Dot plots and means ± SEM for availability (C), NPo (D), Po (E), unitary current amplitude i (F), and the mean of the current of a single channel calculated from the ensemble averages of each experiment (G) (*
P < 0.05, **
P < 0.01, ****
P < 0.001; unpaired
t‐test;
n = 13–35; see Table
6 for more details).