According to the study, which was published at the Scandinavian Physiological Society's science conference in Helsinki, bright light administered through the ear canal improved the cognitive speed of students.Administering the Valkee bright light through the ear canal increased the motoric reaction speed of National League professional ice hockey players, compared to a placebo group, results showed in a different study earlier in the year.
Both studies further support findings published in May that revealed that trans-cranial bright light clearly increases functional activity in specific regions of the brain