Behavioral responses to social threat
| No. of control subjects (n = 10) | No. of lesion subjects (n = 6) | p < | |
|---|---|---|---|
| Fear grimace | 7 | 0 | 0.02 |
| Submit | 9 | 2 | 0.04 |
| Coo | 9 | 1 | 0.01 |
| Bark | 7 | 0 | 0.04 |
The effects of the amygdala lesions on behaviors expressed in the social threat paradigm are displayed. Significantly fewer subjects in the >70% group engaged in fearful and defensive behaviors in response to the threatening adult male than did controls (n = 10) as determined by Fisher's exact test.