Preserved feedforward but impaired top-down processes in the vegetative state.
Science. 2011 May 13; 332(6031):858-62
Paul Fletcher and Phil Corlett
23 Jun 2011
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New Finding
Using an electrophysiological procedure, Boly and colleagues distinguish between individuals in three states of conscious awareness; a vegetative state, a minimally conscious state and full conscious awareness. They find that in vegetative patients, who show signs of arousal but no signs of awareness, top-down sensory expectations...
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