TABLE 1. Mean (±SD) for P50 and BIS-11 Variables and Outcomes of Statistical Analysis for the Healthy Comparison (HC), Antisocial Personality Disorder (ASPD), and Adult-Onset Antisocial Behavior (AAB) Groups.
| Variable | HC (n=15) | ASPD (n=9) | AAB (n=7) | F (df=2, 28) | Post-Hoc Test |
|---|---|---|---|---|---|
| Gating | |||||
| Ratio (%) | 39.50 (25.45) | 84.41 (38.41) | 43.18 (38.41) | F=4.83, p=0.02 | HC<ASPD (p=0.01) |
| ΔS1S2 (μV)1 | 1.98 (1.41) | 0.70 (1.41) | 1.50 (1.80) | F=2.99, p=0.07 | HC>ASPD (p=0.04) |
| Amplitude (μV1,2 | F=2.23, p=0.13 | – | |||
| S1 | 3.24 (1.91) | 2.50 (1.33) | 2.40 (1.55) | ||
| S2 | 1.26 (1.11) | 1.80 (1.28) | 0.90 (0.83) | ||
| Latency (ms)2,3 | F=5.57, p=0.01 | HC<ASPD (p=0.05) | |||
| S1 | 59.73 (12.67) | 67.11 (11.66) | 62.14 (11.36) | ||
| S2 | 56.31 (11.23) | 69.11 (9.19) | 57.00 (13.06) | ||
| BIS-11 | |||||
| Total1 | 55.67 (6.03) | 67.78 (7.79) | 67.43 (16.64) | F=6.51, p<0.01 | HC<ASPD/AAB (p<0.03) |
| Non-planning | 20.40 (2.38) | 27.78 (4.87) | 25.14 (7.47) | F=7.59, p<0.01 | HC<ASPD/AAB (p<0.06) |
| Motor1 | 20.80 (2.60) | 24.00 (1.87) | 26.00 (5.94) | F=6.81, p<0.01 | HC<ASPD/AAB (p<0.01) |
| Attentional | 14.47 (3.72) | 16.00 (3.54) | 16.29 (4.50) | F=0.73, p=0.49 | – |
ΔS1S2=P50 difference
1
Data log transformed prior to analysis
2
Result presented in row is stimulus × group interaction
3
n=13 for comparison subjects for S2 latency with total suppression of P50 (df=2, 26)