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  • Title: Sleep-related penile erections do not occur in rats during carbachol-induced rapid eye movement sleep.
    Author: Gulia KK, Mallick HN, Kumar VM.
    Journal: Behav Brain Res; 2004 Oct 05; 154(2):585-7. PubMed ID: 15313048.
    Abstract:
    This study was undertaken to find out whether sleep-related penile erections occur in the carbachol-induced rapid eye movement sleep model in rats. Bulbospongiosus EMG, as a measure of penile erection, was recorded along with EEG, EMG, and EOG during normal sleep-wakefulness. These parameters were again recorded after injection of carbachol into the pontine tegmentum. Carbachol-induced rapid eye movement sleep was not accompanied by penile erections.
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