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Direct linkHemker, Laura; Granrud, Carl E.; Yonas, Albert; Kavsek, Michael – Infancy, 2010
Two preferential-reaching experiments explored 5- and 7-month-olds' sensitivity to pictorial depth cues. In the first experiment, infants viewed a display in which texture gradients, linear perspective of the surface contours, and relative height in the visual field provided information that two objects were at different distances. Five- and…
Descriptors: Cues, Infants, Pictorial Stimuli, Visual Perception
Peer reviewedYonas, Albert; And Others – Developmental Psychology, 1978
Investigates the responsiveness of 14- and 20-week-old infants to binocular information using a stereoscopic shadow caster showing an object approaching on a collision course. (Author/SS)
Descriptors: Age Differences, Depth Perception, Infant Behavior, Infants
Yonas, Albert; Granrud, Carl E.; Chov, Mey H.; Alexander, Amelia J. – Infancy, 2005
Two experiments tested the DeLoache, Pierroutsakos, Uttal, Rosengren, and Gottlieb (1998) claim that 9-month-old infants attempt to grasp objects depicted in photographs. In Experiment 1, 9-month-olds viewed an object, a photograph of the object, and 2 flat, nonpictorial displays. On average, they reached for the photograph and nonpictorial…
Descriptors: Infants, Visual Perception, Photography, Visual Aids
