11 I I f I -5- C/NA- / 0 1 2 3 4 5 6 7 8 9 10 11 12 Defeat Session Figure 3-6. Intruder behaviors during intermittent social defeat sessions. The rats exposed to repeated social defeat stress exhibited (A) increases in freezing behavior and (B) decreases in exploratory locomotion across 12 experimental sessions. Values expressed are group means + SEM (n = 6 rats per group). -5- C/NA -A- C/A I I I I I I 012345 Ii I Defeat Session IIb I' I