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Article: Prolonged synaptic integration in perirhinal cortical neurons.

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Beggs JM; Moyer JR; McGann JP; Brown TH
J. Neurophysiol., 2000


Table 1.

Summary of membrane properties of layer II/III pyramidal neurons in rat perirhinal cortex

Cell Classification
Total LS neurons RS neurons
Resting membrane potential, mV −78.3  ±  0.5 −77.9  ±  0.8 −78.9  ±  0.7
Input resistance, MΩ 308.1  ±  17.5 326.0  ±  22.7 281.3  ±  27.2
τm, ms 69.3  ±  3.1 76.8  ±  4.1* 58.1  ±  3.6*
Spike threshold, mV −49.8  ±  0.6 −49.3  ±  0.7 −50.6  ±  1.0
Spike overshoot, mV 28.5  ±  1.4 27.8  ±  2.1 29.6  ±  1.8

  • Values are means ± SE. Total number of cells is 55; number of LS neurons is 33 and RS neurons is 22. LS and RS refer to late spiking and regular spiking neurons; τm is the time constant of membrane voltage response. * τm is significantly larger in LS cells than in RS cells, P < 0.005.


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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 2-3 Perirhinal cortex layer 2-3 late spiking pyramidal neuron membrane time constant (ms) 76.8 ± 4.1 (33) 76.8 (ms) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 regular spiking pyramidal neuron membrane time constant (ms) 58.1 ± 3.6 (22) 58.1 (ms) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 late spiking pyramidal neuron spike threshold (mV) -49.3 ± 0.7 (33) -49.3 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 regular spiking pyramidal neuron spike threshold (mV) -50.6 ± 1.0 (22) -50.6 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 late spiking pyramidal neuron spike peak (mV) 27.8 ± 2.1 (33) 27.8 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 regular spiking pyramidal neuron spike peak (mV) 29.6 ± 1.8 (22) 29.6 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 late spiking pyramidal neuron resting membrane potential (mV) -77.9 ± 0.8 (33) -77.9 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 regular spiking pyramidal neuron resting membrane potential (mV) -78.9 ± 0.7 (22) -78.9 (mV) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 late spiking pyramidal neuron input resistance (MΩ) 326.0 ± 22.7 (33) 326.0 (MΩ) Data Table
Neocortex pyramidal cell layer 2-3 Perirhinal cortex layer 2-3 regular spiking pyramidal neuron input resistance (MΩ) 281.3 ± 27.2 (22) 281.3 (MΩ) Data Table