期刊
LEARNING & BEHAVIOR
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.3758/s13420-022-00560-2
关键词
Schedule-induced polydipsia; Activity-based anorexia; Licks; Wheel turns; Food-deprivation level; Rats
The study aimed to investigate the potential relationship between drinking in SIP and running in ABA. Findings showed that the initial development of ABA facilitated the subsequent acquisition of SIP, while the first acquisition of SIP retarded the subsequent development of ABA. This suggests functional similarities between running in ABA and drinking in SIP, indicating that both behaviors are induced by the schedule/regime of intermittent food availability.
The objective of this study was to evaluate the possible relationship between drinking (licks) in the schedule-induced polydipsia (SIP) phenomenon and running (turns in the wheel) in the activity-based anorexia (ABA) one. Within-subjects counterbalanced experiments were designed with male Wistar rats which underwent both behavioral procedures; half of them performed the ABA procedure first and the other half the SIP procedure first. In Experiment 1, the initial development of ABA facilitated the subsequent acquisition of SIP, whereas the first acquisition of SIP retarded the subsequent development of ABA. Given that SIP exposure implied food restriction, it could be that adaptation to the food regime contributed to lowering ABA manifestation. Thus, Experiment 2 was carried out in exactly the same way as Experiment 1, with the exception that animals which first went through SIP prior to undergoing the ABA procedure had no food restriction. In this case, both ABA and SIP as first experiences facilitated the further development of SIP and ABA, respectively. This suggests that running in ABA may be functionally similar to drinking in SIP; therefore, both behaviors can be thought of as induced by the schedule/regime of intermittent food availability.
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