BrainScope One is an FDA-cleared comprehensive head injury assessment device developed by BrainScope Co. The device enables urgent care physicians to objectively assess brain injuries, including concussions. It is handheld, easy-to-use and is based off of EEG technology. It is non-invasive and painless and can be used on patients aged 18–85 years old within three days of a head injury, according to the company. The device measures and interprets brain electrical activity and neurocognitive function for physicians to make clinical diagnoses.