They did an autopsy on Karen Ann Quinlan's brain to see if they could
learn anything about her persistant vegetative state. It turns out her
thalamus had been extensively lesioned, thus turning off sensory input
other than from the olfactory system. She may well have been conscious
until she died.
--
Harry Erwin
Internet: herwin at gmu.edu
Just a dumb engineer working on Katchalsky nets....