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Article: Synaptic alpha 5 subunit-containing GABAA receptors mediate IPSPs elicited by dendrite-preferring cells in rat neocortex.

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Ali AB; Thomson AM
Cereb. Cortex, 2008


Table 1

Electrophysiological properties of presynaptic multipolar and bitufted interneurons

Presynaptic AP properties Input resistance (MΩ) Time constant (ms)
Spike HW (ms) AHP amplitude (mV) AHP HW (ms)
Multipolar, nonadapting cells, mean ± SD 1.0 ± 0.25a (n = 6) -13.0 ± 1.8a (n = 6) 4.6 ± 1.4a (n = 6) 220 ± ±31.0a (n = 5) 17 ± 4.0a (n = 5)
Multipolar, adapting cells, mean ± SD 1.4 ± 0.13a,b (n = 10) -9.4 ± 2.60a,b (n = 10) 5.6 ± 1.1a,b (n = 10) 287 ± 41.0a,b (n = 5) 24 ± 1.0a,b (n = 5)
Bitufted cells, mean ± SD 1.7 ± 0.44a,b (n = 13) -6.0 ± 2.3a,b (n = 13) 6.0 ± 1.2a,b (n = 13) 400 ± 56a,b (n = 6) 29.2 ± 3.0a,b (n = 6)

  • Note: HW = half width; SD = standard deviation.

  • ↵a Significantly different from the other 2 subclasses of interneurons, 1-way analysis of variance, P ≤ 0.05.

  • ↵b Significantly different from multipolar, nonadapting cells, unpaired t-test, P ≥ 0.05.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex uncharacterized cell somatosensory cortex round aspiny multipolar nonadapting firing pattern interneuron AHP amplitude from resting (mV) -13.0 ± 1.8 13.0 (mV) Data Table
Neocortex uncharacterized cell somatosensory cortex round aspiny multipolar nonadapting firing pattern interneuron AHP duration (ms) 4.6 ± 1.4 4.6 (ms) Data Table
Neocortex uncharacterized cell somatosensory cortex round aspiny multipolar nonadapting firing pattern interneuron input resistance (MΩ) 220.0 220.0 (MΩ) Data Table
Neocortex uncharacterized cell somatosensory cortex round aspiny multipolar nonadapting firing pattern interneuron membrane time constant (ms) 17.0 ± 4.0 17.0 (ms) Data Table
Neocortex uncharacterized cell somatosensory cortex aspiny multipolar adapting firing pattern interneuron spike half-width (ms) 1.4 ± 0.13 1.4 (ms) Data Table
Neocortex uncharacterized cell somatosensory cortex aspiny multipolar adapting firing pattern interneuron AHP amplitude from resting (mV) -9.4 ± 2.6 9.4 (mV) Data Table
Neocortex uncharacterized cell somatosensory cortex aspiny multipolar adapting firing pattern interneuron AHP duration (ms) 5.6 ± 1.1 5.6 (ms) Data Table
Neocortex uncharacterized cell somatosensory cortex aspiny multipolar adapting firing pattern interneuron input resistance (MΩ) 287.0 ± 41.0 287.0 (MΩ) Data Table
Neocortex uncharacterized cell somatosensory cortex aspiny multipolar adapting firing pattern interneuron membrane time constant (ms) 24.0 ± 1.0 24.0 (ms) Data Table
Neocortex interneuron deep somatosensory cortex layer 2-5 smooth oval bitufted dendrite-preferring interneuron spike half-width (ms) 1.7 ± 0.44 1.7 (ms) Data Table
Neocortex interneuron deep somatosensory cortex layer 2-5 smooth oval bitufted dendrite-preferring interneuron AHP amplitude from resting (mV) -6.0 ± 2.3 6.0 (mV) Data Table
Neocortex interneuron deep somatosensory cortex layer 2-5 smooth oval bitufted dendrite-preferring interneuron AHP duration (ms) 6.0 ± 1.2 6.0 (ms) Data Table
Neocortex interneuron deep somatosensory cortex layer 2-5 smooth oval bitufted dendrite-preferring interneuron input resistance (MΩ) 400.0 ± 56.0 400.0 (MΩ) Data Table
Neocortex interneuron deep somatosensory cortex layer 2-5 smooth oval bitufted dendrite-preferring interneuron membrane time constant (ms) 29.2 ± 3.0 29.2 (ms) Data Table
Neocortex uncharacterized cell somatosensory cortex round aspiny multipolar nonadapting firing pattern interneuron spike half-width (ms) 1.0 ± 0.25 1.0 (ms) Data Table