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Article: Properties of mouse spinal lamina I GABAergic interneurons.

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Dougherty KJ; Sawchuk MA; Hochman S
J. Neurophysiol., 2005


TABLE 1.

Comparison of intrinsic membrane properties between cells with different firing properties

Single (59) Tonic (46) Initial Burst (28) ANOVA (P)
Membrane potential, mV −62.8 ± 1.1 −63.5 ± 1.0 −61.5 ± 1.1 0.52
Resistance, MΩ 424 ± 35* 721 ± 48 618 ± 69 <0.0001
τm, ms 16.3 ± 1.2* 30.3 ± 2.0 28.1 ± 2.8 <0.0001
Capacitance, pF 46.2 ± 3.8 48.9 ± 3.9 51.6 ± 5.5 0.69
Rheobase, pA 135 ± 12* 65 ± 5 72 ± 11 <0.0001
Maximum firing frequency, s-1 N/A 38.6 ± 2.1 33.1 ± 2.6 0.34
Spike height, mV 45.3 ± 1.6 53.5 ± 2.4 47.2 ± 3.5 <0.05
Voltage threshold, mV −43.8 ± 1.2 −44.5 ± 1.2 −47.6 ± 1.6 0.17

  • Values are means ± SE. Number of cells in parentheses.

  • ↵* Significantly different from both tonic and initial burst.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Spinal cord ventral horn interneuron II membrane time constant (ms) 16.3 ± 1.2 (59) 16.3 (ms) Data Table
Spinal cord ventral horn interneuron II cell capacitance (pF) 46.2 ± 3.8 (59) 46.2 (pF) Data Table
Spinal cord ventral horn interneuron II resting membrane potential (mV) -62.8 ± 1.1 (59) -62.8 (mV) Data Table
Spinal cord ventral horn interneuron II rheobase (pA) 135.0 ± 12.0 (59) 135.0 (pA) Data Table
Spinal cord ventral horn interneuron II spike amplitude (mV) 45.3 ± 1.6 (59) 45.3 (mV) Data Table
Spinal cord ventral horn interneuron II spike threshold (mV) -43.8 ± 1.2 (59) -43.8 (mV) Data Table
Spinal cord ventral horn interneuron II input resistance (MΩ) 424.0 ± 35.0 (59) 424.0 (MΩ) Data Table