post-traumatic amnesia

Pioneering concussion expert, Dr. Robert Cantu, issues revised return to play guidelines focusing on loss of consciousness, post-traumatic amnesia, concussion number, and time signs and symptoms take to clear at rest and with progressive exertion as factors.

An athlete can experience two types of amnesia after a concussion: anterograde (reduced ability to form new memories) and/or retrograde (partial or total loss of the ability to recall events before injury). Whether anterograde amnesia is an indicator of more serious injury and slower recovery remains unclear.