Table 1.

The schedule of treatment procedures for Experiment 2

Day after ovariectomy:
3 →	4 →	5 →	6
Sham pumps (C, E) or pumps delivering continuous physostigmine (PH, PH + B) implanted			Killed
BIBN (PH + B) or vehicle (C, E, PH) injections every 4 hr	BIBN or vehicle injections continue	BIBN or vehicle injections continue
EB (E) or oil injection (C, PH, PH + B)	EB or oil injection

C, Control; E, estrogen; EB, estradiol benzoate; PH, physostigmine; PH + B, physostigmine + BIBN 99.