This study reexamines factor analyses from which A. J. Ayres claimed to have identified perceptual-motor factors found in the scores of children with learning disabilities but not normally learning children. The reappraisal finds no support for the claim, and as a result, no support for derived diagnostic procedures or remedial programs.…

Because some learning disorders in children may be associated with perceptual-motor dysfunction, this study tested the effects of sensorimotor treatment on learning disorders and explored the nature of neurodevelopmental disorders. In Part One, 64 neuromuscular, perceptual, and cognitive measurements made on 36 educationally handicapped children…