NDLI: Extended exposure to environmental cues, but not to sucrose, reduces sucrose cue reactivity in rats

Content Provider	Springer Nature Link
Author	Harkness, John H. Wells, Jason Webb, Sierra Grimm, Jeffrey W.
Copyright Year	2015
Abstract	In the present study, we examined the effects of extinction of sucrose-predictive contextual cues and/or sucrose satiation on the expression of sucrose cue reactivity in a rat model of relapse. Context extinction was imposed by housing rats in their home cage or in the operant conditioning chamber for 17 h prior to testing. For sucrose satiation, rats were allowed unlimited access to water or sucrose for 17 h prior to testing. Cue reactivity was assessed after either one (Day 1) or 30 (Day 30) days of forced abstinence from sucrose self-administration. An abstinence-dependent increase in sucrose cue reactivity was observed in all conditions (“incubation of craving”). Context extinction dramatically reduced lever responding on both Day 1 and Day 30. Sucrose satiation had no significant effect on cue reactivity in any condition. These results demonstrate that the context in which self-administration occurs maintains a powerful influence over cue reactivity, even after extended forced abstinence. In contrast, the primary reinforcer has little control over cue reactivity. These findings highlight the important role of conditioned contextual cues in driving relapse behavior.
Starting Page	59
Ending Page	66
Page Count	8
File Format	PDF
ISSN	15434494
Journal	Learning & Behavior
Volume Number	44
Issue Number	1
e-ISSN	15434508
Language	English
Publisher	Springer US
Publisher Date	2015-07-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Context Cue reactivity Extinction Relapse Satiety Psychology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Cognitive Neuroscience Behavioral Neuroscience

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