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La directionnalité de l’écrit : Evolution développementale et contribution au traitement des formes de lettres

Abstract : Directionality is a crucial perceptual-motor and culturally-based component of early writing acquisition. This research was aimed at providing empirical data and new theoretical insights on 1) its developmental evolution and, 2) its contribution to the production and the recognition of the shapes of letters. Five studies have been devised to fulfill the research objectives.The first study was aimed at investigating how print experience, as a cultural factor, influences directional tendencies in children’s drawing in the interplay with biomechanical, syntactic and semantic factors. Results showed a reinforcement of cultural influence on directional tendencies from 6 years onward. Older children were better able to disengage from a prevalent embodied behavior to meet contextual constraints. The second study examined the specific developmental evolution of writing directionality in children aged from 4 to 11 years while producing the same shapes in both writing and drawing tasks. The results suggested that universal and culture-specific features of writing appear concomitantly and early on in children’s productions. Another two studies were aimed to empirically test competing accounts of mirror writing in preliterate children. On-line productions of paired conventional and mirror writings revealed a predominant role of writing directionality and a kinematic invariance. Finally, a training study showed a contribution of writing directionality to the subsequent recall of the shapes of letters. Results are discussed in terms of embodiment and perspectives in educational settings.
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Marine Portex. La directionnalité de l’écrit : Evolution développementale et contribution au traitement des formes de lettres. Psychologie. Université de Bordeaux, 2017. Français. ⟨NNT : 2017BORD0881⟩. ⟨tel-02408327⟩

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