Figure 5.

(A) Comparative mean theta power variation from baseline between control and stressed animals immediately following open arms risk-assessment entry regardless of subsequent approach and avoidance actions (left); and comparative mean theta power variation from baseline between control and stressed animals immediately following closed arm entry (right). Data for open and closed arms are averages across animals of the normalized measure of theta power variation for all entries. (B) Comparative time evolution of mean average theta power variation from baseline during open arms risk-assessment preceding approach and avoidance actions for all stressed animals in vHPC, BLA, mPFC(PrL), and dHPC. Data was averaged across animals for each time point according to the subsequent action (approach or avoid). ^*p < 0.05 for unpaired Wilcoxon rank sum test comparison of average theta power variation between control and stress groups and average theta power variation between activity preceding approach and avoidance actions. Error bars, ± sem.