These values were obtained from 93 neurons (22 neurons from the RRF, 47 from the SNc and 24 from the VTA), which had spontaneous firing. Among DA neurons in three nuclei, there was no difference in the electrophysiological properties.
Article: Nigral GABAergic inhibition upon mesencephalic dopaminergic cell groups in rats.
Full Text (publisher's website) ; Article Metadata ; Article Data (extracted) Saitoh K; Isa T; Takakusaki K Eur. J. Neurosci., 2004
RRF (n = 22) | SNc (n = 47) | VTA (n = 24) | All (n = 93) | Statistics | Probability | |
---|---|---|---|---|---|---|
Spike threshold (mV) | −52.6 ± 6.0 | −51.7 ± 5.2 | −50.6 ± 5.1 | −51.6 ± 5.4 | 1.326 | 0.515 |
Spike amplitude (mV) | 77.1 ± 15.6 | 72.2 ± 9.8 | 72.3 ± 12.1 | 73.4 ± 12.0 | 1.489 | 0.475 |
AHP amplitude (mV) | 22.2 ± 6.2 | 20.0 ± 6.2 | 20.6 ± 6.9 | 20.7 ± 6.4 | 1.888 | 0.389 |
Spike duration (ms) | 3.9 ± 1.7 | 3.7 ± 1.2 | 4.0 ± 1.0 | 3.8 ± 1.3 | 1.986 | 0.370 |
Spike half duration (ms) | 1.9 ± 0.8 | 1.6 ± 0.5 | 1.8 ± 0.5 | 1.8 ± 0.6 | 4.387 | 0.112 |