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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1993-3-15
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pubmed:abstractText |
The effects of a time-restricted feeding schedule on dopamine (DA) release and its metabolites output in the striatum of freely moving rats were studied. Rats had access to food for only 2 h daily for 7 successive days. On the 1st or 7th day, the extracellular concentrations of DA, 3,4-dihydroxyphenylacetic acid (DOPAC), and homovanillic acid (HVA) in the ventrolateral striatum were measured by in vivo brain microdialysis during 2 h of exposure to food-related stimuli followed by 2 h of access to food. Extracellular concentrations of DA and its metabolites did not change during the period of exposure to food-related stimuli or during feeding on the 1st day. On the 7th day, extracellular DOPAC and HVA concentrations increased significantly during 2 h of feeding, but not during exposure to food-related stimuli, compared with basal levels. Extracellular DA concentration did not change significantly. These results indicate that scheduled feeding caused activation of DA metabolism in the ventrolateral striatum and facilitate feeding-related motor activity in feeding behavior.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0031-9384
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
53
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
177-81
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pubmed:dateRevised |
2003-11-14
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pubmed:meshHeading |
pubmed-meshheading:8434060-3,4-Dihydroxyphenylacetic Acid,
pubmed-meshheading:8434060-Animals,
pubmed-meshheading:8434060-Corpus Striatum,
pubmed-meshheading:8434060-Dopamine,
pubmed-meshheading:8434060-Extracellular Space,
pubmed-meshheading:8434060-Feeding Behavior,
pubmed-meshheading:8434060-Female,
pubmed-meshheading:8434060-Homovanillic Acid,
pubmed-meshheading:8434060-Neural Pathways,
pubmed-meshheading:8434060-Rats,
pubmed-meshheading:8434060-Rats, Wistar,
pubmed-meshheading:8434060-Reinforcement Schedule,
pubmed-meshheading:8434060-Substantia Nigra
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pubmed:year |
1993
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pubmed:articleTitle |
Scheduled feeding caused activation of dopamine metabolism in the striatum of rats.
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pubmed:affiliation |
Department of Neuropsychiatry, Osaka City University Medical School, Japan.
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pubmed:publicationType |
Journal Article
|