Table 1.

Peak amplitude and decay time constant of mEPCs

Age	wt		AChRɛ−/−
	A, nA	τ, ms	A, nA	τ, ms
P4–P5	3.3  ±  0.5	4.2  ±  0.3	3.4  ±  0.4	5.1  ±  0.6
P30–P32	3.3  ±  0.5	1.3  ±  0.1	2.1  ±  0.3	4.7  ±  0.6
P65–P75	3.1  ±  0.4	1.1  ±  0.1	0.9  ±  0.2	4.4  ±  0.7

The mean peak amplitude (A) and decay time constants (τ) of mEPCs recorded from hemidiaphragms of wild-type (wt) or AChRɛ^−/− mice were determined for each end plate from between 45 and 210 mEPCs measured individually. All mEPCs had fast rise times (<0.5 ms for 20–80% peak amplitude rise time). Means ± 1 SD are given, and the number of end plates was between 7 and 9 for each mean. All experiments at −70 mV, temperature 20–21°C.