Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.gaitpost.2019.07.375 http://hdl.handle.net/11449/190625 |
Resumo: | BACKGROUND: People with Parkinson's disease (PD) do not differ from neurologically healthy individuals in obstacle circumvention during walking, therefore they are able to use visual feedback adequately to control motor behavior in this task. However, individuals are often distracted by the secondary task when circumventing an obstacle. An increased cognitive load can require prolonged gaze fixation time on a location of interest to compensate for longer information processing duration. RESEARCH QUESTION: To investigate the effects of cognitive dual tasking (DT) on gaze behavior during waking with obstacle circumvention in people with PD and control group, and to determine the impact of gaze behavior on motor strategy. METHODS: Fifteen individuals with PD (PD-group) and 15 neurologically healthy individuals walked at a self-selected speed over a walkway and circumvented an obstacle centered in the walkway. The experimental conditions (5 trials each one) included obstacle circumvention without DT (OC) and obstacle circumvention with DT (OCDT). In the cognitive task, the participant mentally counted the number of times a target number appeared in an audio recording. We analyzed gaze behavior (i.e. number of gaze fixations and duration on the ground and obstacle), standard gait measures and DT cost. Two-way ANOVAs were completed for gait parameters and moment of fixation. RESULTS: There was no significant difference in DT cost between groups and no obstacle contacts. The participants performed a longer mean duration of fixations on the ground during OCDT compared to OC. Group x condition interactions indicated that the PD-group delayed the obstacle fixation relative to the NHI for OCDT (p < 0.001) and presented greater medial-lateral body clearance (p < 0.001) and longer double support time (p < 0.001) during OCDT compared to OC. SIGNIFICANCE: The results of this study suggest that deficits in locomotion during DT in PD-group may be caused, at least in part, by a reduced ability to fixate gaze at appropriate times during walking. |
id |
UNSP_372fea6b2890b1d217a5a355638ee491 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/190625 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive taskDual taskingGaitGaze behaviorParkinson’s diseaseBACKGROUND: People with Parkinson's disease (PD) do not differ from neurologically healthy individuals in obstacle circumvention during walking, therefore they are able to use visual feedback adequately to control motor behavior in this task. However, individuals are often distracted by the secondary task when circumventing an obstacle. An increased cognitive load can require prolonged gaze fixation time on a location of interest to compensate for longer information processing duration. RESEARCH QUESTION: To investigate the effects of cognitive dual tasking (DT) on gaze behavior during waking with obstacle circumvention in people with PD and control group, and to determine the impact of gaze behavior on motor strategy. METHODS: Fifteen individuals with PD (PD-group) and 15 neurologically healthy individuals walked at a self-selected speed over a walkway and circumvented an obstacle centered in the walkway. The experimental conditions (5 trials each one) included obstacle circumvention without DT (OC) and obstacle circumvention with DT (OCDT). In the cognitive task, the participant mentally counted the number of times a target number appeared in an audio recording. We analyzed gaze behavior (i.e. number of gaze fixations and duration on the ground and obstacle), standard gait measures and DT cost. Two-way ANOVAs were completed for gait parameters and moment of fixation. RESULTS: There was no significant difference in DT cost between groups and no obstacle contacts. The participants performed a longer mean duration of fixations on the ground during OCDT compared to OC. Group x condition interactions indicated that the PD-group delayed the obstacle fixation relative to the NHI for OCDT (p < 0.001) and presented greater medial-lateral body clearance (p < 0.001) and longer double support time (p < 0.001) during OCDT compared to OC. SIGNIFICANCE: The results of this study suggest that deficits in locomotion during DT in PD-group may be caused, at least in part, by a reduced ability to fixate gaze at appropriate times during walking.São Paulo State University (UNESP) Human Movement Research Laboratory (MOVI-LAB) Graduate Program in Movement Science Department of Physical EducationSão Paulo State University (UNESP) Laboratory of Information Vision and Action (LIVIA) Graduate Program in Movement Science Department of Physical EducationDepartment of Health and Kinesiology Purdue UniversitySão Paulo State University (UNESP) Human Movement Research Laboratory (MOVI-LAB) Graduate Program in Movement Science Department of Physical EducationSão Paulo State University (UNESP) Laboratory of Information Vision and Action (LIVIA) Graduate Program in Movement Science Department of Physical EducationUniversidade Estadual Paulista (Unesp)Purdue UniversityPereira, Vinicius Alota Ignacio [UNESP]Polastri, Paula Favaro [UNESP]Simieli, Lucas [UNESP]Rietdyk, ShirleyItikawa Imaizumi, Luis Felipe [UNESP]Moretto, Gabriel Felipe [UNESP]Penedo, Tiago [UNESP]Rodrigues, Sérgio Tosi [UNESP]Barbieri, Fabio Augusto [UNESP]2019-10-06T17:19:26Z2019-10-06T17:19:26Z2019-09-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article291-298http://dx.doi.org/10.1016/j.gaitpost.2019.07.375Gait & posture, v. 73, p. 291-298.1879-2219http://hdl.handle.net/11449/19062510.1016/j.gaitpost.2019.07.3752-s2.0-85071708752Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengGait & postureinfo:eu-repo/semantics/openAccess2024-04-24T18:53:11Zoai:repositorio.unesp.br:11449/190625Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:06:04.259393Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
title |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
spellingShingle |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task Pereira, Vinicius Alota Ignacio [UNESP] Dual tasking Gait Gaze behavior Parkinson’s disease |
title_short |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
title_full |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
title_fullStr |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
title_full_unstemmed |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
title_sort |
Parkinson's patients delay fixations when circumventing an obstacle and performing a dual cognitive task |
author |
Pereira, Vinicius Alota Ignacio [UNESP] |
author_facet |
Pereira, Vinicius Alota Ignacio [UNESP] Polastri, Paula Favaro [UNESP] Simieli, Lucas [UNESP] Rietdyk, Shirley Itikawa Imaizumi, Luis Felipe [UNESP] Moretto, Gabriel Felipe [UNESP] Penedo, Tiago [UNESP] Rodrigues, Sérgio Tosi [UNESP] Barbieri, Fabio Augusto [UNESP] |
author_role |
author |
author2 |
Polastri, Paula Favaro [UNESP] Simieli, Lucas [UNESP] Rietdyk, Shirley Itikawa Imaizumi, Luis Felipe [UNESP] Moretto, Gabriel Felipe [UNESP] Penedo, Tiago [UNESP] Rodrigues, Sérgio Tosi [UNESP] Barbieri, Fabio Augusto [UNESP] |
author2_role |
author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Purdue University |
dc.contributor.author.fl_str_mv |
Pereira, Vinicius Alota Ignacio [UNESP] Polastri, Paula Favaro [UNESP] Simieli, Lucas [UNESP] Rietdyk, Shirley Itikawa Imaizumi, Luis Felipe [UNESP] Moretto, Gabriel Felipe [UNESP] Penedo, Tiago [UNESP] Rodrigues, Sérgio Tosi [UNESP] Barbieri, Fabio Augusto [UNESP] |
dc.subject.por.fl_str_mv |
Dual tasking Gait Gaze behavior Parkinson’s disease |
topic |
Dual tasking Gait Gaze behavior Parkinson’s disease |
description |
BACKGROUND: People with Parkinson's disease (PD) do not differ from neurologically healthy individuals in obstacle circumvention during walking, therefore they are able to use visual feedback adequately to control motor behavior in this task. However, individuals are often distracted by the secondary task when circumventing an obstacle. An increased cognitive load can require prolonged gaze fixation time on a location of interest to compensate for longer information processing duration. RESEARCH QUESTION: To investigate the effects of cognitive dual tasking (DT) on gaze behavior during waking with obstacle circumvention in people with PD and control group, and to determine the impact of gaze behavior on motor strategy. METHODS: Fifteen individuals with PD (PD-group) and 15 neurologically healthy individuals walked at a self-selected speed over a walkway and circumvented an obstacle centered in the walkway. The experimental conditions (5 trials each one) included obstacle circumvention without DT (OC) and obstacle circumvention with DT (OCDT). In the cognitive task, the participant mentally counted the number of times a target number appeared in an audio recording. We analyzed gaze behavior (i.e. number of gaze fixations and duration on the ground and obstacle), standard gait measures and DT cost. Two-way ANOVAs were completed for gait parameters and moment of fixation. RESULTS: There was no significant difference in DT cost between groups and no obstacle contacts. The participants performed a longer mean duration of fixations on the ground during OCDT compared to OC. Group x condition interactions indicated that the PD-group delayed the obstacle fixation relative to the NHI for OCDT (p < 0.001) and presented greater medial-lateral body clearance (p < 0.001) and longer double support time (p < 0.001) during OCDT compared to OC. SIGNIFICANCE: The results of this study suggest that deficits in locomotion during DT in PD-group may be caused, at least in part, by a reduced ability to fixate gaze at appropriate times during walking. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T17:19:26Z 2019-10-06T17:19:26Z 2019-09-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.gaitpost.2019.07.375 Gait & posture, v. 73, p. 291-298. 1879-2219 http://hdl.handle.net/11449/190625 10.1016/j.gaitpost.2019.07.375 2-s2.0-85071708752 |
url |
http://dx.doi.org/10.1016/j.gaitpost.2019.07.375 http://hdl.handle.net/11449/190625 |
identifier_str_mv |
Gait & posture, v. 73, p. 291-298. 1879-2219 10.1016/j.gaitpost.2019.07.375 2-s2.0-85071708752 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Gait & posture |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
291-298 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128894088249344 |