November 30, 2012

Some Comatose Brains Remain Active

John Timmer, Ars Technica

AP Photo

Neural imaging has helped change our perspective on what goes on in the brains of people who have lost consciousness for extended periods. Structural studies have shown that, while some people end up comatose or vegetative because of significant structural damage, others remain unconscious despite having brains that appear largely intact. And, in a recent case, a patient who has been categorized as vegetative for over a decade showed brain activity that suggested he was responding to researchers' queries.

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TAGGED: Brain Activity, Brain Circuits, Coma


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