Enhanced latent inhibition in context aversion conditioning

In four experiments, we investigated the effect of giving rats exposure to a distinctive environmental context before a phase of training in which an injection of LiCl was paired with that context. The results of Experiments 1 and 2 were consistent with the possibility that such preexposure served t...

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Bibliographic Details
Published in:Learning and motivation 2009-02, Vol.40 (1), p.62-73
Main Authors: Hall, Geoffrey, Symonds, Michelle, Rodriguez, Marcial
Format: Article
Language:English
Subjects:
Animals
Clinical medicine
Conditioned nausea
Conditioning
Context
Drug Use
Experimental psychology
Experiments
Inhibition
Intervention
Latent inhibition
Nausea
Rats
Rodents
Symptoms (Individual Disorders)
Theories
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Summary:In four experiments, we investigated the effect of giving rats exposure to a distinctive environmental context before a phase of training in which an injection of LiCl was paired with that context. The results of Experiments 1 and 2 were consistent with the possibility that such preexposure served to retard subsequent conditioning to the context (i.e., produced a latent inhibition effect). Experiments 3 and 4 demonstrated that allowing the rats to consume a novel-flavored solution during preexposure enhanced the latent inhibition effect. The relevance of these findings both for theories of latent inhibition and for the use of preexposure as a clinical intervention for the reduction of conditioned nausea in humans is considered.
ISSN:0023-9690
1095-9122
DOI:10.1016/j.lmot.2008.05.001