Dissipation of retroactive interference in human infants |
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Authors: | Gulya Michelle Rossi-George Alba Rovee-Collier Carolyn |
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Institution: | Rutgers University, Department of Psychology, 152 Frelinghuysen Road, Piscataway, New Jersey 08854-8020, USA. |
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Abstract: | In 3 experiments with 85 human 3-month-olds, the authors asked whether retroactive interference with their memory of the original training stimulus is temporary or permanent. Infants learned to move a mobile by kicking and then were exposed to a different mobile (Experiment 1) or context (Experiment 2) immediately or 3 days afterward (Experiment 3). They were tested after increasing delays with the original stimulus, the exposed stimulus, or a completely novel stimulus. Retroactive interference was temporary and unrelated to the exposure delay. The data are consistent with a retrieval-based account of interference. Memory updating (i.e., responding to the interfering stimulus) was coincident with retroactive interference, suggesting that retroactive interference is an adaptive mechanism that facilitates memory updating within a narrow time window. |
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