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The development of detour ability during infancy.

J J Lockman

    Child Development
    |April 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Infants develop detour skills, reaching before walking and navigating opaque barriers first. Object permanence (Stage 4) precedes detour abilities, but advanced object permanence (Stage 6) is not yet achieved.

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    Area of Science:

    • Cognitive Development
    • Infant Psychology
    • Spatial Reasoning

    Background:

    • Detour ability is crucial for navigating the environment.
    • Understanding the relationship between object permanence and detour skills is key to infant spatial development theories.
    • Piaget's theory highlights stages of cognitive development, including object permanence.

    Purpose of the Study:

    • To investigate the generalization of detour ability across different motor responses (reaching vs. locomotion) and barrier types (transparent vs. opaque).
    • To examine the relationship between the development of object permanence and detour ability in infants.
    • To explore developmental synchrony in early spatial cognition.

    Main Methods:

    • Three longitudinal studies involving 8-month-old infants tested over four months.

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  • Infants were assessed on various detour problems requiring navigation around transparent or opaque barriers.
  • Object permanence tasks (Stage 4 and Stage 6) were administered concurrently with detour tasks.

    • Main Results:

    • Infants demonstrated detour skills earlier for reaching than for locomotion.
    • Detour ability emerged earlier for opaque barriers compared to transparent ones.
    • Successful completion of Stage 4 object permanence tasks preceded detour problem-solving, while Stage 6 tasks remained unsolved.

    Conclusions:

    • Detour ability development is influenced by motor response and barrier characteristics.
    • Object permanence, particularly Stage 4, is a precursor to developing detour navigation skills.
    • Findings contribute to understanding developmental synchrony and refining Piaget's theory of infant spatial development.