Unfortunately, there's no normal scan side-by-side for comparison, but the two large da_rk areas are the cortex, and are simply empty -- they should be the brightest areas on the scan. On CBS Sunday Morning yesterday they ran a month old (pre-major hype) interview with a neuorolgist saying that based on that scan (of an unidentified patient), the patient was definitely in a persistently vegetative state.
P.S. The filter's gone berserk -- without the underscore, you get ****!
-- Dave K, Speakeasy Moderator
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