Audiovisual vowel monitoring and the word superiority effect in children

The goal of this study was to explore whether viewing the speaker’s articulatory gestures contributes to lexical access in children (ages 5–10) and in adults. We conducted a vowel monitoring task with words and pseudo-words in audio-only (AO) and audiovisual (AV) contexts with white noise masking th...

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Bibliographic Details
Published in:International journal of behavioral development 2012-11, Vol.36 (6), p.457-467
Main Authors: Fort, Mathilde, Spinelli, Elsa, Savariaux, Christophe, Kandel, Sonia
Format: Article
Language:English
Subjects:
Adults
Childhood
Children
Cognitive Processes
Dominance
Experiments
French
Gestures
Humanities and Social Sciences
Lexical access
Library and information sciences
Masking
Noise
Perception
Phonemes
Phonemics
Scores
Signals
Speech
Speeches
Stimuli
Superiority
Vocabulary
Vowels
Word Recognition
Young Children
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Summary:The goal of this study was to explore whether viewing the speaker’s articulatory gestures contributes to lexical access in children (ages 5–10) and in adults. We conducted a vowel monitoring task with words and pseudo-words in audio-only (AO) and audiovisual (AV) contexts with white noise masking the acoustic signal. The results indicated that children clearly benefited from visual speech from age 6–7 onwards. However, unlike adults, the word superiority effect was not greater in the AV than the AO condition in children, suggesting that visual speech mostly contributes to phonemic—rather than lexical—processing during childhood, at least until the age of 10.
ISSN:0165-0254
1464-0651
DOI:10.1177/0165025412447752