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Predictive gaze shifts elicited during observed and performed actions in 10-month-old infants and adults
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
2011 (English)In: Neuropsychologia, ISSN 0028-3932, E-ISSN 1873-3514, Vol. 49, no 10, 2911-2917 p.Article in journal (Refereed) Published
Abstract [en]

We asked whether people's actions are understood by projecting them onto one's own action programs, according to the direct matching hypothesis, and whether this mode of control functions in infants. Adults' and infants' gaze and hand movements were measured in two live situations. The task was either to move an object between two places in the visual field, or to observe the corresponding action performed by another person. When performing the action, infants and adults behaved strikingly similar. Hand and gaze movements were simultaneously initiated and gaze arrived at the goal ahead of the hand. When observing the actions, the initiation of the gaze shift was delayed relative to the observed hand movement in both infants and adults, but it still arrived at the goal ahead of the hand. For both the performance and observation of actions the proactiveness of gaze shifts was associated with saccades ahead of the velocity peak of the hand. The close similarity between adults' and infants' actions when performing the movements and the great advantage of the adults when observing them support the conclusion that one's own motor actions develop ahead of the ability to predict other people's actions.

Place, publisher, year, edition, pages
2011. Vol. 49, no 10, 2911-2917 p.
Keyword [en]
Infants, Prediction, Mirror neurons, Perception-action, Eye movements, Eye-hand coordination
National Category
Psychology
Identifiers
URN: urn:nbn:se:uu:diva-159486DOI: 10.1016/j.neuropsychologia.2011.06.018ISI: 000294940500013OAI: oai:DiVA.org:uu-159486DiVA: diva2:445307
Available from: 2011-10-03 Created: 2011-10-03 Last updated: 2017-12-08Bibliographically approved

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