Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs

The non-linear analysis of the behavior of biological signals in humans is studied from different scientific disciplines. The aim of this study was to analyze the possible non-linear behavior present in eye movements during eye-tracking tasks in simulated sailing. Thirty young sailors were selected....

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Main Authors: Ruperto Menayo, Aarón Manzanares, Francisco Segado
Format: Article
Language:English
Published: MDPI AG 2018-10-01
Series:Symmetry
Subjects:
Online Access:http://www.mdpi.com/2073-8994/10/10/528
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author Ruperto Menayo
Aarón Manzanares
Francisco Segado
author_facet Ruperto Menayo
Aarón Manzanares
Francisco Segado
author_sort Ruperto Menayo
collection DOAJ
description The non-linear analysis of the behavior of biological signals in humans is studied from different scientific disciplines. The aim of this study was to analyze the possible non-linear behavior present in eye movements during eye-tracking tasks in simulated sailing. Thirty young sailors were selected. Fuzzy entropy and detrended fluctuation analyses were applied to quantify the regularity and complexity of eye movements. The results show that neither experience nor ranking affect the regularity or the complexity of eye movement positions or velocities. Younger age is related to more regular visual behavior. At younger ages, eye positions present more complex behavior. Eye positions show more complex behavior than eye velocities. This complexity would allow for a more functional exploration of the environment by sailors. Eye movement velocity presents the greatest irregularity, with significantly higher values than eye movement position. This irregularity would facilitate the visual perception of the environment. All these findings could be related to the sailors’ functional behavior, based on complexity and stability, which has been associated with the ability of human beings to adapt to the environment.
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spelling doaj.art-f686c0d7da6044538c073c364cc6041b2022-12-22T03:59:26ZengMDPI AGSymmetry2073-89942018-10-01101052810.3390/sym10100528sym10100528Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing ProgramsRuperto Menayo0Aarón Manzanares1Francisco Segado2Teacher Training College, University of Extremadura, Avda. de la Universidad, s/n, 10071 Cáceres, SpainFaculty of Sport, San Antonio Catholic University, Avda. de los Jerónimos, 135, 30107 Murcia, SpainFaculty of Sport, San Antonio Catholic University, Avda. de los Jerónimos, 135, 30107 Murcia, SpainThe non-linear analysis of the behavior of biological signals in humans is studied from different scientific disciplines. The aim of this study was to analyze the possible non-linear behavior present in eye movements during eye-tracking tasks in simulated sailing. Thirty young sailors were selected. Fuzzy entropy and detrended fluctuation analyses were applied to quantify the regularity and complexity of eye movements. The results show that neither experience nor ranking affect the regularity or the complexity of eye movement positions or velocities. Younger age is related to more regular visual behavior. At younger ages, eye positions present more complex behavior. Eye positions show more complex behavior than eye velocities. This complexity would allow for a more functional exploration of the environment by sailors. Eye movement velocity presents the greatest irregularity, with significantly higher values than eye movement position. This irregularity would facilitate the visual perception of the environment. All these findings could be related to the sailors’ functional behavior, based on complexity and stability, which has been associated with the ability of human beings to adapt to the environment.http://www.mdpi.com/2073-8994/10/10/528fuzzy entropydetrended fluctuation analysispupil movementssailing
spellingShingle Ruperto Menayo
Aarón Manzanares
Francisco Segado
Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
Symmetry
fuzzy entropy
detrended fluctuation analysis
pupil movements
sailing
title Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
title_full Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
title_fullStr Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
title_full_unstemmed Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
title_short Complexity, Regularity and Non-Linear Behavior in Human Eye Movements: Analyzing the Dynamics of Gaze in Virtual Sailing Programs
title_sort complexity regularity and non linear behavior in human eye movements analyzing the dynamics of gaze in virtual sailing programs
topic fuzzy entropy
detrended fluctuation analysis
pupil movements
sailing
url http://www.mdpi.com/2073-8994/10/10/528
work_keys_str_mv AT rupertomenayo complexityregularityandnonlinearbehaviorinhumaneyemovementsanalyzingthedynamicsofgazeinvirtualsailingprograms
AT aaronmanzanares complexityregularityandnonlinearbehaviorinhumaneyemovementsanalyzingthedynamicsofgazeinvirtualsailingprograms
AT franciscosegado complexityregularityandnonlinearbehaviorinhumaneyemovementsanalyzingthedynamicsofgazeinvirtualsailingprograms