The Stationary-Gaze Task Should Not Be ...
Type de document :
Article dans une revue scientifique
PMID :
URL permanente :
Titre :
The Stationary-Gaze Task Should Not Be Systematically Used as the Control Task in Studies of Postural Control
Auteur(s) :
Bonnet, Cédrick T. [Auteur]
Laboratoire de Neurosciences Fonctionnelles et Pathologies [LNFP]
Laboratoire Sciences Cognitives et Sciences Affectives - UMR 9193 [SCALab]
Szaffarczyk, Sébastien [Auteur]
Laboratoire de Neurosciences Fonctionnelles et Pathologies [LNFP]
Laboratoire Sciences Cognitives et Sciences Affectives - UMR 9193 [SCALab]
Szaffarczyk, Sébastien [Auteur]
Titre de la revue :
Journal of Motor Behavior
Nom court de la revue :
J Mot Behav
Numéro :
49
Pagination :
494-504
Date de publication :
2016-12-29
ISSN :
1940-1027
Discipline(s) HAL :
Sciences cognitives
Résumé en anglais : [en]
In studies of postural control, a control task is often used to understand significant effects obtained with experimental manipulations. This task should be the easiest task and (therefore) engage the lowest behavioral ...
Lire la suite >In studies of postural control, a control task is often used to understand significant effects obtained with experimental manipulations. This task should be the easiest task and (therefore) engage the lowest behavioral variability and cognitive workload. Since 1983, the stationary-gaze task is considered as the most relevant control task. Instead, the authors expected that free looking at small targets (white paper or images; visual angle: 12°) could be an easier task. To verify this assumption, 16 young individuals performed stationary-gaze, white-panel, and free-viewing 12° tasks in steady and relaxed stances. The stationary-gaze task led to significantly higher cognitive workload (mean score in the National Aeronotics and Space Administration Task Load Index questionnaire), higher interindividual body (head, neck, and lower back) linear variability, and higher interindividual body angular variability-not systematically yet-than both other tasks. There was more cognitive workload in steady than relaxed stances. The authors also tested if a free-viewing 24° task could lead to greater angular displacement, and hence greater body sway, than could the other tasks in relaxed stance. Unexpectedly, the participants mostly moved their eyes and not their body in this task. In the discussion, the authors explain why the stationary-gaze task may not be an ideal control task and how to choose this neutral task.Lire moins >
Lire la suite >In studies of postural control, a control task is often used to understand significant effects obtained with experimental manipulations. This task should be the easiest task and (therefore) engage the lowest behavioral variability and cognitive workload. Since 1983, the stationary-gaze task is considered as the most relevant control task. Instead, the authors expected that free looking at small targets (white paper or images; visual angle: 12°) could be an easier task. To verify this assumption, 16 young individuals performed stationary-gaze, white-panel, and free-viewing 12° tasks in steady and relaxed stances. The stationary-gaze task led to significantly higher cognitive workload (mean score in the National Aeronotics and Space Administration Task Load Index questionnaire), higher interindividual body (head, neck, and lower back) linear variability, and higher interindividual body angular variability-not systematically yet-than both other tasks. There was more cognitive workload in steady than relaxed stances. The authors also tested if a free-viewing 24° task could lead to greater angular displacement, and hence greater body sway, than could the other tasks in relaxed stance. Unexpectedly, the participants mostly moved their eyes and not their body in this task. In the discussion, the authors explain why the stationary-gaze task may not be an ideal control task and how to choose this neutral task.Lire moins >
Langue :
Anglais
Audience :
Non spécifiée
Établissement(s) :
Université de Lille
CNRS
CHU Lille
CNRS
CHU Lille
Équipe(s) de recherche :
Équipe Action, Vision et Apprentissage (AVA)
Date de dépôt :
2019-02-13T14:48:17Z
2019-07-17T12:04:20Z
2021-05-27T15:32:15Z
2019-07-17T12:04:20Z
2021-05-27T15:32:15Z
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- Bonnet and Szaffarczcyk, 2017.pdf
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- 2017b, Bonnet et Szaffarczyk (final proof JMB).pdf
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