Even though Sharon is gradually improving, doctors say that it could take weeks or months to know the extent of his brain damage. “In some cases there is a return to full functioning, and in some cases there isn’t,” one surgeon said. Sharon has not responded yet to verbal stimulation such as being addressed by his name. Doctors are expected to completely stop the inflow of the anesthetic medicine by Wednesday evening. After that, they will have to wait up to 36 hours until the sedatives completely leave the prime minister’s body. Doctors have only tested neurological responses, which originate from the prime minister’s brainstem.