Occlusion is hard: Comparing predictive reaching for visible and hidden objects in infants and adults.

Cognitive Science
Susan HesposE S Spelke

Abstract

Infants can anticipate the future location of a moving object and execute a predictive reach to intercept the object. When a moving object is temporarily hidden by darkness or occlusion, 6-month-old infants' reaching is perturbed but performance on darkness trials is significantly better than occlusion trials. How does this reaching behavior change over development? Experiment 1 tested predictive reaching of 6- and 9-month-old infants. While there was an increase in the overall number of reaches with increasing age, there were significantly fewer predictive reaches during the occlusion compared to visible trials and no age-related changes in this pattern. The decrease in performance found in Experiment 1 is likely to apply not only to the object representations formed by infants but also those formed by adults. In Experiment 2 we tested adults with a similar reaching task. Like infants, the adults were most accurate when the target was continuously visible and performance in darkness trials was significantly better than occlusion trials, providing evidence that there is something specific about occlusion that makes it more difficult than merely lack of visibility. Together, these findings suggest that infants' and adults' capac...Continue Reading

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Citations

Nov 18, 2010·Experimental Brain Research·Moritz M Daum, Gustaf Gredebäck
May 2, 2012·Developmental Neuropsychology·Manuela StetsVincent M Reid
Dec 21, 2011·Child Development·Susan J HesposStella Christie
Nov 3, 2010·Infant Behavior & Development·Margot van WermeskerkenGeert J P Savelsbergh
Nov 22, 2016·The British Journal of Developmental Psychology·Jeanne L Shinskey
Jan 9, 2016·Psychological Science·Susan J HesposLance J Rips
Mar 31, 2011·Nature Communications·Vanessa Schmitt, Julia Fischer
Aug 1, 2020·Infancy : the Official Journal of the International Society on Infant Studies·Felicia Zhang, Lauren L Emberson
May 1, 2012·Infancy : the Official Journal of the International Society on Infant Studies·Jeanne L Shinskey
Mar 30, 2018·Frontiers in Psychology·Gustaf GredebäckCarin Marciszko
Dec 7, 2018·Developmental Science·Felicia ZhangLauren L Emberson
Sep 16, 2020·Developmental Science·Linda van den Berg, Gustaf Gredebäck

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