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Article: Laminar localization, morphology, and physiological properties of pyramidal neurons that have the low-threshold calcium current in the guinea-pig medial frontal cortex.

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de la Peña E; Geijo-Barrientos E
J. Neurosci., 1996


Table 2.

Electrophysiological properties of LTS+ and LTS−

LTS+ neurons LTS− neurons
Membrane potential (mV) −57.0  ± 0.96 (26) −57.4  ± 1.42 (18)
Action potential amplitude (mV) 71.4  ± 1.67 (26)* 77.1  ± 1.83 (18)*
Action potential duration (msec) 1.52  ± 0.09 (26)2_a 1.19  ± 0.08 (18)2_a
Input resistance (MΩ) 66.0  ± 6.42 (26) 57.3  ± 5.49 (18)

  • *p < 0.05 (Student’s t test).

  • ↵F2_a The distributions of this parameter did not meet the criteria for normal distribution and were compared with the Mann–Whitney rank sum test, being the difference significant (p < 0.02; medians 1.40 msec, LTS+ and 1.10 msec, LTS−).

  • The amplitude of the action potentials was measured from the threshold level, and the duration was measured at half-amplitude. The input resistance was measured from the response to small (−0.1 nA) hyperpolarizing current pulses. Values are given as mean ± SEM (n).


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI low-threshold calcium spiking pyramidal cell resting membrane potential (mV) -57.0 ± 0.96 (26) -57.0 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI non-low-threshold calcium spiking pyramidal cell resting membrane potential (mV) -57.4 ± 1.42 (18) -57.4 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI low-threshold calcium spiking pyramidal cell spike amplitude (mV) 71.4 ± 1.67 (26) 71.4 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI non-low-threshold calcium spiking pyramidal cell spike amplitude (mV) 77.1 ± 1.83 (18) 77.1 (mV) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI low-threshold calcium spiking pyramidal cell spike half-width (msec) 1.52 ± 0.09 (26) 1.52 (ms) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI non-low-threshold calcium spiking pyramidal cell spike half-width (msec) 1.19 ± 0.08 (18) 1.19 (ms) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI low-threshold calcium spiking pyramidal cell input resistance (MΩ) 66.0 ± 6.42 (26) 66.0 (MΩ) Data Table
Neocortex pyramidal cell layer 5-6 Medial frontal cortex layer V/VI non-low-threshold calcium spiking pyramidal cell input resistance (MΩ) 57.3 ± 5.49 (18) 57.3 (MΩ) Data Table