Spontaneous and elicited PGO spikes in rats.


High-amplitude waves, similar in distribution and configuration to ponto-geniculo-occipital (PGO) spikes recorded in cats, were recorded from the area of the locus coeruleus of chronically implanted, unanesthetized albino rats. The mean frequency of spiking during paradoxical sleep (PS) was 19 per min and the amplitudes of the spikes ranged from 0.07 to 0… (More)


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