The diagnostic answer from a Western neurological perspective in relation to closed-head injury (concussions and such, including severe ones, and strokes) is that a person with such an injury can recover to whatever degree, including nearly full or full recovery, but that all recovery must be within 18 months of the original trauma. read more
Younger people are more likely to recover fully from brain injury than older people are. Brain imaging scans are not always helpful in judging the extent of the injury; sometimes scans may show nothing wrong and yet the patient is clearly demonstrating signs of brain injury. read more