What The Brain Looks Like When It's Unconscious

06/15/2011 06:31 pm 18:31:09 | Updated Aug 15, 2011

A new technique allows researchers to view real-time 3-D images of a patient undergoing anesthesia using the drug propofol, and the findings show that consciousness isn't suddenly switched off, but rather fades as though a dimmer is being dialed down.

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