Table 2.

Immunohistochemistry and microdialysis experiments

Experimental days	BDNF immunohistochemistry		Microdialysis
	Stressed	Controls	Stressed	Controls
Episodic social defeat stress
5 d before first social defeat			Guide cannula implanted in NAC
Days 1, 4, 7, and 10	Defeated in resident encounters	Handled	Defeated in resident encounters (n = 7)	Handled (n = 6)
Day 21	Injected with cocaine or saline 60 min before perfusion		Injected with saline and then cocaine during microdialysis
Continuous subordination stress
Days 1–36	Housed in home cage of aggressive male	Handled	Housed in home cage of aggressive male (n = 6)	Handled (n = 6)
Day 37			Guide cannula implanted in NAC
Day 47	Injected with cocaine or saline 60 min before perfusion		Injected with saline and then cocaine during microdialysis