Redundancy effects in the perception and memory of visual objects

Yuhong V. Jiang, Mi Young Kwon, Won Mok Shim, Bo Yeong Won

    Research output: Contribution to journalArticle

    9 Scopus citations

    Abstract

    Is visual representation of an object affected by whether surrounding objects are identical to it, different from it, or absent? To address this question, we tested perceptual priming, visual short-term, and long-term memory for objects presented in isolation or with other objects. Experiment 1 used a priming procedure, where the prime display contained a single face, four identical faces, or four different faces. Subjects identified the gender of a subsequent probe face that either matched or mismatched with one of the prime faces. Priming was stronger when the prime was four identical faces than when it was a single face or four different faces. Experiments 2 and 3 asked subjects to encode four different objects presented on four displays. Holding memory load constant, visual memory was better when each of the four displays contained four duplicates of a single object, than when each display contained a single object. These results suggest that an object's perceptual and memory representations are enhanced when presented with identical objects, revealing redundancy effects in visual processing.

    Original languageEnglish (US)
    Pages (from-to)1233-1252
    Number of pages20
    JournalVisual Cognition
    Volume18
    Issue number9
    DOIs
    StatePublished - Oct 15 2010

    Keywords

    • Perceptual priming
    • Redundancy effects
    • Visual long-term memory
    • Visual short-term memory

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