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Fishler, Karol; Koch, Richard – American Journal on Mental Retardation, 1991
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)
Descriptors: Child Development, Downs Syndrome, Genetics, Intelligence
Peer reviewedFurby, Lita – Journal of General Psychology, 1971
Descriptors: Child Development, Grade 5, Perception, Perceptual Development
Wilhelms, Fred T. – NASSP Bull, 1969
Part I of a 3-part report. See also AA 501 769 through AA 501 772.
Descriptors: Child Development, Cognitive Development, Enrichment, Environmental Influences
