Cumulative effect of concussion

TL;DR: The results indicate that modern medical control of boxing cannot prevent chronic brain injuries but may create a dangerous illusion of safety.

TL;DR: This ruling of cause of death was especially striking because an increasing realization is that brain injury is not nothing phenomenon but may al accumulated subconcussive impacts.

TL;DR: Despite a proficiency in the diagnosis of concussion, pediatric emergency physicians exhibit wide variation in recommending the graduated return to play and cognitive rest following concussion.

TL;DR: Increased variability in response time may be an important cognitive deficit after concussion in injured athletes, which has implications for consistency of an athlete's performance after injury, as well as for tests used in clinical assessment and follow up of head injuries.

TL;DR: Siegel et al. as mentioned in this paper introduced nonparametric statistics for the behavioral sciences and proposed a statistical test theory for behavioral sciences, which is based on the non-parametric test theory.

TL;DR: It is concluded that in patients over 60 no special or heroic methods of treatment are indicated but that in children and adolescents every effort should be made as long as there has not been respiratory arrest and cerebral death.