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Developments in infants' search for displaced objects.

C Sophian, S Sage

    Journal of Experimental Child Psychology
    |February 1, 1983
    PubMed
    Summary

    Older infants better locate hidden objects, showing improved spatial reasoning. Even young babies can track visible object displacements, but complex invisible displacements remain challenging.

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    Area of Science:

    • Cognitive Development
    • Infant Psychology
    • Object Permanence Research

    Background:

    • Infants' understanding of object permanence is crucial for cognitive development.
    • Previous research indicates varying success in tracking displaced objects based on age and displacement type.

    Purpose of the Study:

    • To investigate how 13-month-old and 21-month-old infants search for displaced objects.
    • To differentiate performance based on visible, invisible, and transposition displacement tasks.

    Main Methods:

    • Infants were tested on visible displacements, invisible displacements, and transpositions.
    • Performance was assessed by examining search within relevant locations and selection between locations.

    Main Results:

    • Both age groups succeeded with visible displacements and searched relevant locations for invisible displacements.
    • Neither group solved transposition problems, though older infants searched relevant locations.
    • Age differences were linked to identifying relevant locations, reduced response biases, and managing multiple possibilities.

    Conclusions:

    • Infants demonstrate developing object permanence skills, with significant age-related improvements in spatial reasoning.
    • The ability to identify relevant search locations is a key factor in overcoming displacement challenges.
    • Transposition tasks remain difficult, highlighting the complexity of advanced object tracking in early development.

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