Abstract:
:The interaction of sucrose availability and oral self-administration of amphetamine was examined in 23 male Sprague-Dawley rats. Fourteen rats were given a 0.075 mg/ml amphetamine sulfate solution as their sole source of fluid and 9 rats were given water. Feeding conditions were alternated between weeks with both granulated sucrose and chow available and weeks with only chow present. Rats drank significantly less of the amphetamine solution when consuming sucrose and chow than when eating chow alone. Sucrose intake had a slight effect on water intake. Rats drinking the amphetamine solution consumed significantly less food, gained significantly less weight, and were significantly less efficient at using calories for weight gain than rats drinking water. However, when given access to sucrose, rats drinking the amphetamine solution chose a significantly greater proportion of their daily caloric intake as sucrose (60%) than rats drinking water (42.5%). The present results demonstrate that 1) amphetamine intake alters nutrient choice and 2) that dietary variables can profoundly affect drug self-administration.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Kanarek RB,Marks-Kaufman Rdoi
10.1016/0031-9384(88)90312-5subject
Has Abstractpub_date
1988-01-01 00:00:00pages
501-5issue
4-5eissn
0031-9384issn
1873-507Xpii
0031-9384(88)90312-5journal_volume
44pub_type
杂志文章abstract::The present study describes effects of anticipation and consumption of a palatable reward on comb surface temperature. The purpose was to investigate temperature responses as a potential physiological indicator of positive emotional states in laying hens. A rise in body temperature in response to stimuli predictive of...
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journal_title:Physiology & behavior
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journal_title:Physiology & behavior
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journal_title:Physiology & behavior
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journal_title:Physiology & behavior
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journal_title:Physiology & behavior
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