Do Individuals with High-Functioning Autism Who Speak a Tone Language Show Intonation Deficits?

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Abstract
This study investigated whether intonation deficits were observed in 19 Cantonese-speaking adults with high-functioning autism (HFA) when compared to 19 matched neurotypical (NT) controls. This study also investigated the use of sentence-final particles (SFPs) and their relationship with intonation in both groups. Standard deviations (SDs) of the fundamental frequency (F0), the total number and the type of SFPs were calculated based on narrative samples. The HFA group demonstrated significantly higher SD of F0 and a positive correlation between the type of SFPs and SD of F0. Both groups produced a similar total number and type of SFPs. The results supported the universality of atypical intonation in ASD. The relationship between intonation and SFPs could be further explored by focusing on sentences containing SFPs.
Funding Information
  • Small Project Funding, the University of Hong Kong (201209176020)

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