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| Visual Perception | 5 |
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| Visual Discrimination | 2 |
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Ball, William A. – 1977
In this study examining infants' responses to optical expansion, 18 infants between 36 and 61 days old watched expanding shadows that differed in the terminal location of the center of expansion and the number of dimensions undergoing change. Babies consistently rotated their heads upward during expansion of a closed figure when the center of…
Descriptors: Depth Perception, Infant Behavior, Infants, Perceptual Development
Download full textBall, William A. – 1975
A looming paradigm was used to determine what depth information infants process in addition to that provided by the expansion of a single, closed contour of an object. A total of 18 male and 15 female infants aged 22-48 days watched a film in which the circular elements and inter-element spaces of the projected image alternately expanded and…
Descriptors: Depth Perception, Infant Behavior, Infants, Motor Reactions
Peer reviewedSmolen, Diane L.; And Others – Journal of Psychology, 1971
Descriptors: Cues, Depth Perception, Discrimination Learning, Error Patterns
Peer reviewedLawson, R. B.; Frey, W. F. – Perceptual and Motor Skills, 1971
Descriptors: Depth Perception, Discrimination Learning, Distance, Perceptual Development
Peer reviewedMontgomery, Noel – Perceptual and Motor Skills, 1971
Descriptors: Depth Perception, Discrimination Learning, Figural Aftereffects, Males
