The effects of conditioned taste aversions on schedule-induced polydipsia: An analysis of the initiation and postpellet temporal distribution of licking |
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| Authors: | Anthony L Riley Cora Lee Wetherington Ashley M Wachsman Harris A Fishman Mary A Kautz |
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| Institution: | 1. Psychopharmacology Laboratory, Department of Psychology, The American University, 20016, Washington, DC
2. National Institute on Drug Abuse, 5600 Fishers Lane, Parklawn Building, Room 10A-16, 20857, Rockville, MD
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| Abstract: | Animals poisoned following the schedule-induced consumption of saccharin initially continued to drink following spaced pellet deliveries. Neither the initiation of postpellet drinking (i.e., bout, initiation) nor the size and duration of the bouts was effected by the conditioned aversion procedure. With repeated conditioning trials (i.e., repeated pairings of saccharin and LiCl), schedule induced drinking was eventually reduced. The specific components underlying schedule-induced consumption, however, were differentially affected by the aversion training. Specifically, the decrease in schedule-induced drinking was effected primarily by a decrease in licking occurring between 10 and 60 sec after pellet delivery. Bout initiation and licking immediately postpellet (i.e., within the first 10 sec following pellet delivery) were most resistant to suppression and appeared to be responsible for the relative insensitivity of schedule-induced drinking to conditioned taste aversions. The differential effects of taste aversion conditioning on individual components of elicited behavior are discussed. |
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