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Article: Hippocampal heterotopia with molecular and electrophysiological properties of neocortical neurons.

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Castro PA; Pleasure SJ; Baraban SC
Neuroscience, 2002


Table 1Intrinsic neuronal properties
Cell typeRMP (mV)Rin (MΩ)AP rise (ms)AP decay (ms)AP half-width (ms)AP amp. (mV)AP thresh. (mV)Sag amp. (mV)Sag ratioSpike AHP amp. (mV)fAHPfADP
Control CA1 pyramidal−66.6±0.6142.1±7.90.24±0.010.41±0.020.66±0.0397.4±3.2−47.9±1.094.9±0.41.38±0.0273.7±3.5yesyes
Control cortex−68.8±2.1384.8±71.4*, ****0.24±0.040.42±0.120.65±0.1387.2±8.5−39.5±3.2*, ****1.4±0.5*, ****1.06±0.03, ****279.4±48.3*, ****nono
MAM heterotopic−67.6±1.2346.5±61.3**, ***0.35±0.040.88±0.13**, ***1.08±0.13**, ***92.2±2.7−36.4±1.0**1.5±0.3**, ***1.07±0.02**, ***341.5±69.9**, ***nono
MAM normotopic−67.2±1.4153.5±15.10.23±0.020.43±0.030.66±0.04103.6±3.9−43.1±3.85.3±1.01.39±0.0467.9±8.2yesyes
All data was analyzed using a Kruskal–Wallis one-way ANOVA with a post hoc Dunn’s test for multiple paired comparisons. *P<0.05 for comparisons between control cortex and control CA1; **P<0.05 for comparisons between control CA1 and MAM heterotopic. ***P<0.05 for comparisons between MAM heterotopic and MAM normotopic; ****P<0.05 for comparisons between control CA1 and control cortex. Each group represents data from between 4 and 13 neurons. Values represent mean ±S.E.M. RMP, resting membrane potential.

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -66.6 ± 0.6 -66.6 (mV) Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 142.1 ± 7.9 142.1 (MΩ) Data Table
Hippocampus CA1 pyramidal cell spike rise time (ms) 0.24 ± 0.01 0.24 (ms) Data Table
Hippocampus CA1 pyramidal cell spike decay time (ms) 0.41 ± 0.02 0.41 (ms) Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 0.66 ± 0.03 0.66 (ms) Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 97.4 ± 3.2 97.4 (mV) Data Table
Hippocampus CA1 pyramidal cell spike threshold (mV) -47.9 ± 1.09 -47.9 (mV) Data Table
Hippocampus CA1 pyramidal cell sag amplitude (mV) 4.9 ± 0.4 4.9 (mV) Data Table
Hippocampus CA1 pyramidal cell sag ratio 1.38 ± 0.02 1.38 (ratio) Data Table
Hippocampus CA1 pyramidal cell AHP amplitude (mV) 73.7 ± 3.5 -- Data Table
Neocortex pyramidal cell layer 2-3 resting membrane potential (mV) -68.8 ± 2.1 -68.8 (mV) Data Table
Neocortex pyramidal cell layer 2-3 input resistance (MΩ) 384.8 ± 71.4 384.8 (MΩ) Data Table
Neocortex pyramidal cell layer 2-3 spike rise time (ms) 0.24 ± 0.04 0.24 (ms) Data Table
Neocortex pyramidal cell layer 2-3 spike decay time (ms) 0.42 ± 0.12 0.42 (ms) Data Table
Neocortex pyramidal cell layer 2-3 spike half-width (ms) 0.65 ± 0.13 0.65 (ms) Data Table
Neocortex pyramidal cell layer 2-3 spike amplitude (mV) 87.2 ± 8.5 87.2 (mV) Data Table
Neocortex pyramidal cell layer 2-3 spike threshold (mV) -39.5 ± 3.2 -39.5 (mV) Data Table
Neocortex pyramidal cell layer 2-3 sag amplitude (mV) 1.4 ± 0.5 1.4 (mV) Data Table
Neocortex pyramidal cell layer 2-3 sag ratio 1.06 ± 0.03 1.06 (ratio) Data Table
Neocortex pyramidal cell layer 2-3 AHP amplitude (mV) 279.4 ± 48.3 -- Data Table