Table 1.

Intrinsic excitability in dorsal (D) and ventral (V) CA1 pyramidal cells

Parameter	Mean ± SEM (range); n	p	Test
Input resistance (mΩ)	D: 83.6 ± 3.4 (56.5 to 99.3); n = 13	0.892	Mann–Whitney
	V: 87.5 ± 7.6 (51.7 to 128.9); n = 12
Resting membrane potential (mV)a	D: −75.2 ± 1.1 (−80 to −66); n = 13	0.052	Mann–Whitney
	V: −72.9 ± 0.8 (−79 to −69); n = 12
Sag with −100 pA injection (mV)	D: −2.7 ± 0.2 (−0.9 to −4.0); n = 13	0.724	Mann–Whitney
	V: −3.2 ± 0.4 (−0.9 to −5.8); n = 12
Sag with −200 pA injection (mV)	D: −5.2 ± 0.4 (−7.2 to −2.0); n = 13	0.724	Mann–Whitney
	V: −6.1 ± 0.8 (−9.9 to −1.9); n = 12
Rheobase (pA)	D: 892 ± 136 (533 to 2433); n = 13	0.956	Mann–Whitney
	V: 1072 ± 188 (300 to 2200); n = 12
AP threshold (mV)a	D: −49.0 ± 1.0 (−52.6 to −38.3); n = 13	0.072	Mann–Whitney
	V: −46.4 ± 1.4 (−52.7 to −36.7); n = 11
AP height (mV)	D: 95.5 ± 1.5 (81.0 to 105.0); n = 13	0.093	Mann–Whitney
	V: 90.1 ± 2.4 (72.9 to 98.2); n = 11
AP after-depolarization peak (mV)	D: −44.7 ± 0.7 (−48.4 to −38.7); n = 13	0.224	Mann–Whitney
	V: −42.8 ± 1.4 (−48.9 to −31.6); n = 11
AP after-hyperpolarization peak (mV)	D: −45.8 ± 0.9 (−51.8 to −39.0); n = 13	0.214	Student's t
	V: −44.1 ± 1.0 (−39.3 to −50.5); n = 11

^aAdjusted for calculated junction potential of 13.4 mV.