Audiovisual Speech Perception in Children with Autism Spectrum Disorders: Evidence from Visual Phonemic Restoration
| Autor: | Nicole Landi, Daniel Kleinman, Julia Irwin, Trey Avery |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Consonant
medicine.medical_specialty Speech perception genetic structures media_common.quotation_subject 05 social sciences Context (language use) Audiology medicine.disease behavioral disciplines and activities 03 medical and health sciences 0302 clinical medicine Autism spectrum disorder Perception Developmental and Educational Psychology medicine Autism 0501 psychology and cognitive sciences Audiovisual speech Syllable Psychology 030217 neurology & neurosurgery 050104 developmental & child psychology media_common |
| Zdroj: | Journal of Autism and Developmental Disorders. 52:28-37 |
| ISSN: | 1573-3432 0162-3257 |
| Popis: | Children with autism spectrum disorders have been reported to be less influenced by a speaker's face during speech perception than those with typically development. To more closely examine these reported differences, a novel visual phonemic restoration paradigm was used to assess neural signatures (event-related potentials [ERPs]) of audiovisual processing in typically developing children and in children with autism spectrum disorder. Video of a speaker saying the syllable /ba/ was paired with (1) a synthesized /ba/ or (2) a synthesized syllable derived from /ba/ in which auditory cues for the consonant were substantially weakened, thereby sounding more like /a/. The auditory stimuli are easily discriminable; however, in the context of a visual /ba/, the auditory /a/ is typically perceived as /ba/, producing a visual phonemic restoration. Only children with ASD showed a large /ba/-/a/ discrimination response in the presence of a speaker producing /ba/, suggesting reduced influence of visual speech. |
| Databáze: | OpenAIRE |
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