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Effects of priming duration on retention over the first 1½ years of life

✍ Scribed by Vivian C. Hsu; Carolyn Rovee-Collier; Debra L. Hill; Jill Grodkiewicz; Amy S. Joh

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
150 KB
Volume
47
Category
Article
ISSN
0012-1630

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Exposing individuals to an isolated component (a prime) of a prior event alleviates its forgetting. Two experiments with 120 human infants between 3 and 18 months of age determined the minimum duration of a prime that can reactivate a forgotten memory and how long the reactivated memory persists. Infants learned an operant task, forgot it, were exposed to the prime, and later were tested for renewed retention. In Experiment 1, the minimum duration of an effective prime decreased logarithmically with age, but was always longer than the duration of a mere glance. In Experiment 2, the reactivated memory was forgotten twice as fast after a minimum‐duration prime as after a full‐length one, irrespective of priming delay and infant age. These data reveal that the minimum effective prime duration psychophysically equates the accessibility of forgotten memories. We conclude that priming is perceptually based with effects that are organized on a ratio (log) scale. © 2005 Wiley Periodicals, Inc. Dev Psychobiol 47: 43–54, 2005.

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