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Comparative Effects of Sensory Augmentation and Neuromodulation on Enhancing Motor Recovery Among Stroke Survivors
Sponsor: Lahore University of Biological and Applied Sciences
Summary
This study aims to evaluate the effectiveness of two rehabilitation techniques-Sensory Augmentation (using mirror therapy) and Neuromodulation (using transcranial direct current stimulation, tDCS)-in improving motor recovery among stroke survivors. Stroke often results in long-term impairments, particularly in upper limb motor function, which is critical for daily activities. Although current rehabilitation strategies help, more effective solutions are needed to enhance recovery. Participants, aged 45-65 with chronic stroke and upper extremity impairments, will be randomized into three groups: Group 1 will receive a combination of sensory augmentation (mirror therapy) and neuromodulation (tDCS) with routine physical therapy; Group 2 will receive sensory augmentation (mirror therapy) with routine physical therapy; and Group 3 will receive neuromodulation (tDCS) with routine physical therapy. The interventions will take place four times a week for 8 weeks, and participants will undergo motor function assessments, including the Fugl-Meyer Assessment and Jebsen-Taylor Test, before and after the intervention. The study will compare the effects of each intervention on motor recovery, specifically focusing on upper limb function and motor control. The findings could lead to improved rehabilitation protocols, offering stroke survivors better therapeutic options and enhancing their quality of life.
Key Details
Gender
All
Age Range
45 Years - 56 Years
Study Type
INTERVENTIONAL
Enrollment
36
Start Date
2025-11-25
Completion Date
2026-05-30
Last Updated
2025-12-17
Healthy Volunteers
No
Interventions
Sensory Augmentation
Sensory Augmentation in this study will use Mirror Therapy, a non-invasive technique aimed at enhancing sensory feedback and promoting neuroplasticity. Participants will perform tasks with their unaffected arm while observing its reflection in a mirror placed in front of them, creating the illusion that the affected arm is moving. This visual feedback stimulates sensory pathways and encourages the brain to reorganize motor functions. Each session will last 15 minutes, conducted four times a week for 8 weeks, alongside Routine Physical Therapy. Mirror therapy differs from other rehabilitation methods by focusing on sensory-motor deficits through visual feedback, encouraging neuroplasticity and motor recovery, especially in chronic stroke patients with upper limb impairments.
Neuromodulation
Neuromodulation in this study will use Transcranial Direct Current Stimulation (tDCS), a non-invasive technique to modulate brain activity. A low electrical current will be applied to the motor cortex to enhance cortical excitability, promote neuroplasticity, and support motor relearning. tDCS helps reduce spasticity and facilitates recovery of motor functions by altering neural activity in targeted areas of the brain. Each session will last 20 minutes, with a 5-minute break, conducted four times a week for 8 weeks, alongside Routine Physical Therapy. tDCS stands apart from other therapies by directly stimulating brain regions to enhance neural plasticity, targeting motor function recovery through brain stimulation rather than external physical exercises alone.
Combination of Sensory Augmentation and Neuromodulation
The combined intervention will integrate Transcranial Direct Current Stimulation (tDCS) and Mirror Therapy to enhance motor recovery through both brain stimulation and sensory feedback. tDCS will apply a low electrical current to the motor cortex to modulate brain activity, promoting neuroplasticity, reducing spasticity, and facilitating motor relearning. Mirror Therapy will provide visual feedback by having participants perform tasks with their unaffected arm while observing its reflection in a mirror, simulating movement in the affected arm and stimulating sensory-motor pathways. This combined approach aims to maximize neuroplasticity by targeting both the brain and sensory processing systems. Each session will last 45 minutes: 15 minutes of Mirror Therapy, 15 minutes of tDCS, and 15 minutes of Routine Physical Therapy, conducted four times a week for 8 weeks.
Locations (2)
Lahore University of Biological and Applied Sciences
Lahore, Punjab Province, Pakistan
Pakistan Society of Rehabilitation and Differently Abled Hospital
Lahore, Punjab Province, Pakistan