Now its easy to assess head injuries:

An easy-to-use, non-invasive, hand held platform that allows physicians to assess head injures at point-of-care.
Head band & display unit.

The device is FDA-cleared and is based off of EEG technology. BrainScope One is non-invasive and painless and can be used on patients who are aged 18-85 years old within three days of a head injury. It measure and interprets brain activity and neurocognitive function to help physicians make clinical diagnoses.