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Updated: Jul 17, 2026

A Protocol for Transcranial Photobiomodulation Therapy in Mice
Published on: November 18, 2018
Blue light improves cognitive performance
S Lehrl1, K Gerstmeyer, J H Jacob
1Department of Psychiatry and Psychotherapy, University of Erlangen-Nuremberg, Erlangen, Germany. siegfried.lehrl@psych.imed.uni-erlangen.de
Abstract:
A newly discovered system of photoreceptors for circadian rhythms works non-visual and responds to blue light (460 nm). We report a longitudinal study in 44 adults, showing that a significant increase in alertness and speed of information processing could be achieved by blue light as compared to normal light.
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