Table 4.

Intrinsic properties of L2/3 PNs split by control and epilepsy subtype

Intrinsic propertyControl (n = 26, 5)MCD (n = 37, 13)Other epilepsies (n = 45, 15)Statistical comparison (p value)
Resting membrane potential (mV)−69.98 ± 1.19−68.12 ± 7.13−67.76 ± 5.20

ANOVA

p = 0.3464

Input resistance (MΩ)95.21 ± 36.54137.20 ± 63.21111.80 ± 67.72

KW test

p = 0.0068

Voltage sag (%)8.42 ± 4.955.20 ± 2.345.26 ± 2.88

KW test

p = 0.0137

Membrane decay (ms)26.23 ± 7.9526.7 ± 7.3726.77 ± 7.43

KW test

p = 0.9238

AP threshold (mV)−45.26 ± 5.61−35.62 ± 6.09−38.16 ± 4.75

KW test

p < 0.0001

AP amplitude (mV)84.07 ± 8.7375.60 ± 8.3784.64 ± 7.08

KW test

p < 0.0001

AP half-width (ms)1.33 ± 0.261.21 ± 0.331.38 ± 0.33

KW test

p = 0.0064

AHP magnitude (mV)−12.87 ± 3.19−15.29 ± 3.19−14.94 ± 3.36

ANOVA

p = 0.0102

AHP latency (ms)10.58 ± 5.128.92 ± 6.328.65 ± 5.56

KW test

p = 0.0843

ΔAHP (mV)−3.44 ± 3.10−3.86 ± 3.28−3.42 ± 2.73

KW test

p = 0.9027

AP broadening ratio1.23 ± 0.091.28 ± 0.101.25 ± 0.10

KW test

p = 0.1324

AP amplitude adaptation ratio0.95 ± 0.050.91 ± 0.060.94 ± 0.04

Welch's

p = 0.0421

Maximum firing rate (Hz)32.80 ± 10.2926.68 ± 10.3324.34 ± 8.10

ANOVA

p = 0.0022

Accommodation ratio0.46 ± 0.210.38 ± 0.160.48 ± 0.18

Welch's

p = 0.0359

Maximum depolarization slope (dV/dT)250.20 ± 44.25211.80 ± 50.45218.50 ± 48.12

ANOVA

p = 0.0062

Maximum repolarization slope (dV/dT)−53.85 ± 14.93−52.61 ± 12.97−48.26 ± 11.89

KW test

p = 0.0917

  • Intrinsic properties of L2/3 PNs from control, MCD and OE ex vivo brain tissue.