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Interaction between emotion and postural control associated with forward or backward step initiation
This study investigated the impact of emotion-eliciting images on anticipatory postural adjustments (APAs) associated to forward or backward step initiation. Eighteen healthy young women initiated the two kinds of steps in two conditions: (1) if they judged the image as pleasant or unpleasant, respe...
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Published in: | Movement & sport sciences 2017 (98), p.31-38 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | This study investigated the impact of emotion-eliciting images on anticipatory postural adjustments (APAs) associated to forward or backward step initiation. Eighteen healthy young women initiated the two kinds of steps in two conditions: (1) if they judged the image as pleasant or unpleasant, respectively (i.e. congruent condition) and (2) if they judged the image as unpleasant or pleasant, respectively (i.e. incongruent condition). Nine participants performed the congruent condition first while the others performed it in second. The results show that the emotional effect (i.e. the difference between the congruent and incongruent conditions) on APAs associated to forward step only differs according to the axis (anterior-posterior, medio-lateral) that is considered, suggesting a specific emotional component of postural stability.
Cette étude analyse l'impact d'images émotionnelles sur les ajustements posturaux anticipés (APA) associés à l'initiation du simple pas vers l'avant ou vers l'arrière. Dix-huit jeunes femmes saines initiaient ces deux types de simples pas dans deux conditions : (1) si elles jugeaient l'image plaisante ou déplaisante, respectivement (i.e. condition congruente) et (2) si elles jugeaient l'image déplaisante ou plaisante, respectivement (i.e. condition non congruente). Neuf participantes réalisaient la condition congruente en premier lieu alors que les 9 autres réalisaient cette condition en second lieu. Les résultats montrent que l'effet des émotions (différence entre les conditions congruente et non congruente) sur les APA associés aux simples pas vers l'avant uniquement, diffèrent suivant l'axe considéré (antéro-postérieur, médio-latéral), suggérant une composante émotionnelle spécifique du contrôle postural médio-latéral. |
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ISSN: | 2118-5735 2118-5743 |
DOI: | 10.1051/sm/2017012 |