Passive and active physiological properties of dorsal and ventral PV BCs
| Dorsal | Ventral | p value | |
|---|---|---|---|
| Passive properties | |||
| Resting membrane potential (mV) | −66.0 ± 1.7 (25) | −67.7 ± 1.6 (32) | 0.46 |
| Input resistance (MΩ) | 83.1 ± 8.0 (25) | 95.3 ± 8.0 (28) | 0.29 |
| Membrane time constant (ms) | 11.5 ± 1.5 (17) | 14.9 ± 2.7 (23) | 0.87 |
| Membrane capacitance (pF) | 16.7 ± 2.9 (13) | 13.1 ± 1.4 (16) | 0.28 |
| Active properties | |||
| Rheobase (pA) | 205.3 ± 48.2 (11) | 164.7 ± 34.9 (15) | 0.50 |
| Voltage threshold (mV) | −38.2 ± 1.0 (11) | −40.8 ± 1.2 (15) | 0.10 |
| AP amplitude (mV)* | 53.5 ± 3.6 (11) | 64.4 ± 4.0 (15) | 0.07 |
| AP rise time (ms) | 0.99 ± 0.55 (11) | 0.33 ± 0.19 (14) | 0.57 |
| AP maximum rise rate (mV/ms) | 308.2 ± 27.2 (11) | 326.1 ± 16.1 (15) | 0.56 |
| AP maximum decay rate (mV/ms) | 185.1 ± 20.0 (11) | 161.1 ± 14.3 (15) | 0.96 |
| Half-height width (ms) | 0.44 ± 0.04 (11) | 0.49 ± 0.03 (15) | 0.22 |
| Fast AHP amplitude (mV)* | −20.4 ± 0.94 (12) | −21.1 ± 0.79 (15) | 0.58 |
| Discharge frequency at 1 nA (Hz) | 298.0 ± 30.9 (16) | 252.1 ± 17.5 (22) | 0.21 |
| Spontaneous synaptic input | |||
| Spontaneous EPSC frequency (Hz) | 12.2 ± 6.8 (25) | 14.4 ± 7.6 (32) | 0.38 |
| Spontaneous EPSC amplitude (pA) | −35.5 ± 25.7 (25) | −38.3 ± 23.4 (32) | 0.73 |
Results shown as mean ± SEM; number of analyzed neurons are shown in parenthesis.
↵* Measured from threshold.