Document Detail

Brain and behavioural evidence for rest-activity cycles in Octopus vulgaris.
MedLine Citation:
PMID:  16797736     Owner:  NLM     Status:  MEDLINE    
Octopus vulgaris maintained under a 12/12h light/dark cycle exhibit a pronounced nocturnal activity pattern. Animals deprived of rest during the light period show a marked 'rebound' in activity in the following 24h. 'Active' octopuses attack faster than 'quiet' animals and brain activity recorded electrically intensifies during 'quiet' behaviour. Thus, in Octopus as in vertebrates, brain areas involved in memory or 'higher' processes exhibit 'off-line' activity during rest periods.
Euan R Brown; Stefania Piscopo; Rosanna De Stefano; Antonio Giuditta
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-06-23
Journal Detail:
Title:  Behavioural brain research     Volume:  172     ISSN:  0166-4328     ISO Abbreviation:  Behav. Brain Res.     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2006-08-07     Completed Date:  2006-12-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8004872     Medline TA:  Behav Brain Res     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  355-9     Citation Subset:  IM    
Neurobiology Laboratory, Stazione Zoologica "Anton Dohrn", Naples, Italy.
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MeSH Terms
Behavior, Animal / physiology*
Brain / physiology
Circadian Rhythm / physiology*
Octopodiformes / physiology*
Sleep / physiology*
Wakefulness / physiology*

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