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Gait variability across neurodegenerative and cognitive disorders: Results from the Canadian Consortium of Neurodegeneration in Aging (CCNA) and the Gait and Brain Study.

Author(s): Pieruccini-Faria F, Black SE, Masellis M, Smith EE, Almeida QJ, Li KZH, Bherer L, Camicioli R, Montero-Odasso M...

INTRODUCTION: Gait impairment is common in neurodegenerative disorders. Specifically, gait variability-the stride-to-stride fluctuations in distance and time-has been associated with neurodegenerat...

Article GUID: 33590967
Consensus on Shared Measures of Mobility and Cognition: From the Canadian Consortium on Neurodegeneration in Aging (CCNA).

Author(s): Montero-Odasso M, Almeida QJ, Bherer L, Burhan AM, Camicioli R, Doyon J, Fraser S, Muir-Hunter S, Li KZH, Liu-Ambrose T, McIlroy W, Middleto...

J Gerontol A Biol Sci Med Sci. 2019 May 16;74(6):897-909 Authors: Montero-Odasso M, Almeida QJ, Bherer L, Burhan AM, Camicioli R, Doyon J, Fraser S, Muir-Hunter S, Li KZH, Liu-Ambrose T, McIlroy W...

Article GUID: 30101279
The Effects of Age and Hearing Loss on Dual-Task Balance and Listening.

Author(s): Bruce H, Aponte D, St-Onge N, Phillips N, Gagné JP, Li KZH

J Gerontol B Psychol Sci Soc Sci. 2019 Jan 10;74(2):275-283 Authors: Bruce H, Aponte D, St-Onge N, Phillips N, Gagné JP, Li KZH

Article GUID: 28486677
A comparison of the impact of physical exercise, cognitive training and combined intervention on spontaneous walking speed in older adults.

Author(s): Pothier K, Gagnon C, Fraser SA, Lussier M, Desjardins-Crépeau L, Berryman N, Kergoat MJ, Vu TTM, Li KZH, Bosquet L, Bherer L

Aging Clin Exp Res. 2018 Aug;30(8):921-925 Authors: Pothier K, Gagnon C, Fraser SA, Lussier M, Desjardins-Crépeau L, Berryman N, Kergoat MJ, Vu TTM, Li KZH, Bosquet L, Bherer L

Article GUID: 29235076
Title:The Effects of Age and Hearing Loss on Dual-Task Balance and Listening.
Authors:Bruce H,  Aponte D,  St-Onge N,  Phillips N,  Gagné JP,  Li KZH
Link:https://www.ncbi.nlm.nih.gov/pubmed/28486677?dopt=Abstract
DOI:10.1093/geronb/gbx047
Category:J Gerontol B Psychol Sci Soc Sci
PMID:28486677
Dept Affiliation: PERFORM
1 Department of Psychology, Montreal, Québec, Canada.
2 Centre for Research in Human Development, Montreal, Québec, Canada.
3 PERFORM Centre, Montreal, Québec, Canada.
4 Department of Exercise Science, Concordia University, Montreal, Québec, Canada.
5 Department of Kinesiology and Physical Education, McGill University, Montreal, Québec, Canada.
6 Constance-Lethbridge Rehabilitation Center, Center for Interdisciplinary Research in Rehabilitation of Greater Montreal, Québec, Canada.
7 Department of Orthophonie et Audiologie, Université de Montréal, Québec, Canada.
8 Institut Universitaire de Gériatrie de Montréal, Québec, Canada.

Description:

The Effects of Age and Hearing Loss on Dual-Task Balance and Listening.

J Gerontol B Psychol Sci Soc Sci. 2019 Jan 10;74(2):275-283

Authors: Bruce H, Aponte D, St-Onge N, Phillips N, Gagné JP, Li KZH

Abstract

Objectives: Among older adults (OA), hearing loss is associated with an increased risk for falls. The aim of the present study was to experimentally investigate the cognitive compensation hypothesis, wherein decreased auditory and motor functioning are compensated by the recruitment of cognitive resources.

Method: Twenty-nine younger adults (YA), 26 OA, and 32 OA with age-related hearing loss (ARHL) completed a dual-task paradigm consisting of cognitive and balance recovery tasks performed singly and concurrently. The auditory stimuli were presented with or without background noise.

Results: Both older adult groups performed significantly worse than YA on the cognitive task in noisy conditions and ARHL also demonstrated disproportionate negative effects of dual-tasking and noise. The kinematic data indicated that OA and ARHL demonstrated greater plantarflexion when compared with YA. Conversely, YA showed greater hip extension in response to dual-tasking.

Discussion: The cognitive and balance results suggest that YA were able to flexibly allocate their attention between tasks, whereas ARHL exhibited prioritization of posture over cognitive performance.

PMID: 28486677 [PubMed - in process]