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Assessing the encoding specificity of associations with sensory preconditioning procedures

Lin, Tzu-Ching Esther, Dumigan, Natasha, Dwyer, Dominic M., Good, Mark Andrew and Honey, Robert Colin 2013. Assessing the encoding specificity of associations with sensory preconditioning procedures. Journal of Experimental Psychology: Animal Behavior Processes 39 (1) , pp. 67-75. 10.1037/a0030662

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Abstract

Three experiments examined the encoding specificity of associations using sensory preconditioning procedures in rats. In Experiment 1a, after exposure to two compounds (AX and BY), X (but not Y) was either followed by shock after a trace interval (Group Trace) or immediately followed by shock (Group Immediate). AX elicited less activity than BX (i.e., more fear) in Group Trace, but equivalent activity levels in Group Immediate. These results, replicated using a within-subjects design in Experiment 1b, indicate that the presence of A (on AX trials) generates fear because it associatively evokes X's memory into the same state as it was associated with the shock during (trace) conditioning. In Experiment 2, after exposure to AX and BY, X (but not Y) was immediately followed by shock. As in Experiment 1a, presentations of AX and BX elicited equivalent levels of fear, but there was more fear in the trace period after AX than in the trace period after BX. This finding suggests that during aversive conditioning, the associatively provoked memory of A was part of the conditioned complex, and that the trace of AX was more likely to activate this memory than was the trace of BX. (PsycINFO Database Record (c) 2013 APA, all rights reserved)

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Publisher: American Psychological Association
ISSN: 1939-2184
Funders: BBSRC
Last Modified: 17 Jun 2017 07:32
URI: http://orca.cf.ac.uk/id/eprint/44648

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