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Analysis of the impact of a cognitive task on the posture of elderly subjects with depression compared with healthy elderly subjects

Abstract : Objective: While previous studies have demonstrated that depressive elderly subjects (DES) experience difficulties in the processing of simultaneous cognitive tasks, few have examined the coupling of cognitive tasks with seemingly 'automatic' tasks, such as standing upright. Current patient management focuses on pharmacological treatments and cognitive-behavioral therapies. Methods: Healthy elderly (HES) and non-treated DES were included. Postural sway in DES was compared with that in HES while in single-task and dual-task conditions. The single-task consisted of standing upright. For the dual-task, the subjects recalled various items from memory or counted while standing upright. Postural sway was evaluated by computing the center of pressure (CoP) area and path length. Results: DES showed greater postural sway than HES in all conditions. The HES showed a greater CoP area in the dual-task than in the single-task conditions. In DES, the CoP area in the single-task condition was similar to that in the dual-task condition. Conclusions: The greater postural sway observed in DES may be a cause of a greater risk of falls. We showed that even seemingly automatic tasks, such as maintaining an upright posture, are affected by depression. Significance: These results are important for the management of DES. (C) 2016 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01430653
Contributeur : Caps - Université de Bourgogne <>
Soumis le : mardi 10 janvier 2017 - 10:29:02
Dernière modification le : vendredi 21 décembre 2018 - 01:10:33

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Matthieu Casteran, Alain Putot, François Pfitzenmeyer, Elizabeth Thomas, Patrick Manckoundia. Analysis of the impact of a cognitive task on the posture of elderly subjects with depression compared with healthy elderly subjects. Clinical Neurophysiology, Elsevier, 2016, 127 (11), pp.3406 - 3411. ⟨10.1016/j.clinph.2016.09.007⟩. ⟨hal-01430653⟩

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