Such results suggest there may be some higher processing of information going on, and that areas of the brain important for processing complex stimuli are still functioning, said Dr. Keith L. Black, chairman and professor in the department of neurosurgery at Cedars-Sinai Medical Center, who is not involved in Sharon's care.

CNN: Sharon brain results not proof he'll wake up

Rather than diaper businesses, Covidien buys higher-margin medical-device makers in areas like vascular surgery and brain monitoring, where it can develop new products that will add to revenues in two to three years.

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The human brain is an amazing organ, especially the newer areas with their higher-level reasoning abilities.

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