Psycholinguistic abilities of children with Williams syndrome.
The objective of this study was to investigate the psycholinguistic abilities of children with Williams syndrome (WS) and typically developing children using the Illinois Test of Psycholinguistic Abilities (ITPA). Performance on the ITPA was analysed in a group with WS (N=20, mean age=8.5 years, SD=1.62) and two typically developing groups, matched in mental (MA, N=20, mean age=4.92 years, SD=1.14) and chronological age (CA, N=19, mean age=8.35 years, SD=3.07). Overall, within-group analyses showed that individuals with WS displayed higher scalar scores on the visual reception and visual association subtests. When groups were compared, we observed inferior performance of the WS group on all ITPA subtests when compared with typically developing groups. Moreover, an interaction between reception and group was found, only the WS group demonstrated superior performance on the visual reception subtest when compared to the auditory reception subtest. Evidence from this study offers relevant contributions to the development of educational intervention programs for children with WS.
Department of Speech-Language Pathology, University Estadual Paulista, Marília, São Paulo, Brazil. nataliafreitasrossi@yahoo.com.br
Natalia F
NF
Rossi
Elena
E
Garayzábal Heinze
Célia M
CM
Giacheti
Oscar F
OF
Gonçalves
Adriana
A
Sampaio
D001076:Aptitude; D001308:Auditory Perceptual Disorders / Q000175:diagnosis* / Q000523:psychology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007805:Language Development Disorders / Q000175:diagnosis* / Q000523:psychology; D007807:Language Tests / Q000706:statistics & numerical data; D008297:Male; D009483:Neuropsychological Tests / Q000706:statistics & numerical data; D010468:Perceptual Disorders / Q000175:diagnosis* / Q000523:psychology; D011578:Psycholinguistics; D011594:Psychometrics / Q000706:statistics & numerical data; D012016:Reference Values; D015203:Reproducibility of Results; D014796:Visual Perception; D014888:Wechsler Scales; D018980:Williams Syndrome / Q000175:diagnosis* / Q000523:psychology