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Article: Specificity of synaptic connectivity between layer 1 inhibitory interneurons and layer 2/3 pyramidal neurons in the rat neocortex.

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Wozny C; Williams SR
Cereb. Cortex, 2011


Table 1

Intrinsic properties of L1 neurons

RMP (mV) Rin (MΩ) Firing Freqinitial.(Hz) AP1 half-width (ms) Accommodation index (t(AP2 - AP1)/t(APn-1 - APn))
Petilla
    NGFC (72) -73.4 ± 0.5 107 ± 3 23.0 ± 1.6 0.48 ± 0.01 1.12 ± 0.04
    FS (23) -72.0 ± 1.1 87 ± 7 93.0 ± 12.5 0.28 ± 0.01 0.93 ± 0.1
    c-AC (137) 67.3 ± 0.4 166 ± 5 44.5 ± 4.2 0.5 ± 0.01 0.50 ± 0.02
    BS (34) -69.2 ± 0.9 201 ± 15 285.9 ± 11.3 0.43 ± 0.01 0.09 ± 0.01
Clustering
    Cluster 1 (81) (81% NGFC) -74.0 ± 0.4 (-74.1 ± 0.5) 108 ± 3 (106 ± 3) 23.8 ± 2.3 (21.7 ± 1.5) 0.49 ± 0.1 (0.48 ± 0.01) 1.06 ± 0.04 (1.14 ± 0.04)
    Cluster 2 (24) (96% FS) -72.0 ± 1.1 (-72.0 ± 1.1) 88 ± 7 (87 ± 8) 92.8 ± 12.0 (93.0 ± 12.5) 0.28 ± 0.01 (0.28 ± 0.01) 0.91 ± 0.1 (0.93 ± 0.1)
    Cluster 3 (125) (94% c-AC) -66.2 ± 0.4 (-66.4 ± 0.4) 167 ± 4 (169 ± 4) 41.2 ± 3.2 (39.7 ± 3.2) 0.50 ± 0.01 (0.50 ± 0.01) 0.51 ± 0.02 (0.49 ± 0.02)
    Cluster 4 (36) (89% BS) -69.7 ± 0.7 (-69.8 ± 0.8) 209 ± 17 (202 ± 16) 286.3 ± 11.3 (295.2 ± 9.9) 0.43 ± 0.01 (0.43 ± 0.01) 0.09 ± 0.01 (0.08 ± 0.01)
  • Petilla: The active and passive properties of L1 neurons grouped according to the Petilla classification scheme (c-AC, NGFC, FS, and BS). Number of neurons are given in brackets. Clustering: unsupervised clustering (hierarchical clustering using Ward's method) was performed and a cut off criteria was determined to reveal 4 clusters. Number of neurons in each cluster are given in brackets. The primary composition of neurons in each cluster when identified by the Petilla classification scheme are indicated: 81% of neurons in cluster 1 were NGFCs, 96% of neurons in cluster 2 FS neurons, 94% of neurons in cluster 3 c-AC neurons, and 89% of neurons in cluster 4 BS neurons. The average values for the active and passive properties for the primary composition of neurons in each cluster. All values are given as mean ± standard error of the mean.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other somatosensory neocortex layer 1 neurogliaform cells input resistance (MΩ) 107.0 ± 3.0 (72) 107.0 (MΩ) Data Table
Other somatosensory neocortex layer 1 neurogliaform cells firing frequency (Hz) 23.0 ± 1.6 (72) 23.0 (Hz) Data Table
Other somatosensory neocortex layer 1 neurogliaform cells spike half-width (ms) 0.48 ± 0.01 (72) 0.48 (ms) Data Table
Other somatosensory neocortex layer 1 neurogliaform cells adaptation ratio 1.12 ± 0.04 (72) 1.12 (ratio) Data Table
Other somatosensory neocortex layer 1 fast-spiking cells resting membrane potential (mV) -72.0 ± 1.1 (23) -72.0 (mV) Data Table
Other somatosensory neocortex layer 1 fast-spiking cells input resistance (MΩ) 87.0 ± 7.0 (23) 87.0 (MΩ) Data Table
Other somatosensory neocortex layer 1 fast-spiking cells firing frequency (Hz) 93.0 ± 12.5 (23) 93.0 (Hz) Data Table
Other somatosensory neocortex layer 1 fast-spiking cells spike half-width (ms) 0.28 ± 0.01 (23) 0.28 (ms) Data Table
Other somatosensory neocortex layer 1 fast-spiking cells adaptation ratio 0.93 ± 0.1 (23) 0.93 (ratio) Data Table
Other somatosensory neocortex layer 1 classical-accomodating cells resting membrane potential (mV) 67.3 ± 0.4 (137) -67.3 (mV) Data Table
Other somatosensory neocortex layer 1 classical-accomodating cells input resistance (MΩ) 166.0 ± 5.0 (137) 166.0 (MΩ) Data Table
Other somatosensory neocortex layer 1 classical-accomodating cells firing frequency (Hz) 44.5 ± 4.2 (137) 44.5 (Hz) Data Table
Other somatosensory neocortex layer 1 classical-accomodating cells spike half-width (ms) 0.5 ± 0.01 (137) 0.5 (ms) Data Table
Other somatosensory neocortex layer 1 classical-accomodating cells adaptation ratio 0.5 ± 0.02 (137) 0.5 (ratio) Data Table
Other somatosensory neocortex layer 1 burst-spiking cells resting membrane potential (mV) -69.2 ± 0.9 (34) -69.2 (mV) Data Table
Other somatosensory neocortex layer 1 burst-spiking cells input resistance (MΩ) 201.0 ± 15.0 (34) 201.0 (MΩ) Data Table
Other somatosensory neocortex layer 1 burst-spiking cells firing frequency (Hz) 285.9 ± 11.3 (34) 285.9 (Hz) Data Table
Other somatosensory neocortex layer 1 burst-spiking cells spike half-width (ms) 0.43 ± 0.01 (34) 0.43 (ms) Data Table
Other somatosensory neocortex layer 1 burst-spiking cells adaptation ratio 0.09 ± 0.01 (34) 0.09 (ratio) Data Table
Other somatosensory neocortex layer 1 neurogliaform cells resting membrane potential (mV) -73.4 ± 0.5 (72) -73.4 (mV) Data Table