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Augmented Feedback for Neurorehabilitation: Enhancing Sensorimotor Rehabilitation of the Hand Through Temporally Discrete Vibrotactile Feedback

Biosystems and Biorobotics, ISSN: 2195-3570, Vol: 32, Page: 256-259
2024
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Book Chapter Description

Neurological injuries can impair sensorimotor functions in the upper limb, frequently compromising the ability to grasp objects. Augmented sensory feedback techniques are recognized for promoting neural plasticity, thus helping to restore the lost functions. To this end, we developed a wearable device for non-invasive post-stroke hand rehabilitation. It consists of an instrumented glove that delivers short-lasting vibrotactile stimuli synchronously with the relevant mechanical events of the manipulation. The device was first validated on healthy individuals and then tested on participants with limited sensorimotor functions. When using the device, they improved their hand motor coordination while performing tests for hand motor coordination assessment. The next step involves the validation of the device in a clinical setting with stroke patients. Initial clinical assessment will involve five patients to demonstrate usability. If successful, the second phase will expand to a larger group to evaluate the device’s rehabilitative efficacy.

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