Postnatal Age | Resting Membrane Potential, mV | Apparent Input Resistance, MΩ | Peak of the Action Potential, mV | Duration of the Action Potential, ms | Threshold of the Action Potential, mV |
---|---|---|---|---|---|
P7 | −66 ± 4* (10) | 69 ± 37† (10) | −16 ± 14‡ (10) | 1.9 ± 0.8 (10) | −47 ± 4‡ (10) |
P14 | −62 ± 5‡ (13) | 51 ± 23 (13) | 8 ± 6 (13) | 1.7 ± 0.4 (13) | −53 ± 6† (13) |
P21 | −68 ± 2 (10) | 36 ± 10 (10) | 16 ± 4 (10) | 1.4 ± 0.2 (10) | −59 ± 2 (10) |
P28 | −69 ± 3 (4) | 28 ± 10 (4) | 15 ± 2 (4) | 1.3 ± 0.2 (4) | −59 ± 3 (4) |
P35 | −71 ± 3 (7) | 40 ± 24 (7) | 16 ± 5 (7) | 1.2 ± 0.1 (7) | −57 ± 3 (7) |
P42 | −72 ± 4 (6) | 35 ± 14 (6) | 16 ± 6 (6) | 1.2 ± 0.2 (6) | −57 ± 2 (6) |
P140 (Adult) | −73 ± 2 (10) | 31 ± 8 (10) | 17 ± 3 (10) | 1.2 ± 0.2 (10) | −60 ± 1 (10) |
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Data are presented as means ± SD with values ofn shown in parentheses. * P < 0.02, † P < 0.05, and ‡ P < 0.001 the one-way ANOVA with Scheffé post hoc comparisons.