The greeting behavior of fragile X males

Mentally retarded males with a fragile site on the X chromosome (Xq27) were observed to exhibit a highly idiosyncratic but well-coordinated, stereotypic form of gaze avoidance during greeting ceremonies that involved the whole upper body. A comparison group of persons with other etiologically define...

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Bibliographic Details
Published in:	American journal of mental retardation Vol. 93; no. 4; p. 406
Main Authors:	Wolff, P H, Gardner, J, Paccla, J, Lappen, J
Format:	Journal Article
Language:	English
Published:	United States 01-01-1989
Subjects:	Adolescent Adult Down Syndrome - psychology Fragile X Syndrome - genetics Fragile X Syndrome - psychology Gestures Heterozygote Humans Intellectual Disability - psychology Interpersonal Relations Male Nonverbal Communication Sex Chromosome Aberrations - psychology Stereotyped Behavior Verbal Behavior
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Summary:	Mentally retarded males with a fragile site on the X chromosome (Xq27) were observed to exhibit a highly idiosyncratic but well-coordinated, stereotypic form of gaze avoidance during greeting ceremonies that involved the whole upper body. A comparison group of persons with other etiologically defined syndromes of mental retardation did not. Results suggest that the aberrant greeting behavior may be uniquely associated with one syndrome of mental retardation with a defined genetic etiology. The behavior pattern does not appear until middle childhood, however, and its developmental induction remains to be explained.
ISSN:	0895-8017