Deep brain stimulation with electrical pulses may offer hope for patients trapped in a minimally conscious state.Treatment of a 38-year-old man with a severe brain injury enabled him to use words and gestures, chew and swallow and drink from a cup, say US doctors.
Before the stimulation, done through electrodes implanted in his brain, he could only make slight eye or finger movements, the team report in Nature.
Experts said more studies were needed to assess which patients may benefit.
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