At a glance
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Virtual-reality Based Cognitive-motor-balance (VR-CogMoBal) Training: Examining Behavioral and Neuromarkers for Fall-risk Reduction in Older Adults With Mild Cognitive Impairment
In Brief
A clinical study evaluating VR Cognitive-motor-balance training for Mild Cognitive Impairment. Completed, enrolled 27 participants across 1 site.
Detailed Summary
Older adults often display gait instability, impaired balance control and cognitive decline that lead to falls and fall risks. Approximately 60% of the elderly people with cognitive deficits experience a detrimental fall each year. Such motor and cognitive impairments further decreases physical activity levels in this population leading to restricted community integration, social behavior, depression and long-term disability. With the help of computer technology, studies have employed virtual-reality based interventions to address the above-mentioned concerns including sensori-motor, balance control and cognitive impairments. Previous studies have demonstrated promising results on improving the behavioral outcomes, and have identified such interventions have the potential to improve the underlying neurophysiological outcomes as well. While VR based training studies have demonstrated remarkable improvement in the balance control and gait parameters, physical activity levels and fall risk reduction, the gains on cognitive function is less pronounced. There is little evidence that VR-based training can explicitly address the higher executive cognitive domains associated with balance control and falls. Further, the effect of VR-based training on balance control and cognitive function is unknown among the older adults with mild cognitive impairment. Therefore, to address the cognitive domains explicitly, the current study aims to test the applicability of Wii-Fit Nintendo along with an additional cognitive load delivered via VR-based cognitive-motor training paradigm (VR-CogMoBal) in older adults with mild cognitive impairment. Lastly, the study also aims to identify the effect of such training on the underlying behavioral and neural outcomes. The behavioral outcomes will be assessed via performance on dual-tasking and clinical measures in the laboratory. The underlying neural outcomes will be assessed via fMRI outcomes. In order to determine the generalizing training effect at community level, a pilot sub-study to determine the physical activity levels post 4 weeks of training will also be conducted.
Study Details
Timeline
Interventions
The participant will play four of the six balance board games Table tilt, Tightrope, Soccer, Balance bubble, Light Run and Basic Step (each game is max 1.5 minutes). Each game will be superimposed with any 3 of the 6 cognitive tasks (word list generation consisting of verbal fluency (VF) and category fluency (CF), digit recall (DR), analogies (AN), mental arithmetic (MA), repeated letter (RL). The cognitive tasks will be randomized making sure that all the cognitive tasks are played with all the games. The cognitive and balance board game scores will be noted on the scoring sheet for each session. A total 10 minutes rest interval between every sub-session will be mandatorily provided.