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Article: Electrophysiological characterization of GABAergic neurons in the ventral tegmental area.

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Steffensen SC; Svingos AL; Pickel VM; Henriksen SJ
J. Neurosci., 1998


Table 1.

Cellular properties of extracellularly and intracellularly recorded VTA nondopamine neurons

Cellular properties  Mean ± SEM (n)
Firing rate 19.1 ± 1.4 Hz (122)
Period of phasic activity 0.43 ± 0.07 Hz (25)
Spike duration (50% amplitude) 310 ± 10 μsec (93)
Conduction velocity via IC 2.4 ± 0.2 msec (23)
Refractory period via IC 0.6 ± 0.1 msec (15)
Latency via IC (antidromic) 2.1 ± 0.2 msec (23)
Latency via IC (orthodromic) 3.2 ± 0.3 msec (72)
Period of inhibition via IC 116.7 ± 24 msec (6)
Period of inhibition via NAcc 75.0 ± 11 msec (4)
Resting membrane potential -61.9 ± 1.8 mV (18)
Action potential amplitude 68.3 ± 2.1 mV (18)
ON phase depolarization amplitude 9.4 ± 0.9 mV (8)
EPSP amplitude (cell in Fig.8) 7.6 ± 0.3 mV (68)

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other Ventral tegmental area non-dopaminergic inhibitory neurons firing frequency 19.1 ± 1.4 (122) 19.1 (Hz) Data Table
Other Ventral tegmental area non-dopaminergic inhibitory neurons resting membrane potential -61.9 ± 1.8 (18) -61.9 (mV) Data Table
Other Ventral tegmental area non-dopaminergic inhibitory neurons spike amplitude 68.3 ± 2.1 (18) 68.3 (mV) Data Table
Other Ventral tegmental area non-dopaminergic inhibitory neurons spike half-width 310.0 ± 10.0 (93) -- Data Table