Table 1.
Mean scores for low (bottom 22.6%) and high (top 22.6%) prefrontal volume groups on diagnostic and self-report assessments of antisocial personality and behavior. Standard deviations are in parentheses
| Antisocial Personality Disorder | ||||||
|---|---|---|---|---|---|---|
| Low Volume (N = 17) |
High Volume (N = 17) |
t | df | p | d | |
| Orbito-frontal | 16.5 (10.2) |
9.7 (6.0) |
2.35 | 32 | .025 | 1.05 |
| Middle | 14.7 (11.7) |
8.8 (6.4) |
2.03 | 32 | .05 | 0.65 |
| Rectal | 13.8 (8.7) |
9.7 (6.4) |
1.59 | 32 | .15 | 0.37 |
| Superior | 11.1 (11.7) |
10.5 (6.8) |
0.19 | 32 | .853 | 0.06 |
| Inferior | 12.8 (8.5) |
9.5 (9.2) |
1.13 | 32 | .279 | 0.37 |
| Self-report Crime | ||||||
| Low Volume (N = 17) |
High Volume (N = 17) |
t | df | p | d | |
| Orbito-frontal | 25.88 (17.01) |
17.64 (10.3) |
1.71 | 32 | .097 | 1.62 |
| Middle | 28.1 (16.7) |
13.3 (9.6) |
3.24 | 32 | .003 | 1.81 |
| Rectal | 21.1 (15.8) |
18.3 (7.9) |
0.63 | 32 | .53 | 0.37 |
| Superior | 22.3 (16.4) |
18.7 (14.5) |
0.73 | 32 | .473 | 0.23 |
| Inferior | 20.5 (13.2) |
20.6 (16.1) |
−.03 | 32 | .977 | −0.01 |