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Blue light improves cognitive performance

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Summary

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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Authors and Affiliations

  1. Department of Psychiatry and Psychotherapy, University of Erlangen-Nuremberg, Erlangen, Germany

    S. Lehrl, J. H. Jacob, H. Frieling, A. W. Henkel, R. Meyrer, J. Wiltfang, J. Kornhuber & S. Bleich

  2. Augenzentrum, Minden/Westfalen, Germany

    K. Gerstmeyer

Authors
  1. S. Lehrl
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  2. K. Gerstmeyer
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  3. J. H. Jacob
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  4. H. Frieling
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  5. A. W. Henkel
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  6. R. Meyrer
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  7. J. Wiltfang
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  8. J. Kornhuber
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  9. S. Bleich
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Lehrl, S., Gerstmeyer, K., Jacob, J. et al. Blue light improves cognitive performance. J Neural Transm 114, 457–460 (2007). https://doi.org/10.1007/s00702-006-0621-4

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  • DOI: https://doi.org/10.1007/s00702-006-0621-4

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