YOU’VE had a blow to the head, but how do you know whether you are concussed or not? The answer could be a matter of life or death, yet it takes hours of testing by professionals to know for sure.
Now a virtual-reality headset is being developed that can diagnose the extent of a head injury within minutes. Non-medical personnel will use it to quickly gauge the extent of brain damage, and the system works in noisy emergency rooms, on the battlefield or at the side of a sports field. It can also pick up early signs for dementia.
For…
