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Jongmans, Marian J.; Smits-Engelsman, Bouwien C. M.; Schoemaker, Marina M. – Journal of Learning Disabilities, 2003
This study examined consequences of the comorbidity of developmental coordination disorder (DCD) and learning disability (LD) for the severity and pattern of perceptual-motor dysfunction. Compared to children with only DCD, those with DCD and LD had poorer perceptual-motor ability, with particular difficulty performing manual dexterity and balance…
Descriptors: Developmental Disabilities, Elementary Secondary Education, Learning Disabilities, Multiple Disabilities

Potenski, 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