Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study
Abstract Background The aging process alters upright posture and locomotion control from an automatically processed to a more cortically controlled one. The present study investigated a postural-cognitive dual-task paradigm in young and older adults using functional Near-Infrared Spectroscopy (fNIRS...
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Format: | Article |
Language: | English |
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BMC
2019-01-01
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Series: | European Review of Aging and Physical Activity |
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Online Access: | http://link.springer.com/article/10.1186/s11556-018-0209-7 |
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author | Uros Marusic Wolfgang Taube Shawnda A. Morrison Lea Biasutti Bruno Grassi Kevin De Pauw Romain Meeusen Rado Pisot Jan Ruffieux |
author_facet | Uros Marusic Wolfgang Taube Shawnda A. Morrison Lea Biasutti Bruno Grassi Kevin De Pauw Romain Meeusen Rado Pisot Jan Ruffieux |
author_sort | Uros Marusic |
collection | DOAJ |
description | Abstract Background The aging process alters upright posture and locomotion control from an automatically processed to a more cortically controlled one. The present study investigated a postural-cognitive dual-task paradigm in young and older adults using functional Near-Infrared Spectroscopy (fNIRS). Methods Twenty healthy participants (10 older adults 72 ± 3 y, 10 young adults 23 ± 3 y) performed a cognitive (serial subtractions) and a postural task (tandem stance) as single-tasks (ST) and concurrently as a dual-task (DT) while the oxygenation levels of the dorsolateral prefrontal cortex (DLPFC) were measured. Results In the cognitive task, young adults performed better than older adults in both conditions (ST and DT) and could further increase the number of correct answers from ST to DT (all ps ≤ 0.027) while no change was found for older adults. No significant effects were found for the postural performance. Cerebral oxygenation values (O2Hb) increased significantly from baseline to the postural ST (p = 0.033), and from baseline to the DT (p = 0.031) whereas no changes were found in deoxygenated hemoglobin (HHb). Finally, the perceived exertion differed between all conditions (p ≤ 0.003) except for the postural ST and the DT (p = 0.204). Conclusions There was a general lack of age-related changes except the better cognitive performance under motor-cognitive conditions in young compared to older adults. However, the current results point out that DLPFC is influenced more strongly by postural than cognitive load. Future studies should assess the different modalities of cognitive as well as postural load. |
first_indexed | 2024-12-21T13:48:04Z |
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issn | 1813-7253 1861-6909 |
language | English |
last_indexed | 2024-12-21T13:48:04Z |
publishDate | 2019-01-01 |
publisher | BMC |
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series | European Review of Aging and Physical Activity |
spelling | doaj.art-1a2b7d2766bc4f4f9deb7e45d891f6fc2022-12-21T19:01:48ZengBMCEuropean Review of Aging and Physical Activity1813-72531861-69092019-01-011611710.1186/s11556-018-0209-7Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot studyUros Marusic0Wolfgang Taube1Shawnda A. Morrison2Lea Biasutti3Bruno Grassi4Kevin De Pauw5Romain Meeusen6Rado Pisot7Jan Ruffieux8Institute for Kinesiology Research, Science and Research Centre KoperDepartment of Neurosciences and Movement Sciences, University of FribourgDepartment of kinesiology and physiotherapy, Faculty of Health Sciences, University of PrimorskaDepartment of Medical and Biological Sciences, Udine UniversityDepartment of Medical and Biological Sciences, Udine UniversityResearch Group Human Physiology, Vrije Universiteit BrusselResearch Group Human Physiology, Vrije Universiteit BrusselInstitute for Kinesiology Research, Science and Research Centre KoperDepartment of Neurosciences and Movement Sciences, University of FribourgAbstract Background The aging process alters upright posture and locomotion control from an automatically processed to a more cortically controlled one. The present study investigated a postural-cognitive dual-task paradigm in young and older adults using functional Near-Infrared Spectroscopy (fNIRS). Methods Twenty healthy participants (10 older adults 72 ± 3 y, 10 young adults 23 ± 3 y) performed a cognitive (serial subtractions) and a postural task (tandem stance) as single-tasks (ST) and concurrently as a dual-task (DT) while the oxygenation levels of the dorsolateral prefrontal cortex (DLPFC) were measured. Results In the cognitive task, young adults performed better than older adults in both conditions (ST and DT) and could further increase the number of correct answers from ST to DT (all ps ≤ 0.027) while no change was found for older adults. No significant effects were found for the postural performance. Cerebral oxygenation values (O2Hb) increased significantly from baseline to the postural ST (p = 0.033), and from baseline to the DT (p = 0.031) whereas no changes were found in deoxygenated hemoglobin (HHb). Finally, the perceived exertion differed between all conditions (p ≤ 0.003) except for the postural ST and the DT (p = 0.204). Conclusions There was a general lack of age-related changes except the better cognitive performance under motor-cognitive conditions in young compared to older adults. However, the current results point out that DLPFC is influenced more strongly by postural than cognitive load. Future studies should assess the different modalities of cognitive as well as postural load.http://link.springer.com/article/10.1186/s11556-018-0209-7Postural controlBalanceDual-taskingExecutive controlElderlyAging |
spellingShingle | Uros Marusic Wolfgang Taube Shawnda A. Morrison Lea Biasutti Bruno Grassi Kevin De Pauw Romain Meeusen Rado Pisot Jan Ruffieux Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study European Review of Aging and Physical Activity Postural control Balance Dual-tasking Executive control Elderly Aging |
title | Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study |
title_full | Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study |
title_fullStr | Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study |
title_full_unstemmed | Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study |
title_short | Aging effects on prefrontal cortex oxygenation in a posture-cognition dual-task: an fNIRS pilot study |
title_sort | aging effects on prefrontal cortex oxygenation in a posture cognition dual task an fnirs pilot study |
topic | Postural control Balance Dual-tasking Executive control Elderly Aging |
url | http://link.springer.com/article/10.1186/s11556-018-0209-7 |
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