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Science 23 December 1983:
Vol. 222. no. 4630, pp. 1349 - 1351
DOI: 10.1126/science.6658456
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Articles

Science, Vol 222, Issue 4630, 1349-1351
Copyright © 1983 by American Association for the Advancement of Science

articles

Memory retrieval: a time-locked process in infancy

JW Fagen and C Rovee-Collier

Three-month-old infants learned to activate an overhead crib mobile by operant footkicking and received a visual reminder of the event (a "reactivation treatment") 2 weeks later, after forgetting had occurred. Subsequent manifestation of the association was a monotonic increasing function of time since the reactivation treatment, and performance of infants tested 8 hours after the remainder was related to the time spent sleeping in the interim (r = 0.75). These data demonstrate that normal retrieval is time-dependent. Moreover, individual data suggest that retrieval may be continuous rather than discontinuous.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)