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Study on Dynamic Condition of Focal Brain Injury and Diffuse Axonal Injury
Published October 12, 2011 by Society of Automotive Engineers of Japan in Japan
When a human receives a heavy impact on the head, a focal brain injury and/or a diffuse axonal injury (DAI) are caused. In this study, various impacts were given to a human head finite element model, the dynamic condition of causing focal brain injury and DAI was evaluated using average acceleration and the duration of the head which obtained from the computer simulations, and reconstruction analyses of the documented cases were carried out to verify the conditions. As a result, it was shown the possibility of concurrence of DAI and focal brain injury was high, even though the cause of death was judged as focal brain injury.