Recent studies indicate that children with ASD have a significantly higher risk of co-occurring speech sound disorders than typically developing children. Early atypical speech development may be a critical yet overlooked bottleneck hindering their language improvement. Given the unique phonetic features of Mandarin, it is essential to investigate speech development in Mandarin-speaking children with ASD. This study aims to construct developmental trajectories and establish early identification and prognosis prediction models for this population.
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The language ability of ASD group and TD group by Dream-it
Timeframe: Baseline enrollment；3 months ,6 months ,9 months and 12 months after follow-up
The language ability of ASD group and TD group by free-play session with one parent
Timeframe: Baseline enrollment; 3 months, 6 months, 9 months and 12 months after follow-up