Play health video: //medlineplus.gov/ency/videos/mov/200049_eng.mp4
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A blow to the head can cause the brain to move and hit the skull. Here, a punch in a boxing match shakes the brain from side to side. A concussion can cause major confusion due to brain distortion.
Review Date 11/13/2021
Updated by: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.