Table 1.

Spatial firing characteristics of CA1 and subicular neurons

	CA1	Subiculum	p value
Number of place fields	1.13 ± 0.04	2.02 ± 0.12	<0.001
Place field size (pixels)	9.23 ± 0.21	11.62 ± 0.69	<0.001
Infield firing rate (Hz)	5.68 ± 0.28	4.94 ± 0.36	0.466
Outfield firing rate (Hz)	0.71 ± 0.04	1.43 ± 0.08	<0.001
Infield/outfield firing ratio	12.68 ± 0.84	4.13 ± 0.32	<0.001
Spatial information content (bits/spike)	4.32 ± 0.21	3.05 ± 0.20	<0.001

Spatial firing of CA1 and subicular putative pyramidal cells was compared using various indices (mean ± SEM). The last column shows results of statistical comparisons between CA1 and subiculum (Wilcoxon rank-sum test).