Sharon’s brain scans show leaps in science of comas

LONDON (Reuters) – The state-of-the-art brain scans that allowed doctors to look inside the head of former Israeli prime minister Ariel Sharon show how advances in neuroscience are forcing a rethink of what it means to be in a long-term coma. Neurologists who performed the tests said they hinted that Sharon, who has been in a coma since suffering a stroke in 2006, may have a degree of consciousness and be able to hear sounds or make out pictures. …