Spontaneous Gesture Production and Lexical Abilities in Children With Specific Language Impairment in a Naming Task

Purpose

The purpose of the study was to investigate the role that cospeech gestures play in lexical production in preschool-age children with expressive specific language impairment (E-SLI).

Method

Fifteen preschoolers with E-SLI and 2 groups of typically developing (TD) children matched for chronological age (n = 15, CATD group) and for language abilities (n = 15, LATD group) completed a picture-naming task. The accuracy of the spoken answers (coded for types of correct and incorrect answers), the modality of expression (spoken and/or gestural), types of gestures, and semantic relationship between gestures and speech produced by children in the different groups were compared.

Results

Children with SLI produced higher rates of phonological simplifications and unintelligible answers than CATD children, but lower rates of semantic errors than LATD children. They did not show a significant preference for spoken answers, as TD children did. Similarly to LATD children, they used gestures at higher rates than CATD, both deictic and representational, and both reinforcing the information conveyed in speech and adding correct information to co-occurring speech.

Conclusions

These findings support the hypotheses that children with SLI rely on gestures for scaffolding their speech and do not have a clear preference for the spoken modality, as TD children do, and have implications for educational and clinical practice.

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