As young fully mutated fragile X [fra(X)] males age, cognitive levels (IQ scores) and adaptive behavior levels (DQ scores) decline. Given the variable behavioral profiles reported previously, we wondered whether changes in specific attributes of adaptive behavior are related to declines in composite
Longitudinal course of behavioral and emotional problems in fragile X syndrome
β Scribed by Einfeld, Stewart; Tonge, Bruce; Turner, Gillian
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 33 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0148-7299
- DOI
- 10.1002/(sici)1096-8628(19991222)87:5<436::aid-ajmg13>3.0.co;2-m
No coin nor oath required. For personal study only.
β¦ Synopsis
We describe a follow-up of a study of behavior and emotional problems in a cohort of young people with Fragile X syndrome over 7 years. The study demonstrates that there is substantial persistence of the overall level of behavior and emotional problems. However, there are changes in certain types of behavior. Scores on the "disruptive" subscale of the Developmental Behavior Checklist decline significantly, whereas those on the "antisocial" subscale increase significantly. These changes parallel those seen in a large epidemiological control sample of young people with intellectual disability due to other causes. Further, two individual behaviors that distinguished the Fragile X individuals from the control individuals in the original study, namely "shy" and "avoids eye contact," continue to do so 7 years later.
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In prospective studies of young, fragile X [fra(X)] males with the full mutation, cognitive abilities (IQ scores) and adaptive behavior levels (DQ scores) declined in most subjects tested. Little is known about longitudinal changes in IQ and DQ scores in young fra(X) females, although one earlier re
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