Table 3. Summary of electrophysiological parameters in relation to neuronal firing pattern.
Parameters | Neuronal firing pattern | |||
---|---|---|---|---|
c-NAC | c-AC | c-STUT | d-NAC | |
Number of cells | 162 | 35 | 10 | 29 |
RMP (mV) | -56.15 ± 0.51 | -55.49 ± 0.91 | -63.40 ± 1.95 | -58.31 ± 0.95 |
AP threshold (mV) | -41.75 ± 0.26 | -41.01 ± 0.46 | -40.44 ± 0.66 | -42.28 ± 0.50 |
Rin (MΩ) | 538.12 ± 17.18 | 428.41 ± 19.29 | 331.83 ± 32.37 | 442.67 ± 22.27 |
Spike frequency (Hz) | 33.21 ± 1.23 | 27.31 ± 1.43 | 18.48 ± 3.24 | 26.10 ± 1.70 |
AP amplitude (mV) | 96.10 ± 0.90 | 99.46 ± 1.45 | 90.46 ± 2.97 | 99.89 ± 1.80 |
Half width (ms) | 0.94 ± 0.02 | 0.93 ± 0.03 | 0.85 ± 0.05 | 0.91 ± 0.03 |
10-90% rise time (ms) | 0.37 ± 0.01 | 0.37 ± 0.01 | 0.33 ± 0.02 | 0.36 ± 0.01 |
10-90% decay time (ms) | 0.64 ± 0.01 | 0.62 ± 0.02 | 0.55 ± 0.04 | 0.62 ± 0.03 |
τ (ms) | 46.20 ± 1.66 | 38.77 ± 2.93 | 23.96 ± 3.64 | 42.79 ± 3.65 |
fAHP (mV) | 16.98 ± 0.52 | 21.33 ± 1.11 | 16.17 ± 0.09 | 16.71 ± 0.80 |
mAHP (mV) | 12.77 ± 0.42 | 16.90 ± 0.85 | 19.28 ± 1.17 | 15.50 ± 0.93 |
sAHP (mV) | 5.19 ± 0.29 | 7.32 ± 0.67 | 6.23 ± 0.40 | 4.17 ± 0.48 |
ADP (mV) | 5.63 ± 0.32 | 5.58 ± 0.83 | 2.13 ± 0.48 | 2.51 ± 0.31 |
Data are reported as means ± SEM. c-NAC and c-AC = classic non-accommodating and accommodating cells, respectively; c-STUT = classic stuttering neurons; d-NAC = delayed NAC; RMP = resting membrane potential; AP = action potential; Rin = input resistance; τ = membrane time constant; fAHP = fast after-hyperpolarization potentials; mAHP = medium after-hyperpolarization potentials; sAHP = slow after-hyperpolarization potentials; ADP = after-depolarization potentials.