Table 1.

Total number of CA1 neurons counted in distal and proximal CA1 in adult and old rats

	Mean ± SEM
	Distal CA1	Proximal CA1
AA
Adult	61.28 ± 2.99	66.11 ± 3.36
Old	62.72 ± 2.25	70.83 ± 3.84
AB
Adult	62.22 ± 2.15	68.47 ± 4.40
Old	55.06 ± 2.83	66.33 ± 3.95
MECS
Adult	66.28 ± 2.89	72.89 ± 2.79
Old	62.87 ± 3.76	63.40 ± 3.86
CC
Adult	60.67 ± 2.46	62.28 ± 2.02
Old	61.61 ± 3.51	60.72 ± 2.98
Total
Adult	62.61 ± 1.32	67.44 ± 1.65
Old	60.56 ± 1.56	65.32 ± 1.85