Document Detail

Phylogenetic and general remarks on sleep.
MedLine Citation:
PMID:  6405405     Owner:  NLM     Status:  MEDLINE    
Sleep is conceived as a unitary phenomenon in the sense that both its phases (slow-wave sleep and paradoxical sleep) start during the same phylogenetic steps, in reptiles, and their mechanisms, though distinct, are functionally coupled in the vertebrate series. Slow-wave sleep, essentially a restoring phenomenon, seems to be required by the specific and associative thalamocortical circuits and triggered off by the subcortical hypnogenic structures, by virtue of low-frequency tranquillizing afferent volleys received from sense organs. Paradoxical sleep is appreciated as a special hypnic behavior displayed against the slow-wave sleep tonic background, with an ancestral role of "guardian" of slow-wave sleep, and with present complex functions, many of which not yet elucidated.
E Vasilescu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Physiologie     Volume:  20     ISSN:  1011-6206     ISO Abbreviation:  Physiologie     Publication Date:    1983 Jan-Mar
Date Detail:
Created Date:  1983-06-10     Completed Date:  1983-06-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7510964     Medline TA:  Physiologie     Country:  ROMANIA    
Other Details:
Languages:  eng     Pagination:  17-25     Citation Subset:  IM    
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MeSH Terms
Cerebral Cortex / physiology
Sleep / physiology*
Sleep, REM / physiology
Thalamus / physiology

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