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The role of virtual reality in improving motor performance as revealed by EEG: a randomized clinical trial
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The role of virtual reality in improving motor performance as revealed by EEG: a randomized clinical trial
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Journal Article
The role of virtual reality in improving motor performance as revealed by EEG: a randomized clinical trial
2017
Overview
Background
Many studies have demonstrated the usefulness of repetitive task practice by using robotic-assisted gait training (RAGT) devices, including Lokomat, for the treatment of lower limb paresis. Virtual reality (VR) has proved to be a valuable tool to improve neurorehabilitation training. The aim of our pilot randomized clinical trial was to understand the neurophysiological basis of motor function recovery induced by the association between RAGT (by using Lokomat device) and VR (an animated avatar in a 2D VR) by studying electroencephalographic (EEG) oscillations.
Methods
Twenty-four patients suffering from a first unilateral ischemic stroke in the chronic phase were randomized into two groups. One group performed 40 sessions of Lokomat with VR (RAGT + VR), whereas the other group underwent Lokomat without VR (RAGT-VR). The outcomes (clinical, kinematic, and EEG) were measured before and after the robotic intervention.
Results
As compared to the RAGT-VR group, all the patients of the RAGT + VR group improved in the Rivermead Mobility Index and Tinetti Performance Oriented Mobility Assessment. Moreover, they showed stronger event-related spectral perturbations in the high-γ and β bands and larger fronto-central cortical activations in the affected hemisphere.
Conclusions
The robotic-based rehabilitation combined with VR in patients with chronic hemiparesis induced an improvement in gait and balance. EEG data suggest that the use of VR may entrain several brain areas (probably encompassing the mirror neuron system) involved in motor planning and learning, thus leading to an enhanced motor performance.
Trial registration
Retrospectively registered in Clinical Trials on 21-11-2016, n.
NCT02971371
.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Analysis
/ Balance
/ Biomedical and Life Sciences
/ Biomedical Engineering and Bioengineering
/ Brain
/ Brain Ischemia - rehabilitation
/ Cerebral Cortex - physiopathology
/ Cortex
/ EEG
/ Ersp
/ Female
/ Gait
/ Gait Disorders, Neurologic - etiology
/ Gait Disorders, Neurologic - rehabilitation
/ Humans
/ Ischemia
/ Lokomat
/ Loreta
/ Male
/ Memory
/ Mobility
/ NMR
/ Paresis
/ Patients
/ Robotics
/ Stroke
/ Stroke Rehabilitation - instrumentation
/ Stroke Rehabilitation - methods
/ Training
