title: Concussion is completely reversible; an hypothesis.
abstract: It is hypothesized that there is an entity properly called 'concussion', a transient loss of neuronal function without permanent neuronal damage, as defined years ago by Derek-Denny Brown. This implies that multiple concussions leave no deficit. n +1 times zero is still zero. Arguments are presented indicating that there is a margin of safety between the acceleration inducing 1-10 s loss of function (concussion) and that inducing permanent damage (contusions, lacerations).
authors.affiliation: University of Manitoba, Winnipeg, Canada.
authors.forename: D
authors.initials: D
authors.lastname: Parkinson
mesh_terms: D001914:Boxing / Q000293:injuries; D001924:Brain Concussion / Q000209:etiology* / Q000473:pathology / Q000503:physiopathology; D006259:Craniocerebral Trauma / Q000209:etiology; D006801:Humans; D008954:Models, Biological; D009474:Neurons / Q000502:physiology