A concussion is a common injury characterized by a loss of humanoid brain function as a result of a trauma. Whenever a humanoid feels dazed or is knocked unconscious after a blow to the head, he or she has had a concussion.

Commander Jonathan Archer suffered a concussion after being struck by a spatial anomaly in 2153, but made a complete recovery. (ENT: "Twilight")

In 2267, Chief Engineer Montgomery Scott was thrown against a bulkhead of the USS Enterprise, causing a concussion for which he needed rest. (TOS: "Wolf in the Fold")

According to Doctor Julian Bashir, the illusionary Jadzia Dax had a "nasty concussion" after she knocked her head on a console. (DS9: "If Wishes Were Horses")

In 2373, Neelix was diagnosed with a concussion while trying to aid a Nezu planet being bombarded by asteroids. (VOY: "Rise")

External link Edit

• Concussion at Wikipedia