Abstract：
:Certain popular models of the regulation of food intake predict a positive correlation between the size of a meal and the preceding and/or following intermeal interval. However, the reported strength of these prandial correlations has varied widely in the literature. To determine what factors may influence the strength of these relationships, we measured the timing of and amount consumed in meals of laboratory rats as a function of 1) whether they were housed in isolation or with partial access to peers or a running wheel, 2) whether they were disturbed daily or weekly for maintenance procedures, and 3) whether food was free or contingent on operant responding. We also compared two definitions of "meal" and "intermeal interval." Strong prandial correlations were found only occasionally. Caging, food cost, and maintenance frequency did not affect the size of the correlations, although these factors did influence the rats' meal patterns. We conclude the regulation of food intake cannot be explained by models relying on a regular relationship between meal size and intermeal interval.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Collier G,Johnson DF,Mitchell Cdoi
10.1016/s0031-9384(99)00086-4subject
Has Abstractpub_date
1999-09-01 00:00:00pages
339-46issue
3eissn
0031-9384issn
1873-507Xpii
S0031-9384(99)00086-4journal_volume
67pub_type
杂志文章abstract：:Sheep and goats differ in diet selection, which may reflect different abilities to deal with the ingestion of plant secondary metabolites. Although saliva provides a basis for immediate oral information via sensory cues and also a mechanism for detoxification, our understanding of the role of saliva in the pre-gastric...
journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：2009-10-19 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1982-09-01 00:00:00
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更新日期：1998-03-01 00:00:00
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更新日期：2016-01-01 00:00:00
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pub_type： 杂志文章
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更新日期：1991-07-01 00:00:00
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journal_title：Physiology & behavior
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更新日期：2016-03-15 00:00:00
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journal_title：Physiology & behavior
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journal_title：Physiology & behavior
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1988-01-01 00:00:00
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journal_title：Physiology & behavior
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更新日期：1989-11-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：2013-04-10 00:00:00
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更新日期：2018-10-01 00:00:00
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journal_title：Physiology & behavior
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更新日期：1995-04-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章,评审
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更新日期：2006-08-30 00:00:00
