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J Autism Dev Disord. 2010 May;40(5):555-69. doi: 10.1007/s10803-009-0902-5.

What automated vocal analysis reveals about the vocal production and language learning environment of young children with autism.

Author information

1
Institute for Life Span Studies, University of Kansas, Lawrence, 66045-7555, USA. sfwarren@ku.edu

Abstract

The study compared the vocal production and language learning environments of 26 young children with autism spectrum disorder (ASD) to 78 typically developing children using measures derived from automated vocal analysis. A digital language processor and audio-processing algorithms measured the amount of adult words to children and the amount of vocalizations they produced during 12-h recording periods in their natural environments. The results indicated significant differences between typically developing children and children with ASD in the characteristics of conversations, the number of conversational turns, and in child vocalizations that correlated with parent measures of various child characteristics. Automated measurement of the language learning environment of young children with ASD reveals important differences from the environments experienced by typically developing children.

PMID:
19936907
DOI:
10.1007/s10803-009-0902-5
[Indexed for MEDLINE]

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