Traduction et Langues
Volume 9, Numéro 1, Pages 63-73

Invariance Of Speech Percepts

Authors : Zoubida Sebbane .


In the study of speech acquisition a fundamental question is about the invariance of the ultimate, percepts or features. Examination of various data on place and voicing suggests the following points. Features correspond to natural boundaries between sounds, which are included in the infant's predispositions for speech perception. Adult percepts arise from coupling and contextual interaction between features. Both coupling and interaction contribute to invariance. The perceptual invariance seems to be grounded on a radial representation of the vocal tract around a singular point at which boundaries are context-free, natural and coincide with the neutral vocoïds.


Adult percepts -speech acquisition -speech perception-infant's predispositions