Relative power contributions of unit discharges simultaneously recorded in the mesencephalic reticular formation.

Abstract:

:In order to investigate mutual interactions between neuronal discharges in the mesencepahlic reticular formation, relative power contributions (RPC) were estimated during sleep-wake cycles and serotonin (5HT)-depleted conditions by the administration of parachlorophenylalanine (PCPA). The RPC for most of the neurons dominated in the lower frequency range below 0.4 Hz during rapid eye movement (REM) sleep and the PCPA-treated conditions, which were qualitatively reproduced by the neural network model under global disinhibition. The results supported the hypothesis that the peculiar dynamics of neuronal activities during REM sleep, 1/f fluctuations, were generated by neuronal interactions augmented by the release from the global inhibition of 5HT.

authors

Kodama T,Honda Y,Nakao M,Sato S,Yamamoto M

doi

10.1046/j.1440-1819.2000.00671.x

subject

Has Abstract

pub_date

2000-06-01 00:00:00

pages

265-7

issue

3

eissn

1323-1316

issn

1440-1819

journal_volume

54

pub_type

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