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Posts tagged ‘traumatic brain injury’

Practice – not miracles – makes perfect

Ainslie Johnstone, PhD student at the University of Oxford, studies the amazing ability of the brain to reorganise and adapt after injury. In her commended 2016 Max Perutz Science Writing Award article she describes how enhancing this process could help with brain injury recovery.

On 8 January 2011 Gabrielle Giffords, a US congresswoman, was shot in the head at point-blank range. The bullet struck Giffords’ forehead on the left-hand side and travelled straight through her brain, destroying everything in its path.

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Saving the brain from itself

Scott Armstrong

Scott Armstrong

Scott Armstrong, winner of the Max Perutz Science Writing Award 2013, tells us about his efforts to use xenon to combat the brain damage caused by head injuries.

Close your eyes and picture a high-speed car crash. An elderly relative taking a tumble down the stairs. Muhammad Ali flooring Sonny Liston, or just another late night punch-up on the streets of Soho. The common feature here is a traumatic injury to the head, resulting ultimately in damage to the brain. Such incidents are collected together under the medical definition of ‘traumatic brain injury’ – a silent epidemic responsible for close to a million visits to A&E each year, and the leading cause of death and disability in under 45’s in the developed world. An epidemic which represents a major unmet clinical need, given that there are currently no drugs available to arrest the injury processes particular to this type of brain damage.

The fascinating thing about the sort of brain damage observed in a traumatic injury is that the damage caused by the initial, physical blow to the head comprises a relatively small proportion of the total damage the brain will eventually suffer. What actually happens is that in the minutes, hours, and even days following that blow, damage spreads across and into the brain, as a rot spreads through an apple. It is this damage that occurs after the physical insult that is responsible for the major burden of injury and the majority of deaths associated with brain trauma – reflected in the fact that a large percentage of trauma deaths occur weeks after the event. Read more