Forgetting by the rat after intermediate intervals ("Kamin effect") as retrieval failure.

1 April 1970

journal article
Published by American Psychological Association (APA) in Journal of Comparative and Physiological Psychology

Vol. 71 (1) , 165-170
https://doi.org/10.1037/h0028973

Abstract

Following acquisition of a 1-way active-avoidance (or passive-avoidance) task, 48 naive female albino rats demonstrated more rapid acquisition of the alternative (and conflicting) aversive-conditioning task 1 or 4 hr. after original learning than 5 min. or 24 hr. later. Moreover, compared with acquisition performance of naive Ss, those tested after 1 or 4 hr. acquired the conflicting task as if they remembered little or none of their previous learning. Results suggest that the Kamin effect may be due to failure in memory retrieval rather than temporal changes in fear or fear-induced hormonal processes. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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