Cortical activity of REM sleep often occurs earlier than other physiological phenomena

N300 appearing in response to sound stimulus was used as an index to determine the occurrence of cortical activity characterizing REM sleep. In 5/10 subjects, marked reduction of N300 amplitude occurred even in the period of 0.5‐2.5 min immediately preceding the appearance of muscle atonia character...

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Published inPsychiatry and clinical neurosciences Vol. 52; no. 2; pp. 152 - 154
Main Authors NIIYAMA, YOSHITSUGU, SERINE, ATSUSI, FUSHIMI, MASAHITO, HISHIKAWA, YASUO
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.04.1998
Blackwell Publishing
Subjects
Adult
auditory evoked potential
Cerebral Cortex - physiology
cortical activity
Electroencephalography
Evoked Potentials, Auditory - physiology
Humans
Male
Reference Values
REM
sleep
Sleep Stages - physiology
Sleep, REM - physiology
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Summary:N300 appearing in response to sound stimulus was used as an index to determine the occurrence of cortical activity characterizing REM sleep. In 5/10 subjects, marked reduction of N300 amplitude occurred even in the period of 0.5‐2.5 min immediately preceding the appearance of muscle atonia characterizing REM sleep. Neither muscle atonia nor rapid eye movements appeared prior to the marked reduction of N300 amplitude in any subject. This suggests that the cortical activity characterizing REM sleep sometimes occurs a few minutes (or less) earlier than other physiological phenomena.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1323-1316
1440-1819
DOI:10.1111/j.1440-1819.1998.tb01001.x