Ganglion Cell Property | Trigeminal n = 173 | Geniculate n = 89 | PValue (t-test) |
---|---|---|---|
Average soma diameter, μm | 29 ± 3 | 27 ± 5 | 0.002 |
Resting membrane potential, mV | −59 ± 5 | −57 ± 4 | 0.004 |
Input resistance, MΩ | 392 ± 169 | 525 ± 221 | <0.001 |
Membrane capacitance, pF | 69 ± 19 | 59 ± 18 | <0.001 |
Time constant, ms | 27 ± 13 | 30 ± 12 | 0.1 |
Action potential amplitude, mV | 105 ± 7 | 99 ± 9 | <0.001 |
Action potential half-duration, ms | 3.1 ± 0.7 | 2.2 ± 0.7 | <0.001 |
Action potential maximal left slope, V/s | 127 ± 34 | 145 ± 39 | <0.001 |
Action potential maximal right slope, V/s | −40 ± 8 | −47 ± 13 | <0.001 |
Action potential 10–90% decay time, ms | 3.2 ± 0.7 | 2.9 ± 0.9 | 0.014 |
Threshold of excitation, mV | −36 ± 4 | −39 ± 4 | <0.001 |
Threshold of excitation, pA | 128 ± 41 | 49 ± 30 | <0.001 |
Multiple spiking, % | 0 | 35 | — |
Afterhyperpolarization amplitude, mV | −11 ± 2 | −9 ± 3 | <0.001 |
Afterhyperpolarization duration, ms | 135 ± 91 | 88 ± 55 | <0.001 |
-
Values are means ± SD.