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Peer reviewedRogow, Sally M. – British Journal of Visual Impairment, 1987
The manual development of 148 blind, visually impaired, and visually impaired multi-handicapped students, aged 3-19, was studied. Results indicated a significant relationship between object manipulation and speech, and an inverse relationship between object manipulation and stereotypic hand mannerisms. Optimal development of manual functions and…
Descriptors: Blindness, Body Language, Child Development, Elementary Secondary Education
Peer reviewedPotenski, Donald H. – Mental Retardation, 1993
Nineteen people (ages 11-21) with profound mental retardation and multiple handicaps were given visual stimulation in a blacklight environment. Results indicated that students performed better under conditions of blacklight than normal light for tracking and reaching, as the blacklight removed distracting stimuli and exaggerated critical features.…
Descriptors: Children, Environmental Influences, Light, Lighting
