Article: Substantia nigra dopamine regulates synaptic plasticity and membrane potential fluctuations in the rat neostriatum, in vivo.
Full Text (publisher's website) ; Article Metadata ; Article Data (extracted) Reynolds JN; Wickens JR Neuroscience, 2000
Table 1Membrane potential activity and cellular properties of spiny neuronsa
aData are mean±S.D*From all cells in sample (control: n=38; dopamine depleted: n=23).†From subset of cells tested (control: n=33; dopamine depleted: n=15).
Control | Dopamine depleted | ||
Membrane potential (mV)* | |||
up state average (μ2) | −65.9±7.7 | −67.3±9.4 | N.S. |
up state standard deviation (σ2) | 5.3±1.8 | 4.3±1.8 | P<0.05 |
down state average (μ1) | −84.8±6.5 | −82.8±7.4 | N.S. |
down state standard deviation (σ1) | 1.6±0.4 | 1.4±0.3 | N.S. |
down to up difference | 18.9±5.0 | 15.8±6.9 | P<0.05 |
Cellular properties† | |||
Input resistance (MΩ) | 30.3±13.0 | 30.9±9.7 | N.S. |
Firing threshold (mV) | −48.3±4.9 | −50.6±4.9 | N.S. |
Action potential amplitude (mV) | 74.7±11.6 | 72.9±9.9 | N.S. |
Action potential duration (ms) | 0.61±0.12 | 0.61±0.12 | N.S. |
Inferred neuron-electrophysiology data values
Neuron Type | Neuron Description | Ephys Prop | Extracted Value | Standardized Value | Content Source |
---|---|---|---|---|---|
Neostriatum medium spiny neuron | Striatum Spiny Neuron | other | -65.9 ± 7.7 (33) | -65.9 (None) | Data Table |
Neostriatum medium spiny neuron | Striatum Spiny Neuron | resting membrane potential | -84.8 ± 6.5 (33) | -84.8 (mV) | Data Table |
Neostriatum medium spiny neuron | Striatum Spiny Neuron | input resistance (MΩ) | 30.3 ± 13.0 (33) | 30.3 (MΩ) | Data Table |
Neostriatum medium spiny neuron | Striatum Spiny Neuron | spike threshold (mV) | -48.3 ± 4.9 (33) | -48.3 (mV) | Data Table |
Neostriatum medium spiny neuron | Striatum Spiny Neuron | spike amplitude (mV) | 74.7 ± 11.6 (33) | 74.7 (mV) | Data Table |
Neostriatum medium spiny neuron | Striatum Spiny Neuron | spike half-width (ms) | 0.61 ± 0.12 (33) | 0.61 (ms) | Data Table |