Auditory-Visual Integration for Speech by Children With and Without Specific Language Impairment

Norrix, Linda W.; Plante, Elena; Vance, Rebecca; Boliek, Carol A.

doi:10.1044/1092-4388(2007/111)

Cited by 40 publications

(37 citation statements)

References 48 publications

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“…To sum up, the less accurate recognition of visual speech can explain the weaker McGurk effect in the children with developmental language disorders, as well as the lack of impact of SNR on their pattern of auditory and visual responses. This conclusion is in agreement with Norrix et al (2007) and Leybaert and Colin (2008). …”

Section: Introductionsupporting

confidence: 93%

“…A few studies examined this question. It appeared that visual articulatory cues influenced adults and children with language impairment to a lesser extend than participants with TLD (Ramirez and Mann, 2005; Norrix et al, 2007; Leybaert and Colin, 2008; Meronen et al, 2013). Ramirez and Mann (2005) compared adults with dyslexia and with auditory neuropathy (AN) to adults with TLD.…”

Section: Introductionmentioning

confidence: 99%

“…Norrix et al (2007) presented pre-school children with TLD and with SLI with three syllables /bi/, /di/ and /gi/ in AO, AV congruent and AV incongruent McGurk stimuli (A/bi/ V/gi/ for example). Speechreading ability was not measured.…”

Section: Introductionmentioning

confidence: 99%

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Atypical audio-visual speech perception and McGurk effects in children with specific language impairment

et al. 2014

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Audiovisual speech perception of children with specific language impairment (SLI) and children with typical language development (TLD) was compared in two experiments using /aCa/ syllables presented in the context of a masking release paradigm. Children had to repeat syllables presented in auditory alone, visual alone (speechreading), audiovisual congruent and incongruent (McGurk) conditions. Stimuli were masked by either stationary (ST) or amplitude modulated (AM) noise. Although children with SLI were less accurate in auditory and audiovisual speech perception, they showed similar auditory masking release effect than children with TLD. Children with SLI also had less correct responses in speechreading than children with TLD, indicating impairment in phonemic processing of visual speech information. In response to McGurk stimuli, children with TLD showed more fusions in AM noise than in ST noise, a consequence of the auditory masking release effect and of the influence of visual information. Children with SLI did not show this effect systematically, suggesting they were less influenced by visual speech. However, when the visual cues were easily identified, the profile of responses to McGurk stimuli was similar in both groups, suggesting that children with SLI do not suffer from an impairment of audiovisual integration. An analysis of percent of information transmitted revealed a deficit in the children with SLI, particularly for the place of articulation feature. Taken together, the data support the hypothesis of an intact peripheral processing of auditory speech information, coupled with a supra modal deficit of phonemic categorization in children with SLI. Clinical implications are discussed.

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Section: Introductionsupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

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Atypical audio-visual speech perception and McGurk effects in children with specific language impairment

et al. 2014

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“…The neuromagnetic activations in the left posterior temporal and inferior frontal regions were considered to be localized to Wernicke's and Broca's areas, respectively. Neuromagnetic activations in the language cortices have been studied in previous reports [11]. The language areas identified in the present study are in agreement with these previous reports.…”

Section: Discussionsupporting

confidence: 94%

A New Application of MEG and DTI on Word Recognition

Liu

Xiang

Zhao

et al. 2010

2010 20th International Conference on Pattern Recognition

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This paper presented a novel application of Magnetoencephalography (MEG) and diffusion tensor image (DTI) on word recognition, in which the spatiotemporal signature and the neural network of brain activation associated with word recognition were investigated. The word stimuli consisted of matched and mismatched words, which were visually and acoustically presented simultaneously. Twenty participants were recruited to distinguish and gave different reactions to these two types of stimuli. The neural activations caused by their reactions were recorded by MEG system and 3T magnetic DTI scanner. Virtual sensor technique and wavelet beamformer source analysis, which were state-of-the-art methods, were used to study the MEG and DTI data. Three responses were evoked in the MEG waveform and M160 was identified in the left temporal-occipital junction. All the results coincided with the previous studies' conclusions, which indicated that the integration of virtual sensor and wavelet beamformer were effective techniques in analyzing the MEG and DTI data.

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“…On the one hand children with SLI spend more time fi xating the speaking mouth than typical controls, possibly to compensate for auditory processing defi cits (Hosozawa, Tanaka, Shimizu, Nakano, & Kitazawa, 2012). But on the other, the use of visual cues during audiovisual speech integration is known to be less effi cient in children and adults with language-learning disabilities (Norrix, Plante, & Vance, 2006;Norrix, Plante, Vance, & Boliek, 2007). Several behavioural studies used the McGurk paradigm to investigate atypical development.…”

Section: Future Directionsmentioning

confidence: 99%

Developmental Trajectory of Audiovisual Speech Integration in Early Infancy. A Review of Studies Using the McGurk Paradigm

Tomalski

2015

Psychology of Language and Communication

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Apart from their remarkable phonological skills young infants prior to their fi rst birthday show ability to match the mouth articulation they see with the speech sounds they hear. Th ey are able to detect the audiovisual confl ict of speech and to selectively att end to articulating mouth depending on audiovisual congruency. Early audiovisual speech processing is an important aspect of language development, related not only to phonological knowledge, but also to language production during subsequent years. Th is article reviews recent experimental work delineating the complex developmental trajectory of audiovisual mismatch detection. Th e central issue is the role of age-related changes in visual scanning of audiovisual speech and the corresponding changes in neural signatures of audiovisual speech processing in the second half of the fi rst year of life. Th is phenomenon is discussed in the context of recent theories of perceptual development and existing data on the neural organisation of the infant 'social brain'.

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Auditory-Visual Integration for Speech by Children With and Without Specific Language Impairment

Cited by 40 publications

References 48 publications

Atypical audio-visual speech perception and McGurk effects in children with specific language impairment

Atypical audio-visual speech perception and McGurk effects in children with specific language impairment

A New Application of MEG and DTI on Word Recognition

Developmental Trajectory of Audiovisual Speech Integration in Early Infancy. A Review of Studies Using the McGurk Paradigm

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