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Développement du contrôle moteur de la parole : une étude longitudinale d'un enfant francophone âge de 7 à 16 mois, à partir d'un corpus audio-visuel

Abstract : The first year of life can be considered as a crucial period for speech development in children. Indeed 6 months of age is the time when babbling, a key step for this development, appears under a form which is quite similar for all children in the world, whatever the language in which they are reared. It is a period when the child has no control over the nature of his productions and no ability to produce phonological units of his mother tongue. Around 12 months the child begins to produce his first words i.e. his first meaningful utterances. The child has followed a developmental path in which he has acquired new motor, articulatory and phonological skills. We studied the development of these capabilities with an approach at the crossroad of bottom-up (MacNeilage, 1998) and top-down (Fikkert et al. 2004, Wauquier, 2005, 2006) current scientific approaches. Indeed, it seems that the production of speech can not be explained outside the articulatory and motor control and acquisition. But so far it seems essential to take into account the structural features and constraints of the input language (Vihman, 1996). For us, the child must adapt to his mother tongue, as permitted by his articulatory motor skills, that will evolve with growth and cognitive maturation, while constantly comparing his productions with his native language. To evaluate these theoretical propositions, we developed a database composed by the vocal productions of a child aged from 7 to 16 months from an audio-visual corpus. Our question concerns the nature of early words. Yet if the control of mandibular oscillations can be described as the basic underlying structure in speech, the development of an adult-like language-specific syllable will imply three types of controls in addition to that of the mandible: (i) the control of the velum, which yields a fully oral vocal tract to produce salient consonant-vowel sequences, (ii) the control of the oro-laryngeal coordination to obtain the voiced vs unvoiced distinction and (iii) the rhythmic mandibular control which enables the child to adapt to the prosodic patterns of his mother tongue.
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Contributor : Claire Lalevee-Huart <>
Submitted on : Friday, March 25, 2011 - 1:59:13 PM
Last modification on : Wednesday, October 7, 2020 - 11:40:03 AM
Long-term archiving on: : Sunday, June 26, 2011 - 2:44:11 AM


  • HAL Id : tel-00579921, version 1


Claire Lalevée. Développement du contrôle moteur de la parole : une étude longitudinale d'un enfant francophone âge de 7 à 16 mois, à partir d'un corpus audio-visuel. Linguistique. Université de Grenoble, 2010. Français. ⟨tel-00579921⟩



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