Document Detail

Sleep spindles in the human hippocampus: normal or epileptic activity?
MedLine Citation:
PMID:  7313395     Owner:  NLM     Status:  MEDLINE    
Spindles of 12-14 Hz were recorded in the hippocampus of 13 epileptics during sleep. This activity was more prominent in patients in whom the hippocampal region was not the site of the primary focus and in whom the electrical activity was normal during wakefulness. Spindles were more numerous during stage 2 non-rapid-eye-movement sleep, especially in patients who had seizures in this stage. It is postulated that this activity is either a normal activity of human brain or an evoked response of the hippocampus to an epileptic afferent discharge. In either case, hippocampal spindles may contribute to the triggering of nocturnal seizures.
J Montplaisir; L Leduc; M Laverdière; J Walsh; J M Saint-Hilaire
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Sleep     Volume:  4     ISSN:  0161-8105     ISO Abbreviation:  Sleep     Publication Date:  1981  
Date Detail:
Created Date:  1982-02-25     Completed Date:  1982-02-25     Revised Date:  2009-01-29    
Medline Journal Info:
Nlm Unique ID:  7809084     Medline TA:  Sleep     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  423-8     Citation Subset:  IM    
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MeSH Terms
Amygdala / physiopathology
Arousal / physiology
Cerebral Cortex / physiopathology
Dominance, Cerebral / physiology
Electroencephalography / methods*
Epilepsy / physiopathology*
Evoked Potentials
Hippocampus / physiopathology*
Sleep Stages / physiology*
Sleep, REM / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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