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- Title
The role of habituation of the response to LiCl in the US-preexposure effect.
- Authors
de Brugada, Isabel; González, Felisa; Gil, Marta; Hall, Geoffrey
- Abstract
In two experiments, rats received preexposure consisting of six intraperitoneal ir0ections of lithium chloride (LiCl). This treatment reduced the magnitude of the unconditioned response (UR; suppressed consumption of a novel flavor) evoked by an additional injection (Experiment 1) or by oral consumption (Experiment 2) of LiCl. In both experiments, preexposure also attenuated the acquisition of a conditioned aversion with an LiCl injection as the unconditioned stimulus (US) but had no effect on the aversion produced when the US was oral consumption of LiCl (Experiment 2). These results are consistent with the view that the reduced ability of the preexposed US to serve as a reinforcer depends on blocking by injection-related cues and is independent of habituation of the UR recorded in the present study. Possible interpretations of this dissociation are discussed.
- Subjects
RESEARCH; HABITUATION (Neuropsychology); CONDITIONED response; INTRAPERITONEAL injections; LITHIUM chloride; AVERSION; DISSOCIATION (Psychology)
- Publication
Learning & Behavior, 2005, Vol 33, Issue 3, p363
- ISSN
1543-4494
- Publication type
Article
- DOI
10.3758/BF03192864