Glossary

Concussion

Concussion

Commotio·Also: Gehirnerschütterung, Commotio cerebri

Commotio, commonly called concussion, is a mild and usually temporary disturbance of brain function after a blow or a fall on the head. Possible signs are brief loss of consciousness, headache, nausea and gaps in memory.

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Editorial content · as of 9/5/2026