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Wakayo Yamashita, Ryosuke Niimi, So Kanazawa, Masami K. Yamaguchi, Kazuhiko Yokosawa; Three-quarter view preference for three-dimensional objects in 8-month-old infants. Journal of Vision 2014;14(4):5. doi: https://doi.org/10.1167/14.4.5.
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© ARVO (1962-2015); The Authors (2016-present)
This study examined infants' visual perception of three-dimensional common objects. It has been reported that human adults perceive object images in a view-dependent manner: three-quarter views are often preferred to other views, and the sensitivity to object orientation is lower for three-quarter views than for other views. We tested whether such characteristics were observed in 6- to 8-month-old infants by measuring their preferential looking behavior. In Experiment 1 we examined 190- to 240-day-olds' sensitivity to orientation change and in Experiment 2 we examined these infants' preferential looking for the three-quarter view. The 240-day-old infants showed a pattern of results similar to adults for some objects, while the 190-day-old infants did not. The 240-day-old infants' perception of object view is (partly) similar to that of adults. These results suggest that human visual perception of three-dimensional objects develops at 6 to 8 months of age.
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