Table 1.

Development of active and passive intrinsic neuronal properties

	Stage 42–43	Stage 44–46	Stage 49
AP threshold (mV)	−23.96 ± 1.4 (n = 9)	−24.7 ± 1.1 (n = 11)	−20 ± 2 (n = 11)
AP height (mV)	31.2 ± 2.8 (n = 9)	31.2 ± 3.32 (n = 11)	28.6 ± 2.5 (n = 11)
AP rise time (20–80%; ms)	0.767 ± 0.06 (n = 9)	0.77 ± 0.08 (n = 11)	1.3 ± 0.4 (n = 11)
AP rate of rise (mV/ms)	27.7 ± 5.2 (n = 9)	28.8 ± 4.4 (n = 11)	16.5 ± 3.9 (n = 11)
AP half-width (ms)	3.24 ± 0.47 (n = 9)	2.61 ± 0.35 (n = 11)	3.63 ± 0.35 (n = 11)
Resting membrane potential (mV)	40.6 ± 2.2 (n = 23)	42.3 ± 1.6 (n = 39)	43.8 ± 1.3 (n = 61)
Input resistance (GΩ)	1.0 ± 0.11 (n = 30)	0.9 ± 0.05 (n = 42)	0.97 ± 0.04 (n = 81)

AP, Action potential.