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Mirror Illusion for Sensori-Motor Training in Stroke: A Randomized Controlled Trial
Kamal Narayan Arya1, Shanta Pandian1, Vikas1
1Pandit Deendayal Upadhyaya National Institute for Persons with Physical Disabilities, New Delhi, India.
Summary
Mirror therapy (MT) significantly improved tactile sensation and touch response in stroke survivors. This neural-based approach offers a promising new treatment for sensory deficits, enhancing recovery in both affected and less-affected hands.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Clinical Neurology
Background:
- Sensory deficits are common after stroke, often overlooked despite their link to motor recovery.
- Mirror therapy (MT), a neural-based intervention, has not been previously investigated for post-stroke sensory impairment.
Purpose of the Study:
- To develop and evaluate the efficacy of a Mirror Therapy (MT) program for addressing sensori-motor impairments in individuals post-stroke.
Main Methods:
- A randomized controlled trial was conducted with 31 chronic post-stroke subjects.
- The experimental group received MT involving sensory and motor tasks on the less-affected hand, while the control group received conventional therapy.
- Sensory function was assessed using the Semmes Weinstein Monofilament and 2-Point discrimination test; motor recovery was measured by the Fugl-Meyer Assessment.
Main Results:
- The experimental group showed a significant improvement in positive touch-response (30%) compared to controls (13.5%).
- A significant improvement in the cutaneous threshold of the less-affected palm was observed in the MT group (P = .04).
Conclusions:
- Mirror Therapy (MT) presents a promising therapeutic option for improving cutaneous sensibility in stroke patients.
- The mirror illusion generated by MT can be leveraged to treat both sensory and motor deficits, benefiting both more-affected and less-affected hands.
Keywords:
2-point discriminationCerebrovascular accidentCutaneous thresholdHandMonofilamentRehabilitationTactileMore Related Videos
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