Event-Related Potential and Looking-Time Analysis of Infants' Responses to Familiar and Novel Events: Implications for Visual Recognition Memory

Charles A. Nelson, Paul F. Collins

Research output: Contribution to journalArticlepeer-review

117 Scopus citations

Abstract

Event-related potentials (ERPs) and fixation duration were used to examine 6-month-old infants' responses to frequently and infrequently presented familiar and novel events. ERPs, but not looking time, were found to distinguish between familiar events presented frequently versus infrequently and between familiar and novel events presented infrequently. We propose that the ERPs invoked by an infrequently presented familiar stimulus reflect the updating of working memory, whereas the ERPs invoked by a frequently presented familiar stimulus reflect stimulus encoding. Finally, because infants were unlikely to have formed a template for the novel events (each of which was presented only one time), the ERPs invoked by these stimuli probably reflected a nonspecific and possibly automatic process of novelty detection.

Original languageEnglish (US)
Pages (from-to)50-58
Number of pages9
JournalDevelopmental psychology
Volume27
Issue number1
DOIs
StatePublished - Jan 1991

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