User blog comment:Admiral Leviathan/Medic! (FTGF9)/@comment-1535286-20101217014556/@comment-11644326-20101217035500

"Concussion" Means when a person's brain is shaken around in his skull.

"Conscious" Mean being awake.

"Minutes" Are a measurement of time.

That aside, Sonic has an IQ of 74, and he just suffered a major blow.