Social communication disorder outside autism? A diagnostic classification approach to delineating pragmatic language impairment, high functioning autism and specific language impairment.
Autor: | Gibson, Jenny, Adams, Catherine, Lockton, Elaine, Green, Jonathan |
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Předmět: |
LANGUAGE disorder diagnosis
ALGORITHMS ANALYSIS of variance AUTISM CHI-squared test CONFIDENCE intervals STATISTICAL correlation DECISION making DIAGNOSIS EPIDEMIOLOGY INTELLIGENCE tests LANGUAGE disorders MULTIVARIATE analysis PSYCHOLOGICAL tests QUESTIONNAIRES RESEARCH funding STATISTICS LOGISTIC regression analysis DATA analysis DISABILITIES MULTIPLE regression analysis REPEATED measures design DESCRIPTIVE statistics SYMPTOMS CHILDREN |
Zdroj: | Journal of Child Psychology; Nov2013, Vol. 54 Issue 11, p1186-1197, 12p, 1 Diagram, 3 Charts, 2 Graphs |
Abstrakt: | Background Developmental disorders of language and communication present considerable diagnostic challenges due to overlapping of symptomatology and uncertain aetiology. We aimed to further elucidate the behavioural and linguistic profile associated with impairments of social communication occurring outside of an autism diagnosis. Methods Six to eleven year olds diagnosed with pragmatic language impairment ( PLI), high functioning autism ( HFA) or specific language impairment ( SLI) were compared on measures of social interaction with peers ( PI), restricted and repetitive behaviours/interests ( RRBIs) and language ability. Odds ratios ( OR) from a multinomial logistic regression were used to determine the importance of each measure to diagnostic grouping. MANOVA was used to investigate differences in subscale scores for the PI measure. Results Greater degrees of PI difficulties ( OR = 1.22, 95% CI = 1.05-1.41), RRBI ( OR = 1.23, 95% CI = 1.06-1.42) and expressive language ability ( OR = 1.16, 95% CI = 1.03-1.30) discriminated HFA from PLI. PLI was differentiated from SLI by elevated PI difficulties ( OR = 0.82, 95% CI = 0.70-0.96) and higher expressive language ability ( OR = 0.88, 95% CI = 0.77-0.98), but indistinguishable from SLI using RRBI ( OR = 1.01, 95% CI=0.94-1.09). A significant effect of group on PI subscales was observed (θ = 1.38, F(4, 56) = 19.26, p < .01) and PLI and HFA groups shared a similar PI subscale profile. Conclusions Results provide empirical support for a conceptualisation of PLI as a developmental impairment distinguishable from HFA by absence of RRBIs and by the presence of expressive language difficulties. PI difficulties appear elevated in PLI compared with SLI, but may be less pervasive than in HFA. Findings are discussed with reference to the proposed new category of 'social communication disorder' in DSM-5. [ABSTRACT FROM AUTHOR] |
Databáze: | Complementary Index |
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