Neural Processing of Congruent and Incongruent Audiovisual Speech in School-Age Children and Adults

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http://hdl.handle.net/10138/326280

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Heikkila , J , Tiippana , K , Loberg , O & Leppänen , P H T 2018 , ' Neural Processing of Congruent and Incongruent Audiovisual Speech in School-Age Children and Adults ' , Language Learning , vol. 68 , pp. 58-79 . https://doi.org/10.1111/lang.12266

Title: Neural Processing of Congruent and Incongruent Audiovisual Speech in School-Age Children and Adults
Author: Heikkila, Jenni; Tiippana, Kaisa; Loberg, Otto; Leppänen, Paavo H. T.
Contributor: University of Helsinki, Perception Action Cognition
University of Helsinki, Medicum
Date: 2018-06
Language: eng
Number of pages: 22
Belongs to series: Language Learning
ISSN: 0023-8333
URI: http://hdl.handle.net/10138/326280
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, the McGurk 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.
Subject: audiovisual
speech
McGurk effect
development
EEG
neural processing
MISMATCH NEGATIVITY MMN
HUMAN AUDITORY-CORTEX
VISUAL SPEECH
ELECTROPHYSIOLOGICAL EVIDENCE
INTERINDIVIDUAL DIFFERENCES
SELECTIVE-ATTENTION
SEEING VOICES
PERCEPTION
INFANTS
MATURATION
515 Psychology
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