Table 1.
Summary of basic electrophysiological parameters of ACC layer II/III pyramidal neurons in adult mice in vivo
| RS cells (n = 5) | IM cells (n = 31) | IB cells (n = 14) | |
|---|---|---|---|
| Ratio | 10 | 62 | 28 |
| RMP (mV) | -68.4 ± 2.2 | -72.0 ± 1.9 | -67.1 ± 2.3 |
| Spontaneous AP threshold (mV) | -46.1 ± 2.9 | -48.3 ± 1.4 | -44.2 ± 2.0 |
| Oscillation Frequency (Hz) | 0.4 ± 0.08 | 0.41 ± 0.04 | 0.48 ± 0.04 |
| Spike Height (mV) | 56.1 ± 7.5 | 59.0 ± 2.3 | 57.5 ± 3.2 |
| Spike Half Width (ms) | 1.40 ± 0.23 | 1.40 ± 0.08 | 1.37 ± 0.09 |
| fAHP Amplitude (mV) | ND | -7.1 ± 1.4 | -7.1 ± 2.2 |
| Time of fAHP (ms) | ND | 2.2 ± 0.1 | 2.1 ± 0.2 |
| sAHP Amplitude (mV) | -10.5 ± 2.0 | -10.3 ± 0.8 | -9.2 ± 1.6 |
| Time of sAHP (ms) | 65.8 ± 11.4 | 68.5 ± 9.4 | 59.8 ± 8.3 |
| ADP (mV) | ND | 9.7 ± 1.3a | 13.1 ± 3.3a, b |
| Pinch-evoked responses higher than 200% | 1/5 (20%) | 10/31 (32%) | 7/14 (50%) |
Values are means ± SEM.
n is number of cells.
ACC, anterior cingulate cortex; RMP, resting membrane potential; fAHP, fast afterhyperpolarization; sAHP, slow afterhyperpolarization; ADP, afterdepolarization.
a Significantly different from RS cells at P < 0.001.
ND indicates no data.
b Significantly different from IM cells at P < 0.05.