457306 -0.03427  0.97277
I(RaceDiscComp^2)         -29.0644848   221.6171700 -0.13115  0.89606
Sex                       161.3496096   173.1913200  0.93163  0.35498
PovStat                  -200.5232014   172.0780300 -1.16530  0.24815
Age_3:RaceDiscComp          0.9747009    64.5003876  0.01511  0.98799
Age_3:I(RaceDiscComp^2)     0.6917578     4.0834876  0.16940  0.86601

Residual standard error: 690.094 on 65 degrees of freedom
Multiple R-squared:  0.2332902, Adjusted R-squared:  0.1507214 
F-statistic: 2.825405 on 7 and 65 DF,  p-value: 0.01238695

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-2108.7785  -455.8519  -118.1887   556.9762  1994.8104 

Coefficients:
                               Estimate  Std. Error  t value    Pr(>|t|)
(Intercept)                 4844.610917 1110.290103  4.36337 0.000046815
Age_3                        -27.204806   24.168318 -1.12564     0.26446
DiscrimCauseComp             423.198149  540.959895  0.78231     0.43687
I(DiscrimCauseComp^2)        -59.636056   58.988910 -1.01097     0.31578
Sex                          137.472776  178.993746  0.76803     0.44525
PovStat                     -203.434482  178.786105 -1.13787     0.25935
Age_3:DiscrimCauseComp        -7.498379   11.256851 -0.66612     0.50769
Age_3:I(DiscrimCauseComp^2)    1.102352    1.156039  0.95356     0.34384

Residual standard error: 704.4865 on 65 degrees of freedom
Multiple R-squared:  0.200976,  Adjusted R-squared:  0.1149272 
F-statistic: 2.335606 on 7 and 65 DF,  p-value: 0.03439474

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-2065.44775  -417.53999   -76.18593   530.10234  1932.24028 

Coefficients:
                               Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                -375.9690840 3600.1578530 -0.10443 0.917149
Age_3                        76.9629454   73.8261635  1.04249 0.301047
DiscrimCauseSum             649.1956099  380.0602705  1.70814 0.092383
I(DiscrimCauseSum^2)        -16.9423606    9.2259813 -1.83637 0.070876
Sex                         178.3533675  173.5876474  1.02745 0.308015
PovStat                    -220.2541082  175.8601668 -1.25244 0.214898
Age_3:DiscrimCauseSum       -12.6256497    7.6343000 -1.65381 0.102989
Age_3:I(DiscrimCauseSum^2)    0.3276645    0.1824701  1.79572 0.077188

Residual standard error: 695.3556 on 65 degrees of freedom
Multiple R-squared:  0.2215542, Adjusted R-squared:  0.1377216 
F-statistic: 2.642816 on 7 and 65 DF,  p-value: 0.01814787

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1816.51245  -393.37441   -83.77839   410.19823  2165.41500 

Coefficients:
                           Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)           5931.76657556 2086.96558377  2.84229 0.0059781
Age_3                  -58.91768923   40.99401604 -1.43723 0.1554502
Discrim02a            -158.28780329 2227.70558908 -0.07105 0.9435728
I(Discrim02a^2)       -110.33158550  482.17103957 -0.22882 0.8197253
Sex                     81.37234577  175.23712632  0.46436 0.6439446
PovStat               -217.08368203  175.83412160 -1.23459 0.2214264
Age_3:Discrim02a        14.80150982   43.08422308  0.34355 0.7322948
Age_3:I(Discrim02a^2)    0.03398652    9.28014993  0.00366 0.9970891

Residual standard error: 687.3489 on 65 degrees of freedom
Multiple R-squared:  0.2393779, Adjusted R-squared:  0.1574648 
F-statistic: 2.922338 on 7 and 65 DF,  p-value: 0.0101116

plot of chunk regress

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

Residuals:
        Min          1Q      Median          3Q         Max 
-1922.61884  -421.53159   -81.00393   551.79193  1948.82275 

Coefficients:
                          Estimate   Std. Error  t value  Pr(>|t|)
(Intercept)           6998.4665088 2110.9354330  3.31534 0.0015002
Age_3                  -71.0732519   41.8691548 -1.69751 0.0943840
Discrim02b            -934.8874596 2183.4681169 -0.42817 0.6699455
I(Discrim02b^2)        -12.7538943  469.4172243 -0.02717 0.9784077
Sex                    138.1690344  172.9266540  0.79900 0.4271983
PovStat               -238.0064578  176.3757605 -1.34943 0.1818810
Age_3:Discrim02b        22.4217453   42.2845494  0.53026 0.5977395
Age_3:I(Discrim02b^2)   -0.7302772    9.0401659 -0.08078 0.9358640

Residual standard error: 687.5088 on 65 degrees of freedom
Multiple R-squared:  0.2390238, Adjusted R-squared:  0.1570725 
F-statistic: 2.916657 on 7 and 65 DF,  p-value: 0.0102326

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-658.12455 -235.24391  -36.53911  154.87269  776.85699 

Coefficients:
                             Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)             2077.93914386  562.42592941  3.69460 0.0004537
Age_3                     -8.91024010   11.35684106 -0.78457 0.4355557
WillDiscComp             -79.36144479   79.59033044 -0.99712 0.3224018
I(WillDiscComp^2)          3.05906994    2.27452650  1.34493 0.1833232
Sex                      157.10182972   85.63155544  1.83463 0.0711381
PovStat                   71.96042449   84.22383772  0.85439 0.3960242
Age_3:WillDiscComp         1.55658112    1.60605386  0.96920 0.3360400
Age_3:I(WillDiscComp^2)   -0.05999162    0.04536923 -1.32230 0.1907033

Residual standard error: 333.7018 on 65 degrees of freedom
Multiple R-squared:  0.1025231, Adjusted R-squared:  0.005871767 
F-statistic: 1.060752 on 7 and 65 DF,  p-value: 0.3987355

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-697.50553 -236.87884    4.56163  189.21423  772.72178 

Coefficients:
                            Estimate   Std. Error  t value Pr(>|t|)
(Intercept)              7635.798475  6404.149481  1.19232 0.237470
Age_3                    -126.211038   119.840872 -1.05316 0.296169
RaceDiscComp            -1441.553987  1687.625489 -0.85419 0.396137
I(RaceDiscComp^2)          83.728652   107.626435  0.77796 0.439417
Sex                       187.939633    84.108846  2.23448 0.028896
PovStat                    58.460392    83.568186  0.69955 0.486702
Age_3:RaceDiscComp         30.629220    31.324048  0.97782 0.331790
Age_3:I(RaceDiscComp^2)    -1.799386     1.983110 -0.90736 0.367570

Residual standard error: 335.1381 on 65 degrees of freedom
Multiple R-squared:  0.0947808, Adjusted R-squared:  -0.002704348 
F-statistic: 0.9722589 on 7 and 65 DF,  p-value: 0.4589617

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-564.13318 -262.97341   -7.51314  180.74226  774.30424 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 1376.4253884  532.7694951  2.58353 0.012037
Age_3                          6.2871700   11.5970976  0.54213 0.589581
DiscrimCauseComp             249.0479530  259.5780412  0.95943 0.340896
I(DiscrimCauseComp^2)        -24.9438941   28.3056579 -0.88123 0.381438
Sex                          161.9364856   85.8896315  1.88540 0.063846
PovStat                       51.4021518   85.7899956  0.59916 0.551147
Age_3:DiscrimCauseComp        -5.1769331    5.4015674 -0.95841 0.341406
Age_3:I(DiscrimCauseComp^2)    0.5027433    0.5547219  0.90630 0.368126

Residual standard error: 338.0458 on 65 degrees of freedom
Multiple R-squared:  0.0790051, Adjusted R-squared:  -0.02017896 
F-statistic: 0.7965504 on 7 and 65 DF,  p-value: 0.5929669

plot of chunk regress

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

Residuals:
      Min        1Q    Median        3Q       Max 
-576.7635 -240.6030   25.1113  164.2589  792.4666 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                -719.76738124 1718.11511622 -0.41893 0.676650
Age_3                        48.35562601   35.23230167  1.37248 0.174632
DiscrimCauseSum             289.42392976  181.37740692  1.59570 0.115407
I(DiscrimCauseSum^2)         -7.44187162    4.40294525 -1.69020 0.095780
Sex                         173.91277404   82.84180117  2.09934 0.039675
PovStat                      47.21218111   83.92632302  0.56254 0.575681
Age_3:DiscrimCauseSum        -5.75274676    3.64334199 -1.57898 0.119196
Age_3:I(DiscrimCauseSum^2)    0.14459791    0.08708081  1.66050 0.101630

Residual standard error: 331.8468 on 65 degrees of freedom
Multiple R-squared:  0.1124733, Adjusted R-squared:  0.0168935 
F-statistic: 1.176748 on 7 and 65 DF,  p-value: 0.3284158

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-658.92831 -241.02590   -4.92861  171.76366  752.78791 

Coefficients:
                         Estimate  Std. Error  t value Pr(>|t|)
(Intercept)           2364.622619  997.237562  2.37117 0.020705
Age_3                  -21.618820   19.588618 -1.10364 0.273818
Discrim02a            -487.294306 1064.488896 -0.45777 0.648642
I(Discrim02a^2)         81.373129  230.401055  0.35318 0.725096
Sex                    140.926215   83.735470  1.68299 0.097174
PovStat                 44.252175   84.020739  0.52668 0.600208
Age_3:Discrim02a        17.314776   20.587405  0.84104 0.403410
Age_3:I(Discrim02a^2)   -3.155257    4.434435 -0.71154 0.479299

Residual standard error: 328.4434 on 65 degrees of freedom
Multiple R-squared:  0.1305848, Adjusted R-squared:  0.03695542 
F-statistic: 1.394699 on 7 and 65 DF,  p-value: 0.222745

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-648.51308 -247.03823   11.97598  181.56104  768.59691 

Coefficients:
                        Estimate Std. Error  t value Pr(>|t|)
(Intercept)           2569.03090 1024.16084  2.50843 0.014631
Age_3                  -22.47017   20.31362 -1.10616 0.272733
Discrim02b            -813.06545 1059.35147 -0.76751 0.445556
I(Discrim02b^2)        178.34597  227.74678  0.78309 0.436419
Sex                    170.82603   83.89869  2.03610 0.045819
PovStat                 47.94646   85.57209  0.56030 0.577198
Age_3:Discrim02b        20.54356   20.51516  1.00138 0.320354
Age_3:I(Discrim02b^2)   -4.50239    4.38601 -1.02653 0.308445

Residual standard error: 333.5581 on 65 degrees of freedom
Multiple R-squared:  0.103296,  Adjusted R-squared:  0.006727828 
F-statistic: 1.069669 on 7 and 65 DF,  p-value: 0.3929768

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-799.72621 -229.94444    4.66225  134.56896 1093.15942 

Coefficients:
                             Estimate    Std. Error  t value    Pr(>|t|)
(Intercept)             2618.63702844  599.03227654  4.37145 0.000045498
Age_3                    -20.65452455   12.09601834 -1.70755    0.092493
WillDiscComp            -151.16062914   84.77058816 -1.78317    0.079227
I(WillDiscComp^2)          5.62950014    2.42256752  2.32377    0.023275
Sex                       25.33932503   91.20501548  0.27783    0.782026
PovStat                  -78.42262515   89.70567431 -0.87422    0.385216
Age_3:WillDiscComp         3.09807530    1.71058632  1.81112    0.074743
Age_3:I(WillDiscComp^2)   -0.10930425    0.04832216 -2.26199    0.027049

Residual standard error: 355.4213 on 65 degrees of freedom
Multiple R-squared:  0.1976923, Adjusted R-squared:  0.1112899 
F-statistic: 2.288042 on 7 and 65 DF,  p-value: 0.03795032

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-681.46507 -244.41132  -34.06089  169.90901 1165.57895 

Coefficients:
                            Estimate   Std. Error  t value Pr(>|t|)
(Intercept)             1862.9069705 7097.3971089  0.26248  0.79378
Age_3                    -31.5735232  132.8136176 -0.23773  0.81284
RaceDiscComp             205.9077105 1870.3105383  0.11009  0.91267
I(RaceDiscComp^2)        -23.6817547  119.2769709 -0.19854  0.84324
Sex                       68.6593814   93.2136081  0.73658  0.46403
PovStat                 -105.6328988   92.6144223 -1.14057  0.25824
Age_3:RaceDiscComp         2.4688216   34.7148682  0.07112  0.94352
Age_3:I(RaceDiscComp^2)    0.1152445    2.1977811  0.05244  0.95834

Residual standard error: 371.4167 on 65 degrees of freedom
Multiple R-squared:  0.123853,  Adjusted R-squared:  0.0294987 
F-statistic: 1.312638 on 7 and 65 DF,  p-value: 0.2586243

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-729.49152 -250.52861  -27.02382  126.00178 1262.31036 

Coefficients:
                                   Estimate      Std. Error  t value   Pr(>|t|)
(Intercept)                 2075.8359253806  589.6307480965  3.52057 0.00079254
Age_3                        -11.4371401898   12.8348289356 -0.89110 0.37616122
DiscrimCauseComp              72.4477361143  287.2822037622  0.25218 0.80169520
I(DiscrimCauseComp^2)         -6.4089440799   31.3266551154 -0.20458 0.83853613
Sex                           52.0417890782   95.0564327081  0.54748 0.58592193
PovStat                     -127.1390615028   94.9461628964 -1.33906 0.18521368
Age_3:DiscrimCauseComp         0.2652247630    5.9780642070  0.04437 0.96474842
Age_3:I(DiscrimCauseComp^2)    0.0006960589    0.6139260832  0.00113 0.99909884

Residual standard error: 374.1247 on 65 degrees of freedom
Multiple R-squared:  0.1110308, Adjusted R-squared:  0.01529568 
F-statistic: 1.159771 on 7 and 65 DF,  p-value: 0.3380836

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-738.48527 -247.05404  -48.98956  142.83077 1231.03491 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                1150.71819948 1958.74591794  0.58748  0.55892
Age_3                         1.38152144   40.16676556  0.03439  0.97267
DiscrimCauseSum             132.92003714  206.78023961  0.64281  0.52261
I(DiscrimCauseSum^2)         -3.81728919    5.01960023 -0.76048  0.44972
Sex                          60.68286923   94.44421875  0.64253  0.52279
PovStat                    -119.30565355   95.68063343 -1.24692  0.21690
Age_3:DiscrimCauseSum        -1.67859301    4.15361065 -0.40413  0.68744
Age_3:I(DiscrimCauseSum^2)    0.05433364    0.09927692  0.54729  0.58605

Residual standard error: 378.3237 on 65 degrees of freedom
Multiple R-squared:  0.09096406,    Adjusted R-squared:  -0.006932118 
F-statistic: 0.9291891 on 7 and 65 DF,  p-value: 0.4901972

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-698.55028 -219.97387    3.04926  158.90909  907.56823 

Coefficients:
                         Estimate  Std. Error  t value Pr(>|t|)
(Intercept)           2817.612357 1083.729424  2.59992 0.011529
Age_3                  -29.053394   21.287568 -1.36481 0.177020
Discrim02a            -650.180436 1156.813564 -0.56204 0.576019
I(Discrim02a^2)        122.000600  250.384073  0.48725 0.627718
Sex                     24.005950   90.997969  0.26381 0.792763
PovStat                -91.080202   91.307980 -0.99751 0.322218
Age_3:Discrim02a        17.680891   22.372980  0.79028 0.432239
Age_3:I(Discrim02a^2)   -2.885059    4.819040 -0.59868 0.551468

Residual standard error: 356.9298 on 65 degrees of freedom
Multiple R-squared:  0.1908675, Adjusted R-squared:  0.1037301 
F-statistic: 2.190421 on 7 and 65 DF,  p-value: 0.04640701

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-767.39182 -267.23628  -18.28451  149.51776 1036.24325 

Coefficients:
                         Estimate  Std. Error  t value Pr(>|t|)
(Intercept)           2380.870706 1149.734538  2.07080 0.042353
Age_3                  -19.090275   22.804304 -0.83713 0.405584
Discrim02b            -195.104946 1189.239930 -0.16406 0.870194
I(Discrim02b^2)         34.644787  255.671105  0.13551 0.892631
Sex                     42.466541   94.185612  0.45088 0.653576
PovStat               -110.101929   96.064190 -1.14613 0.255944
Age_3:Discrim02b         8.013298   23.030551  0.34794 0.729008
Age_3:I(Discrim02b^2)   -1.229181    4.923784 -0.24964 0.803652

Residual standard error: 374.4561 on 65 degrees of freedom
Multiple R-squared:  0.109455,  Adjusted R-squared:  0.01355012 
F-statistic: 1.141287 on 7 and 65 DF,  p-value: 0.3488531

plot of chunk regress

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

Residuals:
       Min         1Q     Median         3Q        Max 
-794.29381 -211.44336   -9.08383  165.37922  883.65932 

Coefficients:
                             Estimate    Std. Error  t value  Pr(>|t|)
(Intercept)             1587.99717653  580.74531378  2.73441 0.0080442
Age_3                     -7.47709824   11.72675704 -0.63761 0.5259673
WillDiscComp            -105.50613567   82.18275333 -1.28380 0.2037699
I(WillDiscComp^2)          2.61420830    2.34861257  1.11309 0.2697709
Sex                       81.34552577   88.42075361  0.91998 0.3609837
PovStat                  -27.05970804   86.96718359 -0.31115 0.7566834
Age_3:WillDiscComp         1.72287073    1.65836639  1.03890 0.3027022
Age_3:I(WillDiscComp^2)   -0.03701653    0.04684700 -0.79016 0.4323088

Residual standard error: 344.5712 on 65 degrees of freedom
Multiple R-squared:  0.1506425, Adjusted R-squared:  0.05917321 
F-statistic: 1.646919 on 7 and 65 DF,  p-value: 0.1381408

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 + 
    Age_3 * I(RaceDiscComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-786.95077 -270.83514   36.20479  186.13318  995.49136 

Coefficients:
                            Estimate   Std. Error  t value Pr(>|t|)
(Intercept)               75.3094971 6910.4883645  0.01090  0.99134
Age_3                     34.8791562  129.3159936  0.26972  0.78823
RaceDiscComp             138.8141952 1821.0562287  0.07623  0.93947
I(RaceDiscComp^2)         -2.0042336  116.1358322 -0.01726  0.98628
Sex                      123.9654033   90.7588436  1.36588  0.17669
PovStat                  -18.7631822   90.1754373 -0.20807  0.83582
Age_3:RaceDiscComp        -6.4079219   33.8006581 -0.18958  0.85023
Age_3:I(RaceDiscComp^2)    0.2722078    2.1399029  0.12721  0.89917

Residual standard error: 361.6355 on 65 degrees of freedom
Multiple R-squared:  0.06443315,    Adjusted R-squared:  -0.03632021 
F-statistic: 0.6395137 on 7 and 65 DF,  p-value: 0.7215714

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 + 
    Age_3 * I(DiscrimCauseComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-740.35127 -266.41561   19.92457  177.78895  952.41913 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                 1108.5704832  568.7192034  1.94924 0.055584
Age_3                          0.1122792   12.3796354  0.00907 0.992791
DiscrimCauseComp             -90.9156016  277.0935990 -0.32810 0.743887
I(DiscrimCauseComp^2)         10.6548120   30.2156399  0.35263 0.725510
Sex                          111.1709070   91.6852095  1.21253 0.229699
PovStat                      -37.1610470   91.5788505 -0.40578 0.686236
Age_3:DiscrimCauseComp         1.6677793    5.7660492  0.28924 0.773317
Age_3:I(DiscrimCauseComp^2)   -0.1611006    0.5921529 -0.27206 0.786439

Residual standard error: 360.8561 on 65 degrees of freedom
Multiple R-squared:  0.06846148,    Adjusted R-squared:  -0.03185805 
F-statistic: 0.6824342 on 7 and 65 DF,  p-value: 0.6863119

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 + 
    Age_3 * I(DiscrimCauseSum^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-756.32367 -256.87864   -2.10486  181.60727 1043.05558 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                -183.80208886 1869.41157666 -0.09832  0.92198
Age_3                        21.56546792   38.33484264  0.56256  0.57567
DiscrimCauseSum             135.82501658  197.34942149  0.68825  0.49375
I(DiscrimCauseSum^2)         -3.56248998    4.79066667 -0.74363  0.45978
Sex                         129.73798488   90.13681370  1.43935  0.15485
PovStat                     -25.61698478   91.31683806 -0.28053  0.77996
Age_3:DiscrimCauseSum        -2.20924091    3.96417308 -0.55730  0.57924
Age_3:I(DiscrimCauseSum^2)    0.05965486    0.09474911  0.62961  0.53116

Residual standard error: 361.0691 on 65 degrees of freedom
Multiple R-squared:  0.06736164,    Adjusted R-squared:  -0.03307634 
F-statistic: 0.6706789 on 7 and 65 DF,  p-value: 0.695991

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 + 
    Age_3 * I(Discrim02a^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-810.11415 -234.37963    0.68652  187.90996 1033.80415 

Coefficients:
                         Estimate  Std. Error  t value Pr(>|t|)
(Intercept)           1275.439954 1089.358129  1.17082  0.24595
Age_3                   -6.102252   21.398132 -0.28518  0.77642
Discrim02a            -539.127014 1162.821856 -0.46364  0.64446
I(Discrim02a^2)        154.141582  251.684525  0.61244  0.54238
Sex                    139.887296   91.470597  1.52931  0.13104
PovStat                 -1.601710   91.782218 -0.01745  0.98613
Age_3:Discrim02a        13.288298   22.489182  0.59088  0.55665
Age_3:I(Discrim02a^2)   -3.427609    4.844070 -0.70759  0.48173

Residual standard error: 358.7836 on 65 degrees of freedom
Multiple R-squared:  0.07913099,    Adjusted R-squared:  -0.02003952 
F-statistic: 0.7979286 on 7 and 65 DF,  p-value: 0.591858

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 + 
    Age_3 * I(Discrim02b^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-809.30474 -266.49443   10.51211  213.07795 1035.89842 

Coefficients:
                         Estimate  Std. Error  t value Pr(>|t|)
(Intercept)           1157.348316 1100.106160  1.05203  0.29668
Age_3                   -5.135057   21.819955 -0.23534  0.81469
Discrim02b            -346.499268 1137.906298 -0.30451  0.76172
I(Discrim02b^2)        104.635471  244.635043  0.42772  0.67027
Sex                    132.685124   90.120083  1.47231  0.14576
PovStat                -13.100408   91.917572 -0.14252  0.88711
Age_3:Discrim02b        10.941255   22.036436  0.49651  0.62121
Age_3:I(Discrim02b^2)   -2.771075    4.711249 -0.58818  0.55845

Residual standard error: 358.2927 on 65 degrees of freedom
Multiple R-squared:  0.08164944,    Adjusted R-squared:  -0.01724985 
F-statistic: 0.8255816 on 7 and 65 DF,  p-value: 0.5697594

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 + 
    Age_3 * I(WillDiscComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-778.66819 -167.45151  -16.42383  175.42024  576.70214 

Coefficients:
                            Estimate   Std. Error  t value Pr(>|t|)
(Intercept)             990.25229620 509.19465478  1.94474 0.056135
Age_3                     0.22205363  10.28196330  0.02160 0.982836
WillDiscComp             34.11880239  72.05743674  0.47349 0.637447
I(WillDiscComp^2)        -1.13500103   2.05925203 -0.55117 0.583406
Sex                     -94.65297226  77.52688492 -1.22091 0.226532
PovStat                 -71.97843430  76.25240183 -0.94395 0.348691
Age_3:WillDiscComp       -0.31500840   1.45404755 -0.21664 0.829166
Age_3:I(WillDiscComp^2)   0.01293509   0.04107522  0.31491 0.753837

Residual standard error: 302.1183 on 65 degrees of freedom
Multiple R-squared:  0.06245252,    Adjusted R-squared:  -0.03851413 
F-statistic: 0.618546 on 7 and 65 DF,  p-value: 0.7386637

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 + 
    Age_3 * I(RaceDiscComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-729.10923 -154.14643  -21.95099  148.91856  629.12377 

Coefficients:
                             Estimate    Std. Error  t value Pr(>|t|)
(Intercept)             -10042.579977   5529.464556 -1.81619 0.073952
Age_3                      191.145281    103.472890  1.84730 0.069256
RaceDiscComp              3173.517013   1457.127968  2.17793 0.033046
I(RaceDiscComp^2)         -217.922472     92.926713 -2.34510 0.022086
Sex                        -99.057813     72.621178 -1.36403 0.177261
PovStat                    -88.730424     72.154363 -1.22973 0.223231
Age_3:RaceDiscComp         -54.560374     27.045779 -2.01733 0.047794
Age_3:I(RaceDiscComp^2)      3.764187      1.712255  2.19838 0.031488

Residual standard error: 289.3646 on 65 degrees of freedom
Multiple R-squared:  0.1399375, Adjusted R-squared:  0.04731542 
F-statistic: 1.510844 on 7 and 65 DF,  p-value: 0.1793208

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 + 
    Age_3 * I(DiscrimCauseComp^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-940.11055 -176.89113  -12.31339  177.21821  598.15474 

Coefficients:
                                Estimate   Std. Error  t value Pr(>|t|)
(Intercept)                  997.8090354  471.1785142  2.11769 0.038031
Age_3                          0.5817005   10.2564116  0.05672 0.954946
DiscrimCauseComp             235.3505604  229.5694422  1.02518 0.309077
I(DiscrimCauseComp^2)        -34.4768278   25.0333736 -1.37723 0.173164
Sex                         -107.1388848   75.9603343 -1.41046 0.163172
PovStat                      -67.7410875   75.8722168 -0.89283 0.375241
Age_3:DiscrimCauseComp        -3.6829803    4.7771176 -0.77096 0.443522
Age_3:I(DiscrimCauseComp^2)    0.5852979    0.4905931  1.19304 0.237190

Residual standard error: 298.9659 on 65 degrees of freedom
Multiple R-squared:  0.08191587,    Adjusted R-squared:  -0.01695473 
F-statistic: 0.828516 on 7 and 65 DF,  p-value: 0.5674326

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 + 
    Age_3 * I(DiscrimCauseSum^2) + Sex + PovStat, data = datBrain)

Residuals:
      Min        1Q    Median        3Q       Max 
-952.0529 -156.3706    4.5206  177.5110  630.0303 

Coefficients:
                                Estimate    Std. Error  t value Pr(>|t|)
(Intercept)                 689.91539431 1583.19578988  0.43577  0.66444
Age_3                         7.57656711   32.46559625  0.23337  0.81621
DiscrimCauseSum              66.20699934  167.13428821  0.39613  0.69331
I(DiscrimCauseSum^2)         -2.05247241    4.05719286 -0.50588  0.61465
Sex                         -97.02187071   76.33643962 -1.27098  0.20827
PovStat                     -74.20367369   77.33579666 -0.95950  0.34086
Age_3:DiscrimCauseSum        -1.22941617    3.35723936 -0.36620  0.71541
Age_3:I(DiscrimCauseSum^2)    0.03900867    0.08024257  0.48613  0.62851

Residual standard error: 305.7877 on 65 degrees of freedom
Multiple R-squared:  0.03954026,    Adjusted R-squared:  -0.06389387 
F-statistic: 0.3822748 on 7 and 65 DF,  p-value: 0.9094986

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 + 
    Age_3 * I(Discrim02a^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-942.74316 -160.11806  -15.42937  165.29745  632.80244 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)           1367.2714207  929.7856404  1.47052  0.14624
Age_3                   -5.0948805   18.2636684 -0.27896  0.78116
Discrim02a            -223.7360464  992.4881770 -0.22543  0.82235
I(Discrim02a^2)         41.4728481  214.8170110  0.19306  0.84751
Sex                    -98.8546989   78.0717061 -1.26620  0.20996
PovStat                -60.2474926   78.3376797 -0.76907  0.44463
Age_3:Discrim02a         4.0608047   19.1948982  0.21156  0.83312
Age_3:I(Discrim02a^2)   -0.6567112    4.1344957 -0.15884  0.87429

Residual standard error: 306.2279 on 65 degrees of freedom
Multiple R-squared:  0.03677296,    Adjusted R-squared:  -0.06695918 
F-statistic: 0.3544992 on 7 and 65 DF,  p-value: 0.9250021

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 + 
    Age_3 * I(Discrim02b^2) + Sex + PovStat, data = datBrain)

Residuals:
       Min         1Q     Median         3Q        Max 
-944.55545 -149.64862   -8.19275  160.90113  615.55369 

Coefficients:
                          Estimate   Std. Error  t value Pr(>|t|)
(Intercept)           1406.0262393  928.6405326  1.51407  0.13486
Age_3                   -8.6303313   18.4190353 -0.46856  0.64096
Discrim02b            -180.7059106  960.5490358 -0.18813  0.85136
I(Discrim02b^2)         23.9759283  206.5055398  0.11610  0.90793
Sex                   -115.5095736   76.0737148 -1.51839  0.13377
PovStat                -68.3403432   77.5910421 -0.88078  0.38168
Age_3:Discrim02b         5.6198635   18.6017753  0.30211  0.76353
Age_3:I(Discrim02b^2)   -0.7046806    3.9769404 -0.17719  0.85991

Residual standard error: 302.4482 on 65 degrees of freedom
Multiple R-squared:  0.0604042, Adjusted R-squared:  -0.04078304 
F-statistic: 0.5969547 on 7 and 65 DF,  p-value: 0.7561119

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