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Quinn, Paul C.; Bhatt, Ramesh S. – Journal of Experimental Psychology: Human Perception and Performance, 2006
Four experiments investigated how readily infants achieve perceptual organization by lightness and form similarity. Infants were (a) familiarized with elements that could be organized into rows or columns on the basis of lightness or form similarity and tested with vertical versus horizontal bars depicting the familiar versus novel organization or…
Descriptors: Experiments, Infants, Perceptual Development, Generalization

Ellis, H. D.; And Others – Journal of Visual Impairment and Blindness, 1987
Seventeen visually impaired children, aged 7-11 years, were compared with sighted children on a test of facial recognition and a test of expression identification. The visually impaired children were less able to recognize faces successfully but showed no disadvantage in discerning facial expressions such as happiness, anger, surprise, or fear.…
Descriptors: Child Development, Elementary Education, Facial Expressions, Identification