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A perceptual correlate of the labial-coronal effect
Marc Sato1, Nathalie Vallée, Jean-Luc Schwartz
1Institut de la Communication Parlée, UMR CNRS N 5009, Université Stendhal, BP25, 38040 Grenoble Cedex 9, France.
Journal of Speech, Language, and Hearing Research : JSLHR
|December 7, 2007
Summary
French adults show a perceptual preference for the labial-coronal (LC) speech pattern over the coronal-labial (CL) pattern. This labial-coronal effect influences how we process spoken language in real-time.
Area of Science:
- Phonetics and Speech Science
- Psycholinguistics
- Cognitive Science
Background:
- Previous research indicates a cross-linguistic preference for initiating words with a labial-coronal consonant-vowel-coronal consonant sequence.
- Speech motor constraints are hypothesized as the underlying cause of this labial-coronal effect.
Purpose of the Study:
- To investigate the perceptual correlate of the labial-coronal effect in French adults.
- To determine if this effect influences online speech processing.
Main Methods:
- Examined perceptual stabilities of disyllabic sequences (labial-vowel-coronal-vowel vs. coronal-vowel-labial-vowel).
- Utilized the verbal transformation effect with rapidly repeated speech stimuli.
- Conducted two experiments using voiced and unvoiced plosive consonants.
Main Results:
- Labial-coronal (LC) stimuli demonstrated greater perceptual stability and attractiveness compared to coronal-labial (CL) stimuli.
- Listeners exhibited a more natural segmentation of continuous speech into LC units.
Conclusions:
- The labial-coronal effect is present in online speech processing.
- Findings support theories linking speech perception and action in the human speech processing system.
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