Brain wounds are most serious wounds in the body. This may lead to the death of a person. According to one research, a change in the BDNF gene sequence may cause serious harm of traumatic brain injury to some persons in compared to the others.
The study was conducted on a group of war veterans of Vietnam who were 156 in numbers. This whole group was suffering from serious head wounds caused during the struggle of war. The emphasis of study was on Prefrontal cortex, a region of brain behind forehand which is responsible for cognitive tasks such as complex thoughts, problem solving and planning.
The researchers thoroughly observe manly factors before and after injury which may affect intelligence of a person prior to serious head wounds and may brought huge difference in cognitive tasks.
The main author of story Aron Barbey, a professor of speech and hearing science, of psychology and of neuroscience at the University of Illinois stated that "We administered a large, cognitive battery of tests to investigate how they performed after their injury,”. He further included “And we had a team of neurologists who helped characterize the nature and scope of the patients' brain injuries."
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