scholarly journals Adaptive Walking in Alzheimer's Disease

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Diego Orcioli-Silva ◽  
Lucas Simieli ◽  
Fabio Augusto Barbieri ◽  
Florindo Stella ◽  
Lilian Teresa Bucken Gobbi
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cognitive Load ◽  
Dual Task ◽  
Secondary Task ◽  
Task Complexity ◽  
Temporal Parameters ◽  
Task Effects ◽  
Risk Of Falls ◽  
Adaptive Gait

The aim of this study is to analyze dual-task effects on free and adaptive gait in Alzheimer's disease (AD) patients. Nineteen elders with AD participated in the study. A veteran neuropsychiatrist established the degree of AD in the sample. To determine dual-task effects on free and adaptive gait, patients performed five trials for each experimental condition: free and adaptive gait with and without a dual-task (regressive countdown). Spatial and temporal parameters were collected through an optoelectronic tridimensional system. The central stride was analyzed in free gait, and the steps immediately before (approaching phase) and during the obstacle crossing were analyzed in adaptive gait. Results indicated that AD patients walked more slowly during adaptive gait and free gait, using conservative strategies when confronted either with an obstacle or a secondary task. Furthermore, patients sought for stability to perform the tasks, particularly for adaptive gait with dual task, who used anticipatory and online adjustments to perform the task. Therefore, the increase of task complexity enhances cognitive load and risk of falls for AD patients.

Dual task effects of walking when talking in Alzheimer's disease

2004 ◽  
Vol 160 (1) ◽  
pp. 74-80 ◽  
Author(s):  
G. Cocchini ◽  
S. Della Sala ◽  
R.H. Logie ◽  
R. Pagani ◽  
L. Sacco ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Dual Task ◽  
Task Effects

P4-158: Dual-task gait performance in mild cognitive impairment may predict Alzheimer's disease conversion

2013 ◽  
Vol 9 ◽  
pp. P764-P764
Author(s):  
Mei Sian Chong ◽  
Laura Tay ◽  
Peng Chew Mark Chan ◽  
Noorhazlina Ali ◽  
Pamela Chew ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cognitive Impairment ◽  
Mild Cognitive Impairment ◽  
Dual Task ◽  
Gait Performance

scholarly journals Dual-task as a predictor of falls in older people with mild cognitive impairment and mild Alzheimer's disease: a prospective cohort study

2018 ◽  
Vol 22 (5) ◽  
pp. 417-423 ◽  
Author(s):  
Jessica Gonçalves ◽  
Juliana Hotta Ansai ◽  
Fernando Arturo Arriagada Masse ◽  
Francisco Assis Carvalho Vale ◽  
Anielle Cristhine de Medeiros Takahashi ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cohort Study ◽  
Cognitive Impairment ◽  
Mild Cognitive Impairment ◽  
Older People ◽  
Prospective Cohort Study ◽  
Dual Task ◽  
Prospective Cohort

scholarly journals Gait, dual task and history of falls in elderly with preserved cognition, mild cognitive impairment, and mild Alzheimer's disease

2017 ◽  
Vol 21 (2) ◽  
pp. 144-151 ◽  
Author(s):  
Juliana H. Ansai ◽  
Larissa P. Andrade ◽  
Paulo G. Rossi ◽  
Anielle C.M. Takahashi ◽  
Francisco A.C. Vale ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cognitive Impairment ◽  
Mild Cognitive Impairment ◽  
Dual Task ◽  
History Of ◽  
Falls In Elderly

P1-087 Visual motion deficits in Alzheimer's disease are not due to differences in cognitive load

2004 ◽  
Vol 25 ◽  
pp. S119-S120
Author(s):  
Grover C. Gilmore ◽  
Sarah R. Morrison ◽  
Alice Cronin-Golomb ◽  
Melissa Amick
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cognitive Load ◽  
Visual Motion

Associations between physical function, dual-task performance and cognition in patients with mild Alzheimer's disease

2015 ◽  
Vol 20 (11) ◽  
pp. 1139-1146 ◽  
Author(s):  
Nanna Aue Sobol ◽  
Kristine Hoffmann ◽  
Asmus Vogel ◽  
Annette Lolk ◽  
Hanne Gottrup ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Physical Function ◽  
Task Performance ◽  
Dual Task ◽  
Dual Task Performance

scholarly journals Cognitive Load in eCommerce Applications—Measurement and Effects on User Satisfaction

2009 ◽  
Vol 2009 ◽  
pp. 1-9 ◽  
Author(s):  
Peter Schmutz ◽  
Silvia Heinz ◽  
Yolanda Métrailler ◽  
Klaus Opwis
Keyword(s):  
Cognitive Load ◽  
Dual Task ◽  
User Satisfaction ◽  
Secondary Task ◽  
Design Guidelines ◽  
Interactive Systems ◽  
Primary Task ◽  
Strong Correlations ◽  
General Satisfaction ◽  
Nasa Tlx

Guidelines for designing usable interfaces recommend reducing short term memory load. Cognitive load, that is, working memory demands during problem solving, reasoning, or thinking, may affect users' general satisfaction and performance when completing complex tasks. Whereas in design guidelines numerous ways of reducing cognitive load in interactive systems are described, not many attempts have been made to measure cognitive load in Web applications, and few techniques exist. In this study participants' cognitive load was measured while they were engaged in searching for several products in four different online book stores. NASA-TLX and dual-task methodology were used to measure subjective and objective mental workload. The dual-task methodology involved searching for books as the primary task and a visual monitoring task as the secondary task. NASA-TLX scores differed significantly among the shops. Secondary task reaction times showed no significant differences between the four shops. Strong correlations between NASA-TLX, primary task completion time, and general satisfaction suggest that NASA-TLX can be used as a valuable additional measure of efficiency. Furthermore, strong correlations were found between browse/search preference and NASA-TLX as well as between search/browse preference and user satisfaction. Thus we suggest browse/search preference as a promising heuristic assessment method of cognitive load.

Gait assessment in mild cognitive impairment and Alzheimer's disease: The effect of dual-task challenges across the cognitive spectrum

2012 ◽  
Vol 35 (1) ◽  
pp. 96-100 ◽  
Author(s):  
Susan W. Muir ◽  
Mark Speechley ◽  
Jennie Wells ◽  
Michael Borrie ◽  
Karen Gopaul ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cognitive Impairment ◽  
Mild Cognitive Impairment ◽  
Dual Task ◽  
Gait Assessment
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