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The brain is a complex and fascinating entity. It has the capability to dream, imagine, remember and interpret the world around us, along with a multitude of other functions. It is however, also a fragile piece of equipment as damage to any part of it could disrupt the system, leading to symptoms such as memory trouble, blurred vision and personality changes or phenomenon such as blindsight. Insult to the brain can be sustained from a blow to the head, known as a concussion or a traumatic brain injury (Kolb & Whishaw, 2009). There has been an increase in public awareness during recent times with media coverage of sports-related concussions sustained by high profile hockey players such as Sidney Crosby and the death of actress Natasha Richardson following a blow to the head while skiing. Although concussions have been studied and treated for decades, research is limited. One of the developing views in the field is the possibility of a cumulative effect related to a history of multiple concussions. A number of studies have attempted to shed light on this matter and the results are conf…
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