The current prospective cohort study investigated whether early perceptual abilities, measured at preschool age, could predict later intellectual abilities at school age in a group of 41 autistic (9 girls, 32 boys) and 57 neurotypical children (29 girls, 28 boys). More than 80% of the autistic children were considered minimally verbal.…

Sixteen students (6-26 years old) with developmental dyslexia or hyperactivity and 16 controls were administered the Peabody Picture Vocabulary Test (PPVT) and the Revised test (PPVT-R). Increased numbers of perceptually loaded plates accounted for a decrease in IQ scores for dyslexic hyperactive Ss on the revised test. (CL)

The effects of four different kinds of perceptual training programs on IQ and Reading Readiness in a population of lower socio-economic level kindergarten children were explored to provide useful information for curriculum planning. Data was gathered on 54 disadvantaged 5-year olds in an OEO day care center. During the afternoon session, children…