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ÉTUDE DES PROCESSUS PRÉPARATOIRES IMPLIQUÉS DANS LA
COORDINATION POSTURE/MOUVEMENT

Effets de la période préparatoire sur les ajustements posturaux anticipés

Abstract : The achievement of a voluntary movement implies setting up preparatory processes which predetermine the effectiveness of the motor behavior. This motor preparation can be dependent on temporal and/or event uncertainties taken into account by the central nervous system in order to carry out the motor act. However, this intentional motor activity is confronted with two apparently contradictory requirements which are on the one hand, the movement of certain body segments directed towards a goal and on the other, the stabilization of the other segments of the body in order to maintain balance. This work aims at crossing the data from the field of mental chronometry with the data from the field of postural control so as to highlight the impact of motor preparation on the coordination between posture and movement. The Research study presented here aims at modifying the quality of motor preparation in order to 1) demonstrate that the coordination posture/movement is dependent on preparatory processes, and 2) evaluate this preparation by looking at the effects of temporal and event uncertainties on the anticipatory postural adjustments (APAs).
Thus, this doctoral work supports the idea that the postural component of a posturo-kinetics task is dependent on a preparation. The latter influences it through the various impacts it has on the data processing system.
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https://tel.archives-ouvertes.fr/tel-00152427
Contributor : Rémy Cuisinier <>
Submitted on : Wednesday, June 6, 2007 - 5:33:27 PM
Last modification on : Friday, November 6, 2020 - 4:10:27 AM
Long-term archiving on: : Thursday, April 8, 2010 - 5:32:11 PM

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Rémy Cuisinier. ÉTUDE DES PROCESSUS PRÉPARATOIRES IMPLIQUÉS DANS LA
COORDINATION POSTURE/MOUVEMENT

Effets de la période préparatoire sur les ajustements posturaux anticipés. Neurosciences [q-bio.NC]. Université Joseph-Fourier - Grenoble I, 2006. Français. ⟨tel-00152427⟩

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