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Journal Article

Three-month-olds' sensitivity to orientation cues in the three-dimensional depth plane

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons72582

Bertin,  Evelyn
Junior Research Group on Cultural Ontogeny, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;

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Citation

Bertin, E., & Bhatt, R. S. (2006). Three-month-olds' sensitivity to orientation cues in the three-dimensional depth plane. Journal of Experimental Child Psychology, 93(1), 45-62. doi:10.1016/j.jecp.2005.06.007.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-005F-F
Abstract
Three-month-olds are sensitive to orientation changes of line drawings when they have a three-dimensional (3-D) interpretation and when the changes are defined by both 3-D depth and two-dimensional (2-D) picture plane cues [Bhatt, R. S., & Bertin, E. (2001). Pictorial cues and three-dimensional information processing in early infancy. Journal of Experimental Child Psychology, 80, 315-332]. In the current study, we examined whether 3-month-olds are sensitive to pictorial line junction cues that signal orientation changes solely in the 3-D depth plane. The results revealed that infants discriminated a misoriented elongated cube in an array when the stimuli contained both shading and lines (Experiment 2) but not when only lines depicted the elongated cubes (Experiment 1). Testing with comparable 2-D images revealed that, even in the presence of shading information, detection of orientation changes is specific to images that have a 3-D interpretation. Together, the results suggest that 3-month-olds are sensitive to pictorial line junction cues that signal orientation changes in the 3-D depth plane to adults provided that shading information is available and the images have a 3-D interpretation.