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Comparison of active and purely visual performance in a multiple-string means-end task in infants
Lauriane Rat-Fischer1, J Kevin O'Regan1, Jacqueline Fagard1
1Laboratoire Psychologie de la Perception, Université Paris Descartes, CNRS UMR 8158, Centre Biomédical des Saints-Pères, 45 rue des Saints-Pères, 75006 Paris, France.
Cognition
|August 1, 2014
Summary
Infants’ problem-solving on a multiple-string task depends on inhibitory control and action understanding. Success requires inhibiting immediate actions and anticipating others' actions, supporting the direct matching hypothesis.
Area of Science:
- Developmental Psychology
- Cognitive Neuroscience
Background:
- Infants master single string-pulling tasks by 12 months.
- Many 16-month-olds fail multiple-string tasks, indicating a developmental challenge.
Purpose of the Study:
- Investigate factors influencing infant problem-solving on a multiple-string task.
- Examine the role of inhibitory control and action anticipation in task success.
Main Methods:
- Assessed 16-20-month-olds on a multiple-string task, categorizing performance.
- Compared active task performance with visual anticipation of adult actions.
- Analyzed inhibitory control of the preferred hand and predictive looking strategies.
Main Results:
- Infant performance correlated with inhibitory control levels.
- Only successful action-task performers visually anticipated adult actions.
- Inhibitory control alone did not fully explain performance differences.
Conclusions:
- Infant success on the multiple-string task involves more than just inhibitory control.
- Findings support the direct matching hypothesis: performing actions precedes anticipating them.
- Action understanding is crucial for infants to predict others' behaviors.
