Table 1.

Detailed neurophysiological parameters for DRG neurons organized by groups

Group	Diameter, µm	RMP, mV	C, pF	Rheobase, nA	Spike threshold, mV	AP peak, mV	AP overshoot, mV	AP rise time, ms	AP fall time, ms	AHP amplitude, mV	Tau, ms
All neurons	43.7 ± 0.8	−57.9 ± 0.9	190 ± 10	0.7 ± 0.08	−14.1 ± 1.3	77.0 ± 1.4	62.4 ± 1.7	1.9 ± 0.1	6.0 ± 0.3	15.7 ± 0.5	41.1 ± 3.0
With pain	42.1 ± 0.8	−57.8 ± 1.0	200 ± 20	0.6 ± 0.09*	−14.8 ± 1.7*	78.0 ±1.5	63.4 ± 1.8	1.8 ± 0.1	6.1 ± 0.4	15.9 ± 0.6	40.2 ± 3.5
No pain	45.1 ± 1.3	−58.2 ± 1.8	180 ± 20	0.9 ± 0.17	−11.3 ± 2.1	75.3 ± 3.5	60.9 ± 4.2	2.0 ± 0.3	5.5 ± 0.7	15.2 ± 1.2	45.3 ± 6.9

AHP = after-hyperpolarization; AP = action potential; C = capacitance; RMP = resting membrane potential.

*P < 0.05.