Synonym for brain concussion ... Transient or prolonged unconsciousness with or without impairment of higher mental functions and/or brainstem functions, due to a violent blow to the head. ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973
Synonym for brain concussion ... Transient or prolonged unconsciousness with or without impairment of higher mental functions and/or brainstem functions, due to a violent blow to the head. ... (12 Dec 1998) ... 
Type: Term Synonyms: brain concussion