Table 1. Summary of EDL muscle electrophysiological properties in wild-type (WT) and Sod1 ^−/− mice.

	WT	Sod1 −/−
Number of mice (total number of NMJ)	N = 4 (20)	N = 5 (24)
Resting membrane potential (mV)	−73.32±0.53	−71.73±1.43
Input resistance (MOhm)	2.71±0.04	2.04±0.31
mEPP amplitude (mV)	0.46±0.03	0.44±0.02
mEPP frequency (Hz)	3.74±0.59	0.78±0.12**
t(1/2) of mEPP, (ms)	2.07±0.06	2.10±0.04
EPP amplitude (mV)	27.70±1.61	19.70±1.71*
Quantal content	93±8	63±8*

Values are mean ± standard errors. N depicts the number of animals used, and n depicts the total number of NMJs sampled. Statistics: t-test, *p<0.05 and **p<0.01.