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Article: SP-SR interneurones: a novel class of neurones of the CA2 region of the hippocampus.

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Mercer A; Botcher NA; Eastlake K; Thomson AM
Hippocampus, 2012


Table 1. Electrophysiological Characteristics and Dendritic and Axonal Patterns of Basket Cells of the CA1 and CA2 Regions
Cell typeResting MP (mV)Input resistance(MΩ)Membrane time constant (ms)AP half-width(ms)Sag (mV)Dendritic height(μm)Dendritic width(μm)Axonal width (μm)

  1. Data are represented as mean ± standard deviation (SD). MP, membrane potential; AP, action potential.

CA2 bistratified cells with narrow arbor (n = 9)−72.5 ± 3.783.5 ± 11.713 ± 2.70.4 ± 0.10.2 ± 0.2529 ± 85384 ± 75768 ± 174
CA2 bistratified cells with wide arbor (n = 3)−73.7 ± 299.7 ± 16.612 ± 2.10.5 ± 0.122.7 ± 17.6578 ± 26546 ± 80908 ± 300
CA1 bistratified cells (n = 8)−72.4 ± 6.262 ± 1711.4 ± 2.80.4 ± 0.10.3 ± 0.1581 ± 97329 ± 82809 ± 227
CA2 SP-SR interneurones (n = 8)−71 ± 4.582.6 ± 24.412.7 ± 3.80.5 ± 0.18.1 ± 3.6438 ± 144496 ± 184552 ± 156

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other Hippocampus CA2 bistratified wide arbor cell resting membrane potential (mV) -73.7 ± 2.0 (3) -73.7 (mV) Data Table
Other Hippocampus CA2 bistratified wide arbor cell input resistance (MΩ) 99.7 ± 16.6 (3) 99.7 (MΩ) Data Table
Other Hippocampus CA2 bistratified wide arbor cell membrane time constant (ms) 12.0 ± 2.1 (3) 12.0 (ms) Data Table
Other Hippocampus CA2 bistratified wide arbor cell spike half-width (ms) 0.5 ± 0.1 (3) 0.5 (ms) Data Table
Other Hippocampus CA2 bistratified wide arbor cell sag amplitude (mV) 22.7 ± 17.6 (3) 22.7 (mV) Data Table
Other Hippocampus CA1 bistratified cell resting membrane potential (mV) -72.4 ± 6.2 (8) -72.4 (mV) Data Table
Other Hippocampus CA1 bistratified cell input resistance (MΩ) 62.0 ± 17.0 (8) 62.0 (MΩ) Data Table
Other Hippocampus CA1 bistratified cell membrane time constant (ms) 11.4 ± 2.8 (8) 11.4 (ms) Data Table
Other Hippocampus CA1 bistratified cell spike half-width (ms) 0.4 ± 0.1 (8) 0.4 (ms) Data Table
Other Hippocampus CA1 bistratified cell sag amplitude (mV) 0.3 ± 0.1 (8) 0.3 (mV) Data Table
Other Hippocampus CA2 bistratified narrow arbor cell resting membrane potential (mV) -72.5 ± 3.7 (9) -72.5 (mV) Data Table
Other Hippocampus CA2 stratum pyramidal projecting to stratum radiatum interneuron resting membrane potential (mV) -71.0 ± 4.5 (8) -71.0 (mV) Data Table
Other Hippocampus CA2 stratum pyramidal projecting to stratum radiatum interneuron input resistance (MΩ) 82.6 ± 24.4 (8) 82.6 (MΩ) Data Table
Other Hippocampus CA2 stratum pyramidal projecting to stratum radiatum interneuron membrane time constant (ms) 12.7 ± 3.8 (8) 12.7 (ms) Data Table
Other Hippocampus CA2 stratum pyramidal projecting to stratum radiatum interneuron spike half-width (ms) 0.5 ± 0.1 (8) 0.5 (ms) Data Table
Other Hippocampus CA2 stratum pyramidal projecting to stratum radiatum interneuron sag amplitude (mV) 8.1 ± 3.6 (8) 8.1 (mV) Data Table
Other Hippocampus CA2 bistratified narrow arbor cell input resistance (MΩ) 83.5 ± 11.7 (9) 83.5 (MΩ) Data Table
Other Hippocampus CA2 bistratified narrow arbor cell membrane time constant (ms) 13.0 ± 2.7 (9) 13.0 (ms) Data Table
Other Hippocampus CA2 bistratified narrow arbor cell spike half-width (ms) 0.4 ± 0.1 (9) 0.4 (ms) Data Table
Other Hippocampus CA2 bistratified narrow arbor cell sag amplitude (mV) 0.2 ± 0.2 (9) 0.2 (mV) Data Table