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Article: Differential effects of corticosterone on the slow afterhyperpolarization in the basolateral amygdala and CA1 region: possible role of calcium channel subunits.

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Liebmann L; Karst H; Sidiropoulou K; van Gemert N; Meijer OC; Poirazi P; Joëls M
J. Neurophysiol., 2008



TABLE 1.Passive and active membrane properties in principal neurons of the CA1 hippocampal area and the BLA are not affected 1–4 h after corticosterone treatment compared with vehicle
Vehicle Corticosterone
A. Mouse CA1 neurons (n = 11 vs. 12)
Resting membrane potential, mV –65.0 ± 1.0 –65.0 ± 1.0
Input resistance, MΩ 191.0 ± 13.0 199.0 ± 12.0
Action potential threshold, mV –46.0 ± 2.0 –48.0 ± 1.0
Action potential half-width, ms 1.43 ± 0.07 1.50 ± 0.07
Action potential rise time, ms 0.99 ± 0.09 0.89 ± 0.04
Action potential height, mV 90.0 ± 6.0 92.0 ± 6.0
B. Mouse BLA neurons (n = 11 vs. 12)
Resting membrane potential, mV –68.0 ± 1.0 –67.0 ± 1.0
Input resistance, MΩ 244.0 ± 20.0 223.0 ± 21.0
Action potential threshold, mV –35.0 ± 3.0 –35.0 ± 2.0
Action potential half-width, ms 1.01 ± 0.09 1.17 ± 0.09
Action potential rise time, ms 0.76 ± 0.07 0.87 ± 0.06
Action potential height, mV 82.0 ± 4.0 72.0 ± 6.0
C. Rat BLA neurons, solution I (n = 11 vs. 11)
Resting membrane potential, mV –66.0 ± 1.0 –67.0 ± 1.0
Input resistance, MΩ 113.0 ± 7.0 131.0 ± 9.0
Action potential threshold, mV –31.0 ± 2.0 –31.0 ± 1.0
Action potential half-width, ms 0.94 ± 0.06 1.01 ± 0.05
Action potential rise time, ms 0.77 ± 0.05 0.80 ± 0.05
Action potential height, mV 63.0 ± 2.0 58.0 ± 2.0
D. Rat BLA neurons, solution II (n = 9 vs. 9)
Resting membrane potential, mV –60.0 ± 1.0 –60.0 ± 1.0
Input resistance, MΩ 124.0 ± 11.0 113.0 ± 12.0
Action potential threshold, mV –35.0 ± 2.0 –32.0 ± 2.0
Action potential half-width, ms 1.09 ± 0.08 0.99 ± 0.06
Action potential rise time, ms 0.97 ± 0.03 1.01 ± 0.01
Action potential height, mV 71.0 ± 3.0 73.0 ± 1.0
Values are means ± SE, number of cells (n) indicated in parentheses. The lack of effect in BLA occurred irrespective of the species and recording solution (for details see METHODS).

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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 input resistance (MΩ) 191.0 ± 13.0 -- Data Table
Hippocampus CA1 pyramidal cell spike threshold (mV) -46.0 ± 2.0 -- Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 1.43 ± 0.07 -- Data Table
Hippocampus CA1 pyramidal cell spike rise time (ms) 0.99 ± 0.09 -- Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 90.0 ± 6.0 -- Data Table
Other Basolateral Amygdala Principle Cell resting membrane potential (mV) 11.0 -- Data Table
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -68.0 ± 1.0 -- Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 244.0 ± 20.0 -- Data Table
Hippocampus CA1 pyramidal cell spike threshold (mV) -35.0 ± 3.0 -- Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 1.01 ± 0.09 -- Data Table
Hippocampus CA1 pyramidal cell spike rise time (ms) 0.76 ± 0.07 -- Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 82.0 ± 4.0 -- Data Table
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -66.0 ± 1.0 -- Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 113.0 ± 7.0 -- Data Table
Hippocampus CA1 pyramidal cell spike threshold (mV) -31.0 ± 2.0 -- Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 0.94 ± 0.06 -- Data Table
Hippocampus CA1 pyramidal cell spike rise time (ms) 0.77 ± 0.05 -- Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 63.0 ± 2.0 -- Data Table
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -60.0 ± 1.0 -- Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 124.0 ± 11.0 -- Data Table
Hippocampus CA1 pyramidal cell spike threshold (mV) -35.0 ± 2.0 -- Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 1.09 ± 0.08 -- Data Table
Hippocampus CA1 pyramidal cell spike rise time (ms) 0.97 ± 0.03 -- Data Table
Hippocampus CA1 pyramidal cell spike amplitude (mV) 71.0 ± 3.0 -- Data Table
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -65.0 ± 1.0 -- Data Table