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Bertamini, Marco – Journal of Experimental Psychology: Human Perception and Performance, 2008
Sensitivity to shape changes was measured, in particular detection of convexity and concavity changes. The available data are contradictory. The author used a change detection task and simple polygons to systematically manipulate convexity/concavity. Performance was high for detecting a change of sign (a new concave vertex along a convex contour…
Descriptors: Infants, Visual Perception, College Students, Visual Stimuli
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Fagen, Jeffrey W.; And Others – Journal of Experimental Child Psychology, 1976
The ability of 3-month-old infants to discriminate novel components of a pre-familiarized stimulus was assessed using an operant paradigm. Subjects were 20 infants; adult judgments were taken from 15 college students. (Author/JH)
Descriptors: College Students, Infants, Perceptual Development, Research