Cognitive load of walking in people who are blind: Subjective and objective measures for assessment

Autor: Gilbert Pradel, Tong Li, Caroline Pigeon, Fabien Moreau, Claude Marin-Lamellet
Přispěvatelé: Laboratoire Ergonomie et Sciences Cognitives pour les Transports (IFSTTAR/TS2/LESCOT), Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-Université de Lyon, Hôpital Raymond Poincaré [AP-HP]
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Male
Non-Randomized Controlled Trials as Topic
Walking
GAIT ANALYSIS
MARCHE A PIED
Blindness
Task (project management)
0302 clinical medicine
Task Performance and Analysis
Orthopedics and Sports Medicine
PSYCHOLOGIE
Cognitive cost
Aged
80 and over
Rehabilitation
[SDV.NEU.SC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences
AVEUGLE
Middle Aged
MENTAL EFFORT
SUBJECTIVE ASSESSMENT
Female
medicine.symptom
Psychology
Visually Impaired Persons
Dual-task paradigm
Adult
medicine.medical_specialty
Adolescent
SIMPLE REACTION TIME TASK
Visual impairment
Biophysics
03 medical and health sciences
Young Adult
Physical medicine and rehabilitation
medicine
Reaction Time
Humans
VISUAL IMPAIRMENT
Aged
030229 sport sciences
Walking Speed
Preferred walking speed
VISION
MOBILITY
Gait analysis
COGNITION
Rehabilitation interventions
human activities
GAIT
030217 neurology & neurosurgery
Cognitive load
Zdroj: Gait and Posture
Gait and Posture, Elsevier, 2019, 67, pp 43-49. ⟨10.1016/j.gaitpost.2018.09.018⟩
ISSN: 0966-6362
DOI: 10.1016/j.gaitpost.2018.09.018⟩
Popis: Background Although walking without vision seems to carry a high cognitive cost, few studies have measured the cognitive load involved in this activity in blind people. The aim of this study was to assess the cognitive load of walking in blind people, using gait analysis, a dual task paradigm and a subjective assessment of cognitive load. Methods In a quantitative quasi-experimental design, 25 blind adults walked 40 meters. In one trial, participants walked normally (control condition). In another, they walked while performing an auditory simple reaction time task, and in the third trial they walked, performed the simple reaction time task and avoided obstacles. In addition to the simple reaction time task performance, walking speed was recorded, and participants provided a subjective assessment of cognitive load after each trial. Performance of participants aged less than 60 years were compared with those aged over than 60 years. Results Walking significantly reduced performance of the simple reaction time task; carrying out the simple reaction time task while walking significantly reduced walking performance and increased the subjective assessment of cognitive load; and simple reaction time task performance decreased and subjective assessment increased when obstacles were present. Few significant age effects were found. Significance Walking without vision involves a cognitive load that increases when the environment becomes complex. Each of the three methods used is relevant when assessing the cognitive load involved in walking in blind people, and could be useful in rehabilitation intervention. The results obtained allowed recommendations to be suggested for the design of technological mobility devices.
Databáze: OpenAIRE
Externí odkaz: