Vagus Nerve Stimulation for Improving Upper Motor Function After Brain Injury: Stephanie Kolakowsky-Hayner, PhD, CBIST, FACRM, Neuroscience Research Director at Saint Luke’s

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Stroke, a type of acquired brain injury, is a leading cause of long-term disability worldwide, and upper limb motor deficits are among the most common and impactful consequences for survivors. These deficits can significantly impair a person’s ability to perform daily activities, affecting independence, quality of life, and participation in social and occupational roles.

Following a stroke, approximately 50-80% of individuals experience some degree of motor impairment in the upper limb. These deficits may manifest as weakness, loss of dexterity, abnormal muscle tone (spasticity), and impaired coordination.