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Patrick Jost; Elias Berchtold; Sebastian Rangger – International Association for Development of the Information Society, 2024
One of the world's most famous pyramids is not located in Egypt but is on a music album cover by the band Pink Floyd. However, not a pyramid but a prism, the iconic image of a beam of light turning into a rainbow is a powerful symbol that captures the complexities of colour perception across cultures and individuals. This study examines how…
Descriptors: Color, Visual Discrimination, Visual Perception, Discrimination Learning

Whiteside, John A. – Child Development, 1976
Threshold luminance necessary to evoke an eye movement was evaluated as a function of age (6-21 years) and visual angle (6-42 degrees from the fovea). (BRT)
Descriptors: Adults, Children, Elementary Secondary Education, Vision Tests

Bauman, Edward; St. John, Joan – Psychology in the Schools, 1971
It is concluded from the study that the three tests tested are not interchangeable despite the fact that they appear to measure similar perceptual functions. All three tests should be combined in a battery if used for diagnostic purposes. (Author)
Descriptors: Achievement, Children, Diagnostic Tests, Perception Tests
Davis, Rebecca A. O.; Bockbrader, Marcia A.; Murphy, Robin R.; Hetrick, William P.; O'Donnell, Brian F. – Journal of Autism and Developmental Disorders, 2006
Case reports and sensory inventories suggest that autism involves sensory processing anomalies. Behavioral tests indicate impaired motion and normal form perception in autism. The present study used first-person accounts to investigate perceptual anomalies and related subjective to psychophysical measures. Nine high-functioning children with…
Descriptors: Autism, Perceptual Impairments, Children, Questionnaires
Harley, Randall; Spollen, John – Education of the Visually Handicapped, 1973
Descriptors: Children, Exceptional Child Research, Partial Vision, Test Reliability
Health Services and Mental Health Administration (DHEW), Bethesda, MD. – 1972
Reported were extensive statistical data on the prevalence of abnormal eye conditions found on examination, heterophoria test results, and history of eye problems as well as extent of interrelationship of the eye examination and vision test findings among children aged 6 to 11 years in the United States, based on findings from the Health…
Descriptors: Children, Demography, Exceptional Child Research, National Surveys
Groffman, Sidney – 1970
An experimental test of visual closure based on an information-theory concept of perception was devised to test the ability to discriminate visual stimuli with reduced cues. The test is to be administered in a timed individual situation in which the subject is presented with sets of incomplete drawings of simple objects that he is required to name…
Descriptors: Behavior Patterns, Children, Correlation, Depth Perception
Lovelace, Kelly; Rhodes, Heidi; Chambliss, Catherine – 2001
This report discusses the outcomes of a study that explored the feasibility of using vision therapy (VT) as part of an interdisciplinary approach to the education of children with autism. Traditional research on VT has explored its usefulness in helping patients to use both eyes together, improve depth perception, and enhance visual acuity.…
Descriptors: Autism, Children, Elementary Secondary Education, Interdisciplinary Approach
Blea, William A. – 1977
Provided is a collection of presentations from a conference for ophthalmologists, optometrists, and educators meeting to exchange their concerns and share knowledge on various types of sensory handicaps of deaf blind children. The conference is seen as an introduction to the needs of deaf blind children and to the importance of stating diagnostic…
Descriptors: Children, Clinical Diagnosis, Conference Reports, Deaf Blind