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Vegetative-state patient responds to therapy

From BBC - September 26, 2017

A man in France has regained some degree of consciousness after being in a vegetative state for 15 years.

Doctors treated the 35-year-old, injured in a car accident, with an experimental therapy that involved implanting a nerve stimulator into his chest.

Within a month, he could respond to simple instructions, turning his head and following an object with his eyes.

Experts say the results are potentially very exciting, but need repeating.

Vagal nerve stimulation (VNS) may not work as effectively in patients with different patterns of brain damage.

But Angela Sirigu, from the Institut des Sciences Cognitives Marc Jeannerod, in Lyon, said it had chosen a really challenging patient to try the treatment out on.

The vagus nerve connects the brain to many parts of the body and helps controls automatic or subconscious functions, including alertness and wakefulness.

After one month of vagal nerve stimulation, the patient's mother reported an improved ability to stay awake when listening to his therapist reading a book.

And brain scans reflected this improvement, Current Biology journal reports.

Vegetative state

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