Table 1.

Detailed number of mice in each experimental group.

	Groups	Final number	Starting number
EXPERIMENT 1	OFF/Veh	8 (Fig. 1b)–15 (Fig. 1a)	8 (Fig. 1b)–15 (Fig. 1a)
	OFF/CORT	11 (Fig. 1b)–13 (Fig. 1a)	12 (Fig. 1b)–15 (Fig. 1a)
	dCA1 activ./CORT	11	14
	dCA1 inhib./Veh	13	15
	Pre-trauma dCA1 activ./CORT	7	8
	Pre-trauma dCA1 inhib./Veh	7	8
EXPERIMENT 2	Fig. 2a Veh—ReC	10	10
	Fig. 2a Cort—ReC	10	10
	Fig. 2b Veh—Tone only	10	10
	Fig. 2b Cort—Tone only	9	9
	Fig. 2c Veh—Context only	9	9
	Fig. 2c Cort—Context only	9	9
	Fig. 2d Veh—Tone + Context	9	9
	Fig. 2d Cort—Tone + Context	10	10
EXPERIMENT 3	PTSD ReC— Laser OFF	7	7
	PTSD ReC—Inhib CA1	8	8
EXPERIMENT 4	PTSD ReC—Laser OFF	7	7
	PTSD ReC—Inhib CA1	7	7
	Other groups	Same number as Exp 2	Same number as Exp 2