Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 41, Issue 8, Pages 1019-1032Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-010-1125-5
Keywords
Behavioral phenotype; Autism spectrum disorder; Hyperactivity; Impulsivity; Affect; Genetic syndromes
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We investigated autism spectrum disorder (ASD) symptomatology, hyperactivity and affect in seven genetic syndromes; Angelman (AS; n = 104), Cri du Chat (CdCS; 58), Cornelia de Lange (CdLS; 101), Fragile X (FXS; 191), Prader-Willi (PWS; 189), Smith-Magenis (SMS; 42) and Lowe (LS; 56) syndromes (age range 4-51). ASD symptomatology was heightened in CdLS and FXS. High levels of impulsivity were seen in SMS, AS, CdCS, FXS and adults with CdLS. Negative affect was prominent in adults with CdLS, while positive affect was prominent in adults with AS and FXS. Heightened levels of overactivity and impulsivity were identified in FXS, AS and SMS while low levels were identified in PWS. These findings confirm and extend previously reported behavioral phenotypes.
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