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Learning about the CS during latent inhibition: preexposure enhances temporal control

Bonardi, Charlotte; Brilot, Ben; Jennings, Dómhnall J.

Authors

Ben Brilot ben.brilot@plymouth.ac.uk

Dómhnall J. Jennings domhnall.jennings@ncl.ac.uk



Abstract

In three experiments rats were given nonreinforced preexposure to an auditory stimulus, after which this stimulus and a second, novel cue were paired with food. Lower rates of conditioned responding were observed to the preexposed stimulus across the three experiments, indicative of latent inhibition. The degree to which animals used these cues to time the occurrence of food delivery was also examined. Paradoxically, the response slopes - indicating the rate of increase in responding over the course of the CS - were greater for the preexposed than for the novel cues, consistent with the suggestion that the preexposed stimulus exerted greater temporal control. Moreover, this was the case irrespective of whether the duration of the cue during preexposure differed from that during conditioning. These results suggest that although CS preexposure retards conditioning, it may enhance timing. The findings are discussed in terms of current models of conditioning and timing.

Journal Article Type Article
Publication Date Feb 15, 2016
Journal Journal of Experimental Psychology: Animal Learning and Cognition
Print ISSN 2329-8456
Electronic ISSN 2329-8464
Publisher American Psychological Association
Peer Reviewed Peer Reviewed
APA6 Citation Bonardi, C., Brilot, B., & Jennings, D. J. (2016). Learning about the CS during latent inhibition: preexposure enhances temporal control. Journal of Experimental Psychology: Animal Learning and Cognition, doi:10.1037/xan0000096
DOI https://doi.org/10.1037/xan0000096
Keywords association formation, Pavlovian conditioning, conditioned responding, latent inhibition, timing
Publisher URL http://psycnet.apa.org/psycarticles/2016-07800-001
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information This article may not exactly replicate the final version published in the APA journal. It is not the copy of record.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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