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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1986-7-25
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pubmed:abstractText |
In estimating, by use of cosinor-test, the 12- and 24-h component parameters of body temperature circadian rhythm in monkeys under ultradian schedules of lighting and feeding (LD 6:6; DL 6:6) we have shown that an intensive 12-h component is registered in both cases. The presence of a 24-h component of circadian rhythm depends on the zeitgeber phase. This component is present in LD 6:6 (lighting hours 07:00-13:00 and 19:00-01:00) and is absent in DL 6:6 (01:00-07:00 and 13:00-19:00). We hold that the most satisfactory explanation of the phenomena observed is that 12-h component is the result of a masking effect induced by the 12-h schedule (exogenous component) whereas the 24-h component reflects the intrinsic pacemaker work (endogenous component). It should be noted that in our case the masking effect in body temperature rhythm is circadian phase-dependent.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:issn |
0390-0037
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
13
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
55-63
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pubmed:dateRevised |
2003-11-14
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pubmed:meshHeading |
pubmed-meshheading:3720429-Animals,
pubmed-meshheading:3720429-Body Temperature,
pubmed-meshheading:3720429-Circadian Rhythm,
pubmed-meshheading:3720429-Eating,
pubmed-meshheading:3720429-Lighting,
pubmed-meshheading:3720429-Macaca mulatta,
pubmed-meshheading:3720429-Macaca nemestrina,
pubmed-meshheading:3720429-Papio,
pubmed-meshheading:3720429-Time Factors
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pubmed:articleTitle |
Effects of ultradian lighting and feeding schedules on the circadian rhythm of body temperature in monkeys.
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pubmed:publicationType |
Journal Article
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