Brain test results don't mean Ariel Sharon will 'come back,' bioethicist says
nbc excerpt
What about the brain activity?
The data that the doctors and scientists see is very hard to interpret.
Something is going on in Sharon’s brain when he sees or hears familiar things.
But is he really aware of what he sees or are well-worn neural pathways firing up
when familiar stimuli are present without anyone home to appreciate them?