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Article Dans Une Revue Journal of Motor Behavior Année : 2020

Highs and lows in motor control development

Résumé

Motor control is classically described as relying on two components: anticipatory control (feedforward processing) and online control (feedback processing). Here we aimed to unveil the developmental steps of both feedback and feedforward control in 5-10 years old children, using a simple and ecological task. We manipulated object's weight in a reach-to-displace paradigm. When the weight was known before lifting it, anticipatory processes were quantifiable during the reaching phase. Conversely, an unknown weight triggered online corrections during the displacing phase. Movement kinematics revealed that children anticipate this objet property as young as 5 y-o. This anticipation becomes adequate around 7 y-o and is paralleled by poor online corrections. This simple yet relevant paradigm should allow quantifying deviations from neurotypical patterns in disorders of motor control.
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Dates et versions

hal-02407023 , version 1 (12-12-2019)

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Marie Martel, Pierre Fourneret, Livio Finos, Christina Schmitz, Alice Catherine Roy. Highs and lows in motor control development. Journal of Motor Behavior, 2020, 52 (4), pp.404-417. ⟨10.1080/00222895.2019.1643283⟩. ⟨hal-02407023⟩
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