Table 1.

Main overview of spatial and firing characteristics of all three main sub-regions.

	CA1		CA3		DG
	Control	Stress	Control	Stress	Control	Stress
Maximum firing rate (Hz)	7.64 ± 0.96**	5.06 ± 0.71	13.35 ± 2.17*	9.85 ± 1.45	7.37 ± 1.02	7.21 ± 1.23
Average firing rate (Hz)	0.72 ± 0.12	0.51 ± 0.09	1.94 ± 0.38*	1.22 ± 0.29	0.90 ± 0.22	0.87 ± 0.23
Size of place field‡	14.1 ± 1.97	13.5 ± 1.36	26.83 ± 5.14*	21.18 ± 3.89	15.6 ± 1.67	16.9 ± 1.75
Spatial selectivity	15.4 ± 1.61	14.0 ± 1.41	11.28 ± 1.91	13.30 ± 2.53	15.1 ± 1.51	13.6 ± 1.69
Spatial information content†	1.82 ± 0.15	1.67 ± 0.14	1.47 ± 0.25	1.51 ± 0.23	1.73 ± 0.11*	1.53 ± 0.11

Values presented as mean values ± SEM. *p < 0.05, **p < 0.01, ^‡size of place field expressed in pixels, ^†Spatial information content in bits per spike.