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Article: GABAA receptor-mediated currents in interneurons and pyramidal cells of rat visual cortex.

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Xiang Z; Huguenard JR; Prince DA
J. Physiol. (Lond.), 1998


Table 3

Comparisons of evoked monosynaptic IPSCs in interneurons vs. pyramidal cells from P11–14 rats

Parameters Interneurons (n= 6) Pyramidal cells (n= 9) P value
10–90 % rise time (ms) 1.8 ± 0.2 1.8 ± 0.1 > 0.7
Half-width (ms) 24 ± 2 16 ± 1 < 0.01*
90 % decay time (ms) 120 ± 13 58 ± 5 < 0.0005 *
τ1 (ms) 13 ± 2 12 ± 1 > 0.6
τ2 (ms) 64 ± 4 47 ± 3 < 0.005 *
Mean amplitude (pA) 200 ± 46 330 ± 56 > 0.1

  • τ1 and τ2, first and second time constants of evoked IPSC decay.

  • ↵* indicates significance at P < 0.05 level.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex uncharacterized cell Layer 5 visual cortex fast spiking interneurons spike rise time (ms) 1.8 ± 0.2 -- Data Table
Neocortex pyramidal cell layer 5-6 Layer 5 visual cortex pyramidal neurons spike rise time (ms) 1.8 ± 0.1 -- Data Table
Neocortex uncharacterized cell Layer 5 visual cortex fast spiking interneurons spike half-width (ms) 24.0 ± 2.0 -- Data Table
Neocortex pyramidal cell layer 5-6 Layer 5 visual cortex pyramidal neurons spike half-width (ms) 16.0 ± 1.0 -- Data Table
Neocortex uncharacterized cell Layer 5 visual cortex fast spiking interneurons membrane time constant (ms) 13.0 ± 2.0 -- Data Table
Neocortex pyramidal cell layer 5-6 Layer 5 visual cortex pyramidal neurons membrane time constant (ms) 12.0 ± 1.0 -- Data Table
Neocortex uncharacterized cell Layer 5 visual cortex fast spiking interneurons medium AHP amplitude (pA) 200.0 ± 46.0 -- Data Table
Neocortex pyramidal cell layer 5-6 Layer 5 visual cortex pyramidal neurons medium AHP amplitude (pA) 330.0 ± 56.0 -- Data Table