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Fleming, Malcolm L. – Viewpoints, 1970
Descriptors: Visual Discrimination, Visual Measures, Visual Perception, Visual Stimuli

Dannemiller, James L.; Hanko, Staphanie A. – Journal of Experimental Child Psychology, 1987
Study tests 45 four-month-old infants for color constancy using a familiarization, paired-comparison paradigm. Infants tested with a change in illuminant correctly recognized the familiar color under some conditions and failed to do so under others. (Author/RWB)
Descriptors: Color, Infants, Visual Discrimination, Visual Measures

Maurer, Daphne; and Adams, Russell J. – Journal of Experimental Child Psychology, 1987
Two different methods which minimize achromatic cues were used to test the ability of one-month-olds to discriminate gray from broadband blue. Test data imply an improvement between birth and one month of age in the discrimination of gray from broadband blue. Possible physiological changes underlying this improvement are discussed. (Author/RWB)
Descriptors: Color, Dimensional Preference, Infants, Visual Discrimination

Smeets, Paul M.; And Others – Journal of Experimental Child Psychology, 1995
Examined reversal of emergent simple discriminations through stimulus contiguity. In experiment one, Baseline and Reversal phases were positive for most children. Experiments two through four examined protocol aspects that possibly contributed to successful reversal of the form discrimination; found that reversed discrimination usually was a…
Descriptors: Color, Discriminant Analysis, Discrimination Learning, Preschool Children

Adams, Russell J. – Journal of Experimental Child Psychology, 1995
Newborns were habituated to white squares of varying size and luminance and retested with colored squares for recovery of habituation. Newborns could discriminate yellow-green from white in large squares, but not in small squares. They could not discriminate blue, blue-green, or purple from white. Results suggest newborns have little…
Descriptors: Cognitive Ability, Color, Discrimination Learning, Habituation

Dannemiller, James L.; Stephens, Benjamin R. – Child Development, 1988
Evaluates models of infant visual preferences with predictions based on the physical attributes of visual patterns using pairs of schematic faces and abstract patterns identical except for contrast reversals. Results suggest that a fundamental change in the determinants of visual preference occurs postnatally between 6 and 12 weeks. (Author/RWB)
Descriptors: Infants, Longitudinal Studies, Novelty (Stimulus Dimension), Perceptual Development

Lewis, Terri L.; Maurer, Daphne – Child Development, 1986
Compares estimates of monocular visual resolution of children 6- to 36-months of age with three psychophysical procedures: the Probabilistic Estimation by Sequential Testing (PEST), a modification of the PEST procedure, and the method-of-constant stimuli. (HOD)
Descriptors: Eye Fixations, Eye Movements, Infants, Perceptual Development

Kavsek, Michael J. – Journal of Experimental Child Psychology, 1999
Studied infant ability to extract depth information from a three-dimensional structure. Found evidence that 8-month-old infants distinguished between lines indicating edges, and lines indicating markings, and that they are able to use line junctions to perceive line drawings as depicting three-dimensional objects in the picture plane. (Author)
Descriptors: Depth Perception, Infants, Pictorial Stimuli, Vision Tests

Rose, Susan A.; Feldman, Judith F. – Developmental Psychology, 1987
Examined the stability of two aspects of infant visual attention derived from the paired-comparison procedure in infants tested at 6, 7, and 8 months of age. The two aspects were novelty preference and exposure time. Suggests that both novelty and exposure-time scores reflect moderately stable but independent characteristics of infant behavior.…
Descriptors: Individual Differences, Infants, Novelty (Stimulus Dimension), Time Factors (Learning)

Bornstein, Marc H.; Stiles-Davis, Joan – Developmental Psychology, 1984
Three studies explore the development of discrimination and memory for symmetry in preschoolers four to six years of age. Issues addressed include the young child's ability to discriminate and reproduce symmetry, and the effects of pattern orientation and complexity on the young child's symmetry discrimination and reproduction. Results indicate…
Descriptors: Developmental Stages, Discrimination Learning, Early Childhood Education, Kindergarten Children
Weintraub, Sam, Comp.; Cowan, Robert J., Comp. – 1982
An update and modification of "Vision-Visual Discrimination" published in 1973, this annotated bibliography contains entries from the annual summaries of research in reading published by the International Reading Association (IRA) since then. The first large section, "Vision," is divided into two subgroups: (1) "Visually…
Descriptors: Annotated Bibliographies, Elementary Secondary Education, Reading Difficulties, Reading Research
Carver, Ronald P. – 1969
The question of whether pupil diameter indicates information processing load during reading was investigated in three experiments involving 24 college students reading passages of varying difficulty. A TV camera and monitor, together with a video-recorder, were used to measure the diameter of the pupil under a reading condition and under three…
Descriptors: Auditory Stimuli, Auditory Tests, Cloze Procedure, Cognitive Measurement