Fig. 2From: Assessment of the septal area neuronal activity during penile erections in rapid eye movement sleep and waking in the ratsChanges in mean firing rate of erection-related neurons at different phases of erection. E1, E2 and E3 subclasses of E-type neurons, I1, I2 and I3 subclasses of I-type neurons, closed circles REM sleep, open circles Waking, EP erection periodBack to article page