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| Author(s): |
Vinícius Alota Ignácio Pereira
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Bauru. 2018-02-07. |
| Institution: | Universidade Estadual Paulista (Unesp). Faculdade de Ciências. Bauru |
| Defense date: | 2017-12-19 |
| Advisor: | Fabio Augusto Barbieri |
| Abstract | |
Older people with Parkinson's disease (PD) show deficits in cortical and subcortical areas, which to impair the planning and execution of motor actions. Repetitive, simultaneous and sequential movements are mainly affected, especially when concomitant cognitive task is performed during motor action. More complex locomotor tasks, such as obstacle circumvention during walking, seem to evidence these deficits and increase the asymmetry this population. Therefore, the aims of this study were: a) to analyze the motor and visual strategy on obstacle circumvention during walking with concomitant cognitive task in older people with DP and neurologically healthy individuals; b) to verify the effect of concomitant cognitive task on asymmetry/symmetry of the obstacle circumvention during walking in older people with DP. Two studies was developed to answer the questions of this project. Fifteen individuals with DP and 15 neurologically healthy individuals participated in the study. Participants performed the task to walk, in self-selected speed, with obstacle circumvention, which was positioned at half distance that the participant will cover (10 m). On both sides, attempts were made to walk with obstacle deviation with concomitant cognitive task and without a concomitant task. The motor (Vicon Motion System) and visual parameters (ASL, Eye Tracking Mobile System) of the conditions of interest, were compared through ANOVAs according to the independent variables of the each study. The main findings of this project were that elderly with PD were more conservative than neurologically healthy elderly during walking with an obstacle bypass with a concomitant cognitive task, seeking greater safety and stability than their healthy counterparts. Furthermore, the concomitant double task increased the asymmetry of spatiotemporal parameters during deviation for both groups similarly for both groups and decreased asymmetry of the parameters of eye movement. Finally, elderly people with PD were able to perform both tasks (motor and cognitive) successfully. (AU) | |
| FAPESP's process: | 15/15928-4 - Cognitive dual-task, obstacle circumvention during walking and asymmetry: effects on motor and visual strategies in older people with Parkinson disease |
| Grantee: | Vinícius Alota Ignácio Pereira |
| Support Opportunities: | Scholarships in Brazil - Master |