CNN has reported since 2006 that Sharon has been in a coma since suffering a massive stroke that year . It 's not clear how fMRI results contribute to patient 's recovery from a coma . There is a continuum between brain activity and normal awareness . Most improvement in a patient in a coma occurs within one to two weeks .
It 's not clear how fMRI results contribute to patient 's recovery from a coma . There is a continuum between brain activity and normal awareness . Most improvement in a patient in a coma occurs within one to two weeks .