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Behav Brain Res. 2006 Sep 25;172(2):355-9. Epub 2006 Jun 23.

Brain and behavioural evidence for rest-activity cycles in Octopus vulgaris.

Author information

1
Neurobiology Laboratory, Stazione Zoologica "Anton Dohrn", Naples, Italy. brown@szn.it

Abstract

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.

PMID:
16797736
DOI:
10.1016/j.bbr.2006.05.009
[Indexed for MEDLINE]

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