Table 2.

Patch-clamp recordings

Cell	RMP (mV)	Resistance (GΩ)	Time constant (s)	Capacitance (nF)	Threshold (mV)	Peak (mV)	Threshold to peak (mV)	Spike width (ms)	Latency (ms)
M203a	–60.7	0.292	0.055	0.191	–39.1	18.8	57.9	0.6	5.4
M203b	–66.3	0.179	0.058	0.321	–44.5	18.4	62.9	0.5	6.2
M203c	–63.5	0.058	—	—	–42.1	10.6	52.7	0.4	70.9
M203e	–72.6	0.578	0.058	0.1	–38.6	28.6	67.2	0.8	12.3
M204d	–66.6	0.859	0.087	0.101	–37	32	69	1.2	7.7
M204e	–67	0.69	0.065	0.095	–33	26.4	59.4	1.3	4.1
M204f	–56.2	—	0.075	0.085	–34.5	33	67.5	1.2	10.4
M204h	–62.9	0.293	0.064	0.218	–40.9	36.6	77.5	0.5	30.3
M204i	–62.6	—	0.059	0.152	–35.3	31.1	66.4	0.5	65.4
M205h	–62	0.311	0.074	0.238	–31.7	29.2	60.9	1.1	63.3
M205i	–66.1	—	—	—	–35.1	35	70.1	0.8	31.2
M205j	–71.3	0.106	0.061	0.577	–29.7	40.6	70.3	0.8	28.3
M205k	–63.7	—	0.061	0.078	–36.7	43.1	79.8	0.9	20.1
M205l	–58.4	0.336	0.059	0.177	–30.4	27.4	57.8	0.5	78.4
M206a	–83.9	0.166	0.068	0.453	–30.8	26.6	57.4	1.1	24.6
M206b	–58.9	—	0.057	0.129	–37	16.6	53.6	1	36.9
M206c	–72.3	0.099	0.164	1.666	–29.1	34.1	63.1	1.1	43.3
M206e	–85	0.131	0.058	0.444	–35.5	36.2	71.7	0.9	27.3
M207e	–66.3	—	0.073	0.09	–37.6	29.6	67.2	1	7
M207f	–46.7	0.074	0.266	5.494	–34.9	22.1	56.9	0.8	6.3

Intrinsic membrane properties recorded from 20 cells across five juvenile owls age 35–40 d. All reported data are from cells that passed multiple quality controls.