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Audiovisual Speech Perception and Eye Gaze Behavior of Adults with Asperger Syndrome / Satu SAALASTI in Journal of Autism and Developmental Disorders, 42-8 (August 2012)
[article]
Titre : Audiovisual Speech Perception and Eye Gaze Behavior of Adults with Asperger Syndrome Type de document : Texte imprimé et/ou numérique Auteurs : Satu SAALASTI, Auteur ; Jari V. KATSYRI, Auteur ; Kaisa TIIPPANA, Auteur ; Mari LAINE-HERNANDEZ, Auteur ; Lennart VON WENDT, Auteur ; Mikko E. SAMS, Auteur Année de publication : 2012 Article en page(s) : p.1606-1615 Langues : Anglais (eng) Mots-clés : Asperger syndrome Autism spectrum disorders Multisensory integration Audiovisual speech Eye gaze behavior Perception Index. décimale : PER Périodiques Résumé : Audiovisual speech perception was studied in adults with Asperger syndrome (AS), by utilizing the McGurk effect, in which conflicting visual articulation alters the perception of heard speech. The AS group perceived the audiovisual stimuli differently from age, sex and IQ matched controls. When a voice saying /p/ was presented with a face articulating /k/, the controls predominantly heard /k/. Instead, the AS group heard /k/ and /t/ with almost equal frequency, but with large differences between individuals. There were no differences in gaze direction or unisensory perception between the AS and control participants that could have contributed to the audiovisual differences. We suggest an explanation in terms of weak support from the motor system for audiovisual speech perception in AS. En ligne : http://dx.doi.org/10.1007/s10803-011-1400-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=178
in Journal of Autism and Developmental Disorders > 42-8 (August 2012) . - p.1606-1615[article] Audiovisual Speech Perception and Eye Gaze Behavior of Adults with Asperger Syndrome [Texte imprimé et/ou numérique] / Satu SAALASTI, Auteur ; Jari V. KATSYRI, Auteur ; Kaisa TIIPPANA, Auteur ; Mari LAINE-HERNANDEZ, Auteur ; Lennart VON WENDT, Auteur ; Mikko E. SAMS, Auteur . - 2012 . - p.1606-1615.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 42-8 (August 2012) . - p.1606-1615
Mots-clés : Asperger syndrome Autism spectrum disorders Multisensory integration Audiovisual speech Eye gaze behavior Perception Index. décimale : PER Périodiques Résumé : Audiovisual speech perception was studied in adults with Asperger syndrome (AS), by utilizing the McGurk effect, in which conflicting visual articulation alters the perception of heard speech. The AS group perceived the audiovisual stimuli differently from age, sex and IQ matched controls. When a voice saying /p/ was presented with a face articulating /k/, the controls predominantly heard /k/. Instead, the AS group heard /k/ and /t/ with almost equal frequency, but with large differences between individuals. There were no differences in gaze direction or unisensory perception between the AS and control participants that could have contributed to the audiovisual differences. We suggest an explanation in terms of weak support from the motor system for audiovisual speech perception in AS. En ligne : http://dx.doi.org/10.1007/s10803-011-1400-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=178 Attention to audiovisual speech does not facilitate language acquisition in infants with familial history of autism / Katarzyna CHAWARSKA in Journal of Child Psychology and Psychiatry, 63-12 (December 2022)
[article]
Titre : Attention to audiovisual speech does not facilitate language acquisition in infants with familial history of autism Type de document : Texte imprimé et/ou numérique Auteurs : Katarzyna CHAWARSKA, Auteur ; David LEWKOWICZ, Auteur ; Hannah FEINER, Auteur ; Suzanne MACARI, Auteur ; Angelina VERNETTI, Auteur Article en page(s) : p.1466-1476 Langues : Anglais (eng) Mots-clés : Infant Child Humans Speech Autistic Disorder Genetic Predisposition to Disease Language Development Language Development Disorders Autism Spectrum Disorder Infancy attention audiovisual speech autism eye-tracking Index. décimale : PER Périodiques Résumé : BACKGROUND: Due to familial liability, siblings of children with ASD exhibit elevated risk for language delays. The processes contributing to language delays in this population remain unclear. METHODS: Considering well-established links between attention to dynamic audiovisual cues inherent in a speaker's face and speech processing, we investigated if attention to a speaker's face and mouth differs in 12-month-old infants at high familial risk for ASD but without ASD diagnosis (hr-sib; n=91) and in infants at low familial risk (lr-sib; n=62) for ASD and whether attention at 12 months predicts language outcomes at 18 months. RESULTS: At 12 months, hr-sib and lr-sib infants did not differ in attention to face (p = .14), mouth preference (p = .30), or in receptive and expressive language scores (p = .36, p = .33). At 18 months, the hr-sib infants had lower receptive (p = .01) but not expressive (p = .84) language scores than the lr-sib infants. In the lr-sib infants, greater attention to the face (p = .022) and a mouth preference (p = .025) contributed to better language outcomes at 18 months. In the hr-sib infants, neither attention to the face nor a mouth preference was associated with language outcomes at 18 months. CONCLUSIONS: Unlike low-risk infants, high-risk infants do not appear to benefit from audiovisual prosodic and speech cues in the service of language acquisition despite intact attention to these cues. We propose that impaired processing of audiovisual cues may constitute the link between genetic risk factors and poor language outcomes observed across the autism risk spectrum and may represent a promising endophenotype in autism. En ligne : http://dx.doi.org/10.1111/jcpp.13595 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490
in Journal of Child Psychology and Psychiatry > 63-12 (December 2022) . - p.1466-1476[article] Attention to audiovisual speech does not facilitate language acquisition in infants with familial history of autism [Texte imprimé et/ou numérique] / Katarzyna CHAWARSKA, Auteur ; David LEWKOWICZ, Auteur ; Hannah FEINER, Auteur ; Suzanne MACARI, Auteur ; Angelina VERNETTI, Auteur . - p.1466-1476.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-12 (December 2022) . - p.1466-1476
Mots-clés : Infant Child Humans Speech Autistic Disorder Genetic Predisposition to Disease Language Development Language Development Disorders Autism Spectrum Disorder Infancy attention audiovisual speech autism eye-tracking Index. décimale : PER Périodiques Résumé : BACKGROUND: Due to familial liability, siblings of children with ASD exhibit elevated risk for language delays. The processes contributing to language delays in this population remain unclear. METHODS: Considering well-established links between attention to dynamic audiovisual cues inherent in a speaker's face and speech processing, we investigated if attention to a speaker's face and mouth differs in 12-month-old infants at high familial risk for ASD but without ASD diagnosis (hr-sib; n=91) and in infants at low familial risk (lr-sib; n=62) for ASD and whether attention at 12 months predicts language outcomes at 18 months. RESULTS: At 12 months, hr-sib and lr-sib infants did not differ in attention to face (p = .14), mouth preference (p = .30), or in receptive and expressive language scores (p = .36, p = .33). At 18 months, the hr-sib infants had lower receptive (p = .01) but not expressive (p = .84) language scores than the lr-sib infants. In the lr-sib infants, greater attention to the face (p = .022) and a mouth preference (p = .025) contributed to better language outcomes at 18 months. In the hr-sib infants, neither attention to the face nor a mouth preference was associated with language outcomes at 18 months. CONCLUSIONS: Unlike low-risk infants, high-risk infants do not appear to benefit from audiovisual prosodic and speech cues in the service of language acquisition despite intact attention to these cues. We propose that impaired processing of audiovisual cues may constitute the link between genetic risk factors and poor language outcomes observed across the autism risk spectrum and may represent a promising endophenotype in autism. En ligne : http://dx.doi.org/10.1111/jcpp.13595 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490