Neuron Type | Group | RMP, mV | AP Overshoot, mV | AP Threshold, mV | Membrane Impedance, MΩ | AP Half-Height Weidth, ms | Spontaneous APs |
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Stratum radiatm-L/M interneurons | Control (35) | −60 ± 0.9 | 20 ± 1.4* | −45 ± 0.7 | 279 ± 15 | 1.2 ± 0.1 | 18% |
post-SSLSE (27) | −59 ± 1 | 24 ± 1* | −46 ± 0.6 | 274 ± 19 | 1.2 ± 0.04 | 38% | |
Stratum oriens interneurons | Control (19) | −57 ± 1 | 24 ± 2 | −47 ± 0.8 | 272 ± 25 | 1.1 ± 0.1 | 61% |
post-SSLSE (12) | −59 ± 2 | 25 ± 3 | −48 ± 1 | 394 ± 71 | 1.2 ± 0.1 | 50% | |
Pyramidal cells | All (32) | −63 ± 1** | 42 ± 2** | Not Measured | 70.6 ± 4** | 1.3 ± 0.04 | 0% |
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Parentheses contain number of neurons. Values are means ± SE. The last column is the percentage of cells with spontaneous APs at their RMP. RMP, resting membrane potential; AP, action potential.
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↵* P < 0.05 (t-test) comparing interneurons (same location) in control versus post-SSLSE tissue;** P < 0.001 (t-tests) comparing all pyramidal cells to all interneurons.