Wearing a head-mounted eye tracker may reduce body sway

G.C. Gotardi; S.T. Rodrigues; F.A. Barbieri; M.B. Brito; J.V.A. Bonfim; Paula Favaro Polastri

doi:10.1016/j.neulet.2020.134799

Wearing a head-mounted eye tracker may reduce body sway

G.C. Gotardi^*, S.T. Rodrigues, F.A. Barbieri, M.B. Brito, J.V.A. Bonfim, Paula Favaro Polastri

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

This study investigated the effects of wearing a head-mounted eye tracker on upright balance during different visual tasks. Twenty five young adults stood upright on a force plate while performing the visual tasks of fixation, horizontal saccades, and eyes closed, during eighteen trials wearing or not a head-mounted eye tracker. While wearing the eye tracker, participants showed a reduction in mean sway amplitude and velocity of the CoP in the AP and ML directions and more regular CoP fluctuations, in the ML axis in all conditions. Higher mean sway amplitude and velocity of CoP were observed during eyes closed than fixation and saccades. Moreover, horizontal saccades reduced mean sway velocity of CoP compared to fixation. Therefore, wearing the eye tracker minimized the body sway of young adults; however, visual task-related effects on postural stability remained unchanged.

Original language	English
Article number	134799
Pages (from-to)	1-6
Number of pages	6
Journal	Neuroscience Letters
Volume	722
Early online date	20 Feb 2020
DOIs	https://doi.org/10.1016/j.neulet.2020.134799
Publication status	Published - 23 Mar 2020

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Funders	Funder number
S?o Paulo State University
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Universidade Estadual Paulista

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title = "Wearing a head-mounted eye tracker may reduce body sway",

abstract = "This study investigated the effects of wearing a head-mounted eye tracker on upright balance during different visual tasks. Twenty five young adults stood upright on a force plate while performing the visual tasks of fixation, horizontal saccades, and eyes closed, during eighteen trials wearing or not a head-mounted eye tracker. While wearing the eye tracker, participants showed a reduction in mean sway amplitude and velocity of the CoP in the AP and ML directions and more regular CoP fluctuations, in the ML axis in all conditions. Higher mean sway amplitude and velocity of CoP were observed during eyes closed than fixation and saccades. Moreover, horizontal saccades reduced mean sway velocity of CoP compared to fixation. Therefore, wearing the eye tracker minimized the body sway of young adults; however, visual task-related effects on postural stability remained unchanged.",

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AU - Gotardi, G.C.

AU - Rodrigues, S.T.

AU - Barbieri, F.A.

AU - Brito, M.B.

AU - Bonfim, J.V.A.

AU - Polastri, Paula Favaro

PY - 2020/3/23

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N2 - This study investigated the effects of wearing a head-mounted eye tracker on upright balance during different visual tasks. Twenty five young adults stood upright on a force plate while performing the visual tasks of fixation, horizontal saccades, and eyes closed, during eighteen trials wearing or not a head-mounted eye tracker. While wearing the eye tracker, participants showed a reduction in mean sway amplitude and velocity of the CoP in the AP and ML directions and more regular CoP fluctuations, in the ML axis in all conditions. Higher mean sway amplitude and velocity of CoP were observed during eyes closed than fixation and saccades. Moreover, horizontal saccades reduced mean sway velocity of CoP compared to fixation. Therefore, wearing the eye tracker minimized the body sway of young adults; however, visual task-related effects on postural stability remained unchanged.

AB - This study investigated the effects of wearing a head-mounted eye tracker on upright balance during different visual tasks. Twenty five young adults stood upright on a force plate while performing the visual tasks of fixation, horizontal saccades, and eyes closed, during eighteen trials wearing or not a head-mounted eye tracker. While wearing the eye tracker, participants showed a reduction in mean sway amplitude and velocity of the CoP in the AP and ML directions and more regular CoP fluctuations, in the ML axis in all conditions. Higher mean sway amplitude and velocity of CoP were observed during eyes closed than fixation and saccades. Moreover, horizontal saccades reduced mean sway velocity of CoP compared to fixation. Therefore, wearing the eye tracker minimized the body sway of young adults; however, visual task-related effects on postural stability remained unchanged.

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Wearing a head-mounted eye tracker may reduce body sway

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