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Type: Artigo de periódico
Title: Obstacle Crossing With Dual Tasking Is A Danger For Individuals With Alzheimer's Disease And For Healthy Older People.
Author: Simieli, Lucas
Barbieri, Fabio Augusto
Orcioli-Silva, Diego
Lirani-Silva, Ellen
Stella, Florindo
Gobbi, Lilian Teresa Bucken
Abstract: The aim of this study was to analyze the effects of dual tasking on obstacle crossing during walking by individuals with Alzheimer's disease (AD) and by healthy older people. Thirty four elderly individuals (16 healthy subjects and 18 individuals with AD) were recruited to participate in this study. Three AD individuals and one control participant were excluded due to exclusion criteria. The participants were instructed to walk barefoot at their own speed along an 8 m long pathway. Each participant performed five trials for each condition (unobstructed walking, unobstructed walking with dual tasking, and obstacle crossing during walking with dual tasking). The trials were completely randomized for each participant. The mid-pathway stride was measured in the unobstructed walking trials and the stride that occurred during the obstacle avoidance was measured in the trials that involved obstacle crossing. The behavior of the healthy elderly subjects and individuals with AD was similar for obstacle crossing during walking with dual tasking. Both groups used the posture first strategy to prioritize stability and showed decreased attention to executive tasking while walking. Additionally, AD had a strong influence on the modifications that are made by the elderly while walking under different walking conditions.
Subject: Alzheimer's Disease
Dual Task
Obstacle Avoidance
Posture First
Citation: Journal Of Alzheimer's Disease : Jad. v. 43, n. 2, p. 435-41, 2015.
Rights: fechado
Identifier DOI: 10.3233/JAD-140807
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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