Table 2.

Summary of electrophysiological properties of inhibitory and noninhibitory neurons in the INC and the PHN

V+ INCV+ PHNV- INCD- PHN
Input capacitance (pF)56.0 ± 21.7**31.5 ± 17.654.7 ± 23.8*47.6 ± 32.5
Input resistance (MΩ)423.1 ± 187.5**662.9 ± 296.4358.0 ± 180.1**572.9 ± 335.3
Spike amplitude (mV)72.3 ± 7.874.6 ± 7.069.7 ± 8.4**76.9 ± 8.9
Spike half-width (ms)0.398 ± 0.11**0.441 ± 0.110.39 ± 0.13**0.54 ± 0.14
AHP amplitude (mV)28.7 ± 6.1**32.1 ± 4.926.4 ± 5.5**29.1 ± 5.0
Spontaneous firing rate (spikes/s) 10.4 ± 7.29.2 ± 4.56.1 ± 5.87.1 ± 4.3
CV of the interspike interval (%)17.2 ± 29.3*8.8 ± 12.916.3 ± 19.5**8.3 ± 13.5
  • The analyses were performed on data collected from 70 V+ and 70 V- PHN neurons and 55 V+ and 55 V- INC neurons. The CVs of the interspike interval were analyzed in the neurons that fired spontaneously (52 V+ INC, 68 V+ PHN, 40 V- INC, and 67 D- PHN). Asterisks indicate significant differences between V+ INC and V+ PHN or between V- INC and D- PHN. *p < 0.05; **p < 0.01.