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Gloria Gehb, Claudia Kubicek, Bianca Jovanovic, Gudrun Schwarzer; The positive influence of manual object exploration on predictive grasping for a moving object in 9-month-old infants. Journal of Vision 2019;19(14):13. doi: https://doi.org/10.1167/19.14.13.
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The present study examined whether infants' manual prediction ability is related to different types of their manual object exploration behavior. Thirty-two 9-month-old infants were tested in a manual prediction task, in which they were encouraged to reach for a temporarily occluded moving object. All infants also participated in a manual exploration task, in which they could freely explore five toy blocks. Infants with a high number of haptic scans in the manual exploration task showed a higher prediction rate in the manual prediction task compared to infants with a low haptic scan score. Reaction times of all infants decreased during the test blocks. However, the reaction time of infants with a high haptic scan score was faster in general. Our findings suggest that object experiences gathered by specific manual exploratory actions, such as haptic scans, are related to infants' predictive abilities when reaching and grasping for a temporarily occluded moving object.
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