Table 5.
Low | High | |||
---|---|---|---|---|
Measure | Sig | |||
(n=20) | (n =20) | |||
Age | Range | 9.00 – 17.92 | 7.92 – 16.92 | |
Mean (s.d.) | 12.65 (2.77) | 11.80 (2.63) | .29 | |
IQ | Mean (s.d.) | 114 (14) | 112 (17) | .50 |
SES | Mean (s.d.) | 2.16 (.48) | 2.38 (.73) | .28 |
Handedness | 16 RH, 4 LH | 18 RH, 2 LH | ||
Impulsivity Rating | Range | 0 – 9 | 0 – 27 | |
Mean (s.d.) | 3.85 (2.08) | 9.25 (6.06) | .01 | |
Conduct Rating | Range | 0 – 3 | 5 – 24 | |
Mean (s.d.) | 1.65 (1.18) | 11.40 (5.64) | .000 | |
Total Cortex Volume (cc) | Mean volume (s.d) | 502.76 (3.54) | 515.17 (8.66) | .29 |
R ACC Volume (cc) | Adjusted Mean volume (s.e.) | 4.37 (.12) | 3.64 (.12) | F = 14.21 (.001) |
ACC = anterior cingulate cortex, cc = cubic centimeters, L = left, LH, left handed, R = right, RH = right handed