Dynamics of neuronal activity in the posterior hypothalamus during alternating phases of the sleep-wake cycle

The dynamics of neuronal activity in the posterior hypothalamus in different phases of the sleep-wake cycle were investigated during experiments on free-ranging cats. The highest frequency discharges were found to occur in 89.3% of neurons belonging to this region during the stages of active wakeful...

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Bibliographic Details
Published in:Neurophysiology (New York) 1988-03, Vol.20 (2), p.117-122
Main Authors: Oniani, T. N., Gvetadze, L. B., Mandzhavidze, Sh. D.
Format: Article
Language:English
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Summary:The dynamics of neuronal activity in the posterior hypothalamus in different phases of the sleep-wake cycle were investigated during experiments on free-ranging cats. The highest frequency discharges were found to occur in 89.3% of neurons belonging to this region during the stages of active wakefulness and emotionally influenced paradoxical sleep. These neurons become less active during restful wakefulness and the unemotional stage of paradoxical sleep. The neurophysiological mechanisms governing the sleep-wake cycle and how the posterior hypothalamus contributes to these mechanisms are discussed.
ISSN:0090-2977
1573-9007
DOI:10.1007/BF02141325