Comparison of the mental status of 30 subjects with Down's Syndrome mosaicism and 30 matched subjects with trisomy 21 Down's Syndrome found that the mean intelligent quotient of the mosaic Down's Syndrome group was significantly higher and that this group showed better verbal abilities and more normal visual-perceptual skills. (Author/DB)

Examines how reference points for the categorical interpretation of high and low (adjectives) were defined by three- to five-year-old children and adults. Shows categorical interpretations of relative terms to be complex dependent. (HOD)

This report, arising from a 1991 meeting, provides an update to two of the six areas covered in the 1989 long-term plan of the National Institute on Deafness and Other Communication Disorders. These include: (1) balance and the vestibular system; and (2) language and language impairments. For each area, the state of the art is reviewed, recent…

Investigates the relationship between auditory and visual processing modality and strategy instruction in first- and second-grade children. Determines sentence strategy to be effective for both auditory and visual processing. (HOD)

This book consists of 31 papers focusing on aspects of child development. Mainly reports of research, papers are grouped topically into four sections dealing respectively with perceptual, language/communication, cognitive, and social development. Most of the nine papers in section 1 focus on the perceptual development of infants. Topics include…