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Overshadowing and blocking procedures in latent inhibition

Honey, Robert Colin ORCID: and Hall, Geoffrey 1988. Overshadowing and blocking procedures in latent inhibition. The Quarterly Journal of Experimental Psychology Series B Comparative and Physiological Psychology 40 (2) , pp. 163-186. 10.1080/14640748808402316

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Three experiments used rats as subjects and a flavour-aversion procedure to examine the effect of compound flavour (AB) pre-exposure on the extent of latent inhibition to an element (A) of that compound. In Experiment 1 a group of rats exposed to AB exhibited less latent inhibition to stimulus A than a group for which A was presented in isolation or than a group that received A followed by a second stimulus, B, during the pre-exposure phase. Experiment 2 and Experiment 3 showed that the effectiveness of B during compound pre-exposure depended on its novelty. Thus a group that received exposure to stimulus B prior to AB pre-exposure showed more latent inhibition than a group that did not receive prior experience of the B stimulus. Two explanations for these effects were considered: that compound pre-exposure might reduce effective processing of the elements of that compound during the pre-exposure phase; alternatively, that exposure to an element as a part of a compound may modify the way in which that element is perceived.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Publisher: Taylor & Francis
Last Modified: 31 Oct 2022 10:15

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