The campaign against butchery by cutting the throat, while the animal is conscious, has been renewed recently with the gratifying effect that newer methods, more humane in nature, have been devised. The German Society for the Protection of Animals in 1927 and the International Congress for the Protection of Animals held at Vienna decided against the procedure of ' butchery without concussion Ma...

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PURPOSE Current helmet testing standards do not address the rotational components of an impact to the head. We describe a new testing paradigm used to measure the rotational acceleration of a headform and a protective helmet following an impact to the head in the horizontal plane. This impact simulation allows for the testing of currently available head protection devices in conditions thought ...

PRIMARY OBJECTIVE The purpose of the present study was to examine deficits in the alerting, orienting and executive components of attention in individuals who have recently suffered a concussion. RESEARCH DESIGN A group design was used in which the performance by individuals with concussion was compared to control subjects matched for age, height, weight and activity level. METHODS AND PROC...

Concussion is associated with significant symptoms within hours to days post-injury, including disturbances in physical function, cognition, sleep and emotion. However, little is known about how subjective impairments correlate with objective measures of cerebrovascular function following brain injury. This study examined the relationship between symptoms and cerebral blood flow (CBF) in indivi...