Association of age-related cognitive and obstacle avoidance performances

Abstract An association between cognitive impairment and tripping over obstacles during locomotion in older adults has been suggested. However, owing to its memory-guided movement, whether this is more pronounced in the trailing limb is poorly known. We examined age-related changes in stepping over,...

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Autores principales:	Ryota Sakurai, Kentaro Kodama, Yu Ozawa, Frederico Pieruccini-Faria, Kimi Estela Kobayashi-Cuya, Susumu Ogawa
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2dc9818a420a4485af27f00c2864054c
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spelling	oai:doaj.org-article:2dc9818a420a4485af27f00c2864054c2021-12-02T17:40:02ZAssociation of age-related cognitive and obstacle avoidance performances10.1038/s41598-021-91841-92045-2322https://doaj.org/article/2dc9818a420a4485af27f00c2864054c2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91841-9https://doaj.org/toc/2045-2322Abstract An association between cognitive impairment and tripping over obstacles during locomotion in older adults has been suggested. However, owing to its memory-guided movement, whether this is more pronounced in the trailing limb is poorly known. We examined age-related changes in stepping over, focusing on trailing limb movements, and their association with cognitive performance. Age-related changes in obstacle avoidance were examined by comparing the foot kinematics of 105 older and 103 younger adults when stepping over an obstacle. The difference in the clearance between the leading and trailing limbs (Δ clearance) was calculated to determine the degree of decrement in the clearance of the trailing limb. A cognitive test battery was used to evaluate cognitive function among older adults to assess their association with Δ clearance. Older adults showed a significantly lower clearance of the trailing limb than young adults, resulting in greater Δ clearance. Significant correlations were observed between greater Δ clearance and scores on the Montreal Cognitive Assessment and immediate recall of the Wechsler Memory Scale-Revised Logical Memory test. Therefore, memory functions may contribute to the control of trailing limb movements, which can secure a safety margin to avoid stumbling over an obstacle during obstacle avoidance locomotion.Ryota SakuraiKentaro KodamaYu OzawaFrederico Pieruccini-FariaKimi Estela Kobayashi-CuyaSusumu OgawaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ryota Sakurai Kentaro Kodama Yu Ozawa Frederico Pieruccini-Faria Kimi Estela Kobayashi-Cuya Susumu Ogawa Association of age-related cognitive and obstacle avoidance performances
description	Abstract An association between cognitive impairment and tripping over obstacles during locomotion in older adults has been suggested. However, owing to its memory-guided movement, whether this is more pronounced in the trailing limb is poorly known. We examined age-related changes in stepping over, focusing on trailing limb movements, and their association with cognitive performance. Age-related changes in obstacle avoidance were examined by comparing the foot kinematics of 105 older and 103 younger adults when stepping over an obstacle. The difference in the clearance between the leading and trailing limbs (Δ clearance) was calculated to determine the degree of decrement in the clearance of the trailing limb. A cognitive test battery was used to evaluate cognitive function among older adults to assess their association with Δ clearance. Older adults showed a significantly lower clearance of the trailing limb than young adults, resulting in greater Δ clearance. Significant correlations were observed between greater Δ clearance and scores on the Montreal Cognitive Assessment and immediate recall of the Wechsler Memory Scale-Revised Logical Memory test. Therefore, memory functions may contribute to the control of trailing limb movements, which can secure a safety margin to avoid stumbling over an obstacle during obstacle avoidance locomotion.
format	article
author	Ryota Sakurai Kentaro Kodama Yu Ozawa Frederico Pieruccini-Faria Kimi Estela Kobayashi-Cuya Susumu Ogawa
author_facet	Ryota Sakurai Kentaro Kodama Yu Ozawa Frederico Pieruccini-Faria Kimi Estela Kobayashi-Cuya Susumu Ogawa
author_sort	Ryota Sakurai
title	Association of age-related cognitive and obstacle avoidance performances
title_short	Association of age-related cognitive and obstacle avoidance performances
title_full	Association of age-related cognitive and obstacle avoidance performances
title_fullStr	Association of age-related cognitive and obstacle avoidance performances
title_full_unstemmed	Association of age-related cognitive and obstacle avoidance performances
title_sort	association of age-related cognitive and obstacle avoidance performances
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2dc9818a420a4485af27f00c2864054c
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Association of age-related cognitive and obstacle avoidance performances

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