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Learning effects of dynamic postural control by auditory biofeedback versus visual biofeedback training

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Title: Learning effects of dynamic postural control by auditory biofeedback versus visual biofeedback training
Authors: Hasegawa, Naoya Browse this author
Takeda, Kenta Browse this author
Sakuma, Moe Browse this author
Mani, Hiroki Browse this author
Maejima, Hiroshi Browse this author →KAKEN DB
Asaka, Tadayoshi Browse this author →KAKEN DB
Keywords: Auditory biofeedback
Body sway
Center of pressure
Postural control
Visual biofeedback
Issue Date: Oct-2017
Publisher: Elsevier
Journal Title: Gait & Posture
Volume: 58
Start Page: 188
End Page: 193
Publisher DOI: 10.1016/j.gaitpost.2017.08.001
PMID: 28800501
Abstract: Augmented sensory biofeedback (BF) for postural control is widely used to improve postural stability. However, the effective sensory information in BF systems of motor learning for postural control is still unknown. The purpose of this study was to investigate the learning effects of visual versus auditory BF training in dynamic postural control. Eighteen healthy young adults were randomly divided into two groups (visual BF and auditory BF). In test sessions, participants were asked to bring the real-time center of pressure (COP) in line with a hidden target by body sway in the sagittal plane. The target moved in seven cycles of sine curves at 0.23 Hz in the vertical direction on a monitor. In training sessions, the visual and auditory BF groups were required to change the magnitude of a visual circle and a sound, respectively, according to the distance between the COP and target in order to reach the target. The perceptual magnitudes of visual and auditory BF were equalized according to Stevens' power law. At the retention test, the auditory but not visual BF group demonstrated decreased postural performance errors in both the spatial and temporal parameters under the no-feedback condition. These findings suggest that visual BF increases the dependence on visual information to control postural performance, while auditory BF may enhance the integration of the proprioceptive sensory system, which contributes to motor learning without BF. These results suggest that auditory BF training improves motor learning of dynamic postural control.
Rights: © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article (author version)
URI: http://hdl.handle.net/2115/71612
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 浅賀 忠義

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