Computer responses call head-trauma signals

BOULDER — Hundreds of student athletes in the Boulder Valley have taken a neurocognitive test at the Boulder Center for Sports Medicine that may help save lives.

The free, 30-minute Concussion Vital Signs test basically measures a person’s reaction times and ability to concentrate.

How it works: The person being tested sits at a computer and responds on the keyboard to a series of numbers and shapes that flash across the screen. The baseline test measures verbal memory, visual memory, psycho-motor speed, cognitive flexibility, and simple reaction time, said Jason Amrich, a physical therapist and director of the Boulder Center for Sports…