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Mediated configural learning in rats

Lin, Tzu-Ching, Dumigan, Natasha, Recio, Sergio and Honey, Robert 2017. Mediated configural learning in rats. The Quarterly Journal of Experimental Psychology 70 (8) , pp. 1504-1515. 10.1080/17470218.2016.1188973

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Abstract

Three experiments investigated mediated configural learning in male rats. In Experiment 1, after exposure to audio-visual compounds AX and BY, rats received trials where X was paired with shock, and Y was not. The idea that conditioning with X enables the evoked configural representation of AX to be linked to shock received support from the facts that while AX provoked more fear than BX, there was no difference between BY and AY. Similarly, Experiment 2 showed that after exposure to AX and BY, separate pairings of X and Y with shock resulted in more fear to AX and BY than AY and BX. In Experiment 3, rats in group consistent received separate exposures to A and X in Context C, and B and Y in D, while those in group inconsistent received A and X (and B and Y) in both C and D. After rats had received shocks in both C and D, rats in group consistent showed more fear to AX and BY than to BX and AY, but this was not the case in group inconsistent. These results indicate that configural representations, formed either by presenting auditory and visual stimuli as parts of a compound or in a shared context, are subject to a process of mediated learning.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Advanced Research Computing @ Cardiff (ARCCA)
Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Publisher: Taylor & Francis
ISSN: 1747-0218
Funders: BBRSC
Last Modified: 17 Jun 2017 11:36
URI: http://orca.cf.ac.uk/id/eprint/92520

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