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Related Experiment Videos

Matching behavior in the young infant.

S W Jacobson

    Child Development
    |June 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Early infant imitation, like tongue protrusion, may be selective. Daily tongue stimulation in infants delayed the decline of this matching behavior, suggesting imitation is not just a simple reflex.

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    Area of Science:

    • Developmental Psychology
    • Infant Behavior
    • Early Social Cognition

    Background:

    • Infants exhibit matching behaviors to adult models, such as tongue protrusion, from 2-6 weeks.
    • This imitation-like behavior typically declines by 12 weeks of age.
    • The nature of this early behavior (selective imitation vs. stimulus-released response) is debated.

    Purpose of the Study:

    • To determine if infant tongue protrusion is selective imitation or a broader stimulus-elicited response.
    • To investigate if repeated tongue protrusion stimulation enhances this behavior and delays its natural decline.

    Main Methods:

    • 24 infants were observed at 6, 10, and 14 weeks of age.
    • Stimuli included adult tongue protrusion, a moving pen/ball, and a dangling ring.

    Related Experiment Videos

  • An intervention group received daily tongue protrusion modeling after 6 weeks.

    • Main Results:

    • At 6 weeks, non-specific stimuli (pen/ball) elicited tongue protrusion similarly to the tongue model.
    • At 14 weeks, experimental infants showed selective responses to the tongue model, unlike controls.
    • Daily tongue stimulation delayed the decline of matching behavior to the tongue model at 14 weeks.

    Conclusions:

    • Infant tongue protrusion matching can be selective imitation, not solely a stimulus-released response.
    • Early social stimulation, like repeated tongue protrusion modeling, can enhance and prolong imitation.
    • Findings suggest a basis for understanding the development of social learning in infancy.