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- Title
Neural Processing of Congruent and Incongruent Audiovisual Speech in School-Age Children and Adults.
- Authors
Heikkilä, Jenni; Tiippana, Kaisa; Loberg, Otto; Leppänen, Paavo H. T.
- Abstract
Seeing articulatory gestures enhances speech perception. Perception of auditory speech can even be changed by incongruent visual gestures, which is known as the McGurk effect (e.g., dubbing a voice saying /mi/ onto a face articulating /ni/, observers often hear /ni/). In children, theMcGurk effect is weaker than in adults, but no previous knowledge exists about the neural-level correlates of the McGurk effect in school-age children. Using brain event-related potentials, we investigated change detection responses to congruent and incongruent audiovisual speech in school-age children and adults. We used an oddball paradigm with a congruent audiovisual /mi/ as the standard stimulus and a congruent audiovisual /ni/ or McGurk A/mi/V/ni/ as the deviant stimulus. In adults, a similar change detection response was elicited by both deviant stimuli. In children, change detection responses differed between the congruent and the McGurk stimulus. This reflects a maturational difference in the influence of visual stimuli on auditory processing.
- Subjects
SPEECH perception; AUDITORY perception; LIPREADING; SPEECH therapy; NEUROSCIENCES
- Publication
Language Learning, 2018, Vol 68, p58
- ISSN
0023-8333
- Publication type
Article
- DOI
10.1111/lang.12266