By Stephen Beech

Quicker and more accurate concussion tests can now be conducted - thanks to AI technology.

A new portable device has been developed using machine learning to spot possible concussions through walking, balance and reaction-time tests.

The Mizzou Point-of-Care Assessment System takes the "guesswork" out of concussion assessments, say scientists.

On-field concussion tests are now a regular feature in sports including football, cricket and rugby.

But doctors say spotting a concussion can be difficult after a potential head injury as asking the patient if they feel dizzy or have a headache relies on self-reporting, which isn’t always accurate.

Professor Trent Guess, from the University of Missouri College of Health Sciences in the United States, along with doctoral

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