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Disruptive effects of prefeeding and haloperidol administration on multiple measures of food-maintained behavior in rats
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Dec 27 2011
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Source: Behav Processes. 89(3):314-318.
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Alternative Title:Behav Processes
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Description:Four rats responded under a choice reaction-time procedure. At the beginning of each trial, the rats were required to hold down a center lever for a variable duration, release it following a high- or low-pitched tone, and press either a left or right lever, conditionally on the tone. Correct choices were reinforced with a probability of .95 or .05 under blinking or static houselights, respectively. After performance stabilized, disruptive effects of free access to food pellets prior to sessions (prefeeding) and intraperitoneal injection of haloperidol were examined on multiple behavioral measures (i.e., the number of trials completed, percent of correct responses, and reaction time). Resistance to prefeeding depended on the probability of food delivery for the number of trials completed and reaction time. Resistance to haloperidol, on the other hand, was not systematically affected by the probability of food delivery for all dependent measures.
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Pubmed ID:22209910
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Pubmed Central ID:PMC4693287
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