Table 1.

Comparison intrinsic membrane properties for FS and RS cells

	FS (n = 16)	RS (n = 31)
Input resistance, MΩ*	163.92 ± 48.10	285.10 ± 80.61
Membrane time constant, ms*	11.83 ± 4.94	29.38 ± 10.32
Vrest, mV	−67.88 ± 6.51	−67.15 ± 7.75
AP threshold, mV*	−30.57 ± 6.24	−37.27 ± 7.54
Threshold I, nA*	0.16 ± 0.08	0.05 ± 0.03
Number of APs at threshold*	10.25 ± 10.72	3.65 ± 2.50
1st AP time, ms	266.13 ± 304.10	223.09 ± 237.20
AP half-width, ms*	0.46 ± 0.13	0.89 ± 0.20
Adaptation ratio*	0.78 ± 0.17	0.31 ± 0.09
Max firing rate, Hz*	199.00 ± 64.31	75.71 ± 15.53
FR vs. I slope, Hz/nA*	273.28 ± 81.56	109.90 ± 24.69

Values are means ± SD. FS, fast spiking; RS, regular spiking; V_rest, resting membrane potential; AP, action potential; I, current; FR, firing rate.

^*P < 0.01 by Student's t-test.