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Article: Contribution of persistent sodium current to locomotor pattern generation in neonatal rats.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Tazerart S; Viemari JC; Darbon P; Vinay L; Brocard F
J. Neurophysiol., 2007



TABLE 1.Passive and active membrane properties of interneurons and motoneurons


Interneuron Motoneuron

n 41 27
Vm,mV –68.5 ± 2.8 (13)** –78.5 ± 1.4 (27)
Rm, MΩ 886.5 ± 117.5 (25)*** 82.0 ± 10.6 (17)
τ, ms 60.1 ± 3.8 (25)*** 18.5 ± 3.3 (17)
AP amplitude, mV 62.0 ± 1.71** (24) 72.0 ± 2.7 (16)
AP duration, ms 1.6 ± 0.1* (24) 1.18 ± 0.1 (16)
AP threshold, mV –55.8 ± 1.0** (24) –61.2 ± 1.2 (16)
Rheobase, pA 31.4 ± 4.7*** (24) 329.1 ± 75.0 (16)
Firing frequency, Hz 11.43 ± 1.095** (24) 21.29 ± 2.357 (16)
AHP amplitude, mV –7.1 ± 0.44*** (21) –11.6 ± 0.7 (16)
AHP duration, ms 132.2 ± 12.8*** (21) 72.9 ± 5.2 (16)
Sag, % 17.6 ± 1.9 (22) 11.3 ± 0.9 (13)

Values are means ± SE; n, number of cells. Numbers of observations are in parentheses. Mean firing frequency was measured at twofold the rheobase. Statistical significance was assessed by Student's unpaired t-test:

* P < 0.05;

** P < 0.01;

*** P < 0.001 versus motoneurons.


Report miscurated data

Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other lumbar spinal cord Ventromedial Greymatter Interneuron resting membrane potential (mV) -68.5 ± 2.8 (41) -68.5 (mV) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron resting membrane potential (mV) -78.5 ± 1.4 (27) -78.5 (mV) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron input resistance (MΩ) 886.5 ± 117.5 (41) 886.5 (MΩ) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron input resistance (MΩ) 82.0 ± 10.6 (27) 82.0 (MΩ) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron membrane time constant (ms) 60.1 ± 3.8 (41) 60.1 (ms) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron membrane time constant (ms) 18.5 ± 3.3 (27) 18.5 (ms) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron spike amplitude (mV) 62.0 ± 1.71 (41) 62.0 (mV) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron spike amplitude (mV) 72.0 ± 2.7 (27) 72.0 (mV) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron spike width (ms) 1.6 ± 0.1 (41) 1.6 (ms) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron spike width (ms) 1.18 ± 0.1 (27) 1.18 (ms) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron spike threshold (mV) -55.8 ± 1.0 (41) -55.8 (mV) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron spike threshold (mV) -61.2 ± 1.2 (27) -61.2 (mV) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron rheobase (pA) 31.4 ± 4.7 (41) 31.4 (pA) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron rheobase (pA) 329.1 ± 75.0 (27) 329.1 (pA) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron firing frequency (Hz) 11.43 ± 1.095 (41) 11.43 (Hz) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron firing frequency (Hz) 21.29 ± 2.357 (27) 21.29 (Hz) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron AHP amplitude (mV) -7.1 ± 0.44 (41) 7.1 (mV) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron AHP amplitude (mV) -11.6 ± 0.7 (27) 11.6 (mV) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron AHP duration (ms) 132.2 ± 12.8 (41) 132.2 (ms) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron AHP duration (ms) 72.9 ± 5.2 (27) 72.9 (ms) Data Table
Other lumbar spinal cord Ventromedial Greymatter Interneuron sag ratio 17.6 ± 1.9 (41) 0.176 (ratio) Data Table
Spinal cord ventral horn motor neuron alpha lumbar spinal cord Ventromedial Greymatter Motorneuron sag ratio 11.3 ± 0.9 (27) 0.113 (ratio) Data Table