Neuroimaging of an attention demanding dual-task during dynamic postural control.
Identifieur interne : 000529 ( Main/Exploration ); précédent : 000528; suivant : 000530Neuroimaging of an attention demanding dual-task during dynamic postural control.
Auteurs : Andrea L. Rosso [États-Unis] ; Massimo Cenciarini [Allemagne] ; Patrick J. Sparto [États-Unis] ; Patrick J. Loughlin [États-Unis] ; Joseph M. Furman [États-Unis] ; Theodore J. Huppert [États-Unis]Source :
- Gait & posture [ 1879-2219 ] ; 2017.
Descripteurs français
- KwdFr :
- Adulte (MeSH), Analyse et exécution des tâches (MeSH), Attention (physiologie), Comportement multi-tâches (physiologie), Encéphale (imagerie diagnostique), Encéphale (physiologie), Femelle (MeSH), Humains (MeSH), Jeune adulte (MeSH), Mâle (MeSH), Neuroimagerie (MeSH), Spectroscopie proche infrarouge (MeSH), Sujet âgé (MeSH), Sujet âgé de 80 ans ou plus (MeSH), Vieillissement (physiologie), Équilibre postural (physiologie).
- MESH :
- imagerie diagnostique : Encéphale.
- physiologie : Attention, Comportement multi-tâches, Encéphale, Vieillissement, Équilibre postural.
- Adulte, Analyse et exécution des tâches, Femelle, Humains, Jeune adulte, Mâle, Neuroimagerie, Spectroscopie proche infrarouge, Sujet âgé, Sujet âgé de 80 ans ou plus.
English descriptors
- KwdEn :
- Adult (MeSH), Aged (MeSH), Aged, 80 and over (MeSH), Aging (physiology), Attention (physiology), Brain (diagnostic imaging), Brain (physiology), Female (MeSH), Humans (MeSH), Male (MeSH), Multitasking Behavior (physiology), Neuroimaging (MeSH), Postural Balance (physiology), Spectroscopy, Near-Infrared (MeSH), Task Performance and Analysis (MeSH), Young Adult (MeSH).
- MESH :
- diagnostic imaging : Brain.
- physiology : Aging, Attention, Brain, Multitasking Behavior, Postural Balance.
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Neuroimaging, Spectroscopy, Near-Infrared, Task Performance and Analysis, Young Adult.
Abstract
Cognitive tasks impact postural control when performed concurrently as dual-tasks. This is presumed to result from capacity limitations in relevant brain regions. We used functional near-infrared spectroscopy (fNIRS) to measure brain activation of the left motor, temporal, and dorsal-lateral prefrontal brain regions of younger (n=6) and older (n=10) adults. Brain activation was measured during an auditory choice reaction task (CRT) and standing on a dynamic posturography platform, both as single-tasks and concurrently as dual-task. Body sway was assessed by median absolute deviation (MAD) of anterior-posterior translation of the center of mass (COM). Brain activation was measured as changes in oxy-hemoglobin by fNIRS. During both single- and dual-task conditions, we found that older adults had greater brain activation relative to younger adults. During dual task performance, the total activation was less than expected from the sum of individual conditions for both age groups, indicating a dual-task interference (reduction in younger adults=53% [p=0.02]; in older adults=53%; [p=0.008]). This reduction was greater for the activation attributable to the postural task (reduction younger adults=75% [p=0.03]; older adults=59% [p=0.005]) compared to the CRT task (reduction younger adults=10%, [p=0.6]; older adults=7.3%, [p=0.5]) in both age groups. Activation reduction was not accompanied by any significant changes in body sway in either group (older adults: single-task MAD=0.94cm, dual-task MAD=1.10cm, p=0.20; younger adults: single-task RMS=0.95cm, dual-task MAD=1.08cm, p=0.14). Our results indicate that neural resources devoted to postural control are reduced under dual-task conditions that engage attention.
DOI: 10.1016/j.gaitpost.2017.06.013
PubMed: 28662465
PubMed Central: PMC5585862
Affiliations:
- Allemagne, États-Unis
- Bade-Wurtemberg, District de Fribourg-en-Brisgau, Pennsylvanie
- Fribourg-en-Brisgau, Pittsburgh
- Université de Pittsburgh
Links toward previous steps (curation, corpus...)
Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term>
<term>Aged (MeSH)</term>
<term>Aged, 80 and over (MeSH)</term>
<term>Aging (physiology)</term>
<term>Attention (physiology)</term>
<term>Brain (diagnostic imaging)</term>
<term>Brain (physiology)</term>
<term>Female (MeSH)</term>
<term>Humans (MeSH)</term>
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<term>Neuroimaging (MeSH)</term>
<term>Postural Balance (physiology)</term>
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<term>Task Performance and Analysis (MeSH)</term>
<term>Young Adult (MeSH)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte (MeSH)</term>
<term>Analyse et exécution des tâches (MeSH)</term>
<term>Attention (physiologie)</term>
<term>Comportement multi-tâches (physiologie)</term>
<term>Encéphale (imagerie diagnostique)</term>
<term>Encéphale (physiologie)</term>
<term>Femelle (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Jeune adulte (MeSH)</term>
<term>Mâle (MeSH)</term>
<term>Neuroimagerie (MeSH)</term>
<term>Spectroscopie proche infrarouge (MeSH)</term>
<term>Sujet âgé (MeSH)</term>
<term>Sujet âgé de 80 ans ou plus (MeSH)</term>
<term>Vieillissement (physiologie)</term>
<term>Équilibre postural (physiologie)</term>
</keywords>
<keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Brain</term>
</keywords>
<keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Encéphale</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Attention</term>
<term>Comportement multi-tâches</term>
<term>Encéphale</term>
<term>Vieillissement</term>
<term>Équilibre postural</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Aging</term>
<term>Attention</term>
<term>Brain</term>
<term>Multitasking Behavior</term>
<term>Postural Balance</term>
</keywords>
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<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Neuroimaging</term>
<term>Spectroscopy, Near-Infrared</term>
<term>Task Performance and Analysis</term>
<term>Young Adult</term>
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<term>Analyse et exécution des tâches</term>
<term>Femelle</term>
<term>Humains</term>
<term>Jeune adulte</term>
<term>Mâle</term>
<term>Neuroimagerie</term>
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<front><div type="abstract" xml:lang="en">Cognitive tasks impact postural control when performed concurrently as dual-tasks. This is presumed to result from capacity limitations in relevant brain regions. We used functional near-infrared spectroscopy (fNIRS) to measure brain activation of the left motor, temporal, and dorsal-lateral prefrontal brain regions of younger (n=6) and older (n=10) adults. Brain activation was measured during an auditory choice reaction task (CRT) and standing on a dynamic posturography platform, both as single-tasks and concurrently as dual-task. Body sway was assessed by median absolute deviation (MAD) of anterior-posterior translation of the center of mass (COM). Brain activation was measured as changes in oxy-hemoglobin by fNIRS. During both single- and dual-task conditions, we found that older adults had greater brain activation relative to younger adults. During dual task performance, the total activation was less than expected from the sum of individual conditions for both age groups, indicating a dual-task interference (reduction in younger adults=53% [p=0.02]; in older adults=53%; [p=0.008]). This reduction was greater for the activation attributable to the postural task (reduction younger adults=75% [p=0.03]; older adults=59% [p=0.005]) compared to the CRT task (reduction younger adults=10%, [p=0.6]; older adults=7.3%, [p=0.5]) in both age groups. Activation reduction was not accompanied by any significant changes in body sway in either group (older adults: single-task MAD=0.94cm, dual-task MAD=1.10cm, p=0.20; younger adults: single-task RMS=0.95cm, dual-task MAD=1.08cm, p=0.14). Our results indicate that neural resources devoted to postural control are reduced under dual-task conditions that engage attention.</div>
</front>
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<Abstract><AbstractText>Cognitive tasks impact postural control when performed concurrently as dual-tasks. This is presumed to result from capacity limitations in relevant brain regions. We used functional near-infrared spectroscopy (fNIRS) to measure brain activation of the left motor, temporal, and dorsal-lateral prefrontal brain regions of younger (n=6) and older (n=10) adults. Brain activation was measured during an auditory choice reaction task (CRT) and standing on a dynamic posturography platform, both as single-tasks and concurrently as dual-task. Body sway was assessed by median absolute deviation (MAD) of anterior-posterior translation of the center of mass (COM). Brain activation was measured as changes in oxy-hemoglobin by fNIRS. During both single- and dual-task conditions, we found that older adults had greater brain activation relative to younger adults. During dual task performance, the total activation was less than expected from the sum of individual conditions for both age groups, indicating a dual-task interference (reduction in younger adults=53% [p=0.02]; in older adults=53%; [p=0.008]). This reduction was greater for the activation attributable to the postural task (reduction younger adults=75% [p=0.03]; older adults=59% [p=0.005]) compared to the CRT task (reduction younger adults=10%, [p=0.6]; older adults=7.3%, [p=0.5]) in both age groups. Activation reduction was not accompanied by any significant changes in body sway in either group (older adults: single-task MAD=0.94cm, dual-task MAD=1.10cm, p=0.20; younger adults: single-task RMS=0.95cm, dual-task MAD=1.08cm, p=0.14). Our results indicate that neural resources devoted to postural control are reduced under dual-task conditions that engage attention.</AbstractText>
<CopyrightInformation>Copyright © 2017. Published by Elsevier B.V.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Rosso</LastName>
<ForeName>Andrea L</ForeName>
<Initials>AL</Initials>
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</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Huppert</LastName>
<ForeName>Theodore J</ForeName>
<Initials>TJ</Initials>
<AffiliationInfo><Affiliation>Department of Bioengineering and Department of Radiology, University of Pittsburgh, 200 Lothrop St. PUH Room B822.1, Pittsburgh PA 15213, United States. Electronic address: huppertt@upmc.edu.</Affiliation>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
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