Coma Researcher Steven Laureys and His Colleagues Used FMRI to Reexamine

Multiple Choice

Coma researcher Steven Laureys and his colleagues used fMRI to reexamine 54 patients previously diagnosed as being in a persistent vegetative state,or brain dead.Patients were repeatedly asked to imagine swinging a tennis racquet or walking down a familiar street.Five of the patients showed clearly different brain activity to the two tasks despite being unable to communicate with doctors in any other way.These results suggest that not all patients are brain-dead,but instead some may have

A) Broca's aphasia.
B) spatial neglect.
C) locked-in syndrome.
D) neurogenic agnosia.