Cognitive Performance & Productivity

Blue light may affect cognitive performance and productivity among computer workers and others who use electronic devices regularly. The following studies investigate this possible connection.


Monochromatic Blue Light Activates Suprachiasmatic Nucleus Neuronal Activity and Promotes Arousal in Mice Under Sevoflurane Anesthesia.

D. Liu, J. Li, J. Wu, J. Dai, et al., Frontiers in Neural Circuits, 2020. 14(55).





Daily blue-light exposure shortens lifespan and causes brain neurodegeneration in Drosophila.

T.R. Nash, E.S. Chow, A.D. Law, S.D. Fu, et al., npj Aging and Mechanisms of Disease, 2019. 5(1): p. 8.


Light Modulation of Human Clocks, Wake, and Sleep.

A.S. Prayag, M. Münch, D. Aeschbach, S.L. Chellappa, et al., Clocks & sleep, 2019. 1(1): p. 193-208.


The effects of screen light filtering software on cognitive performance and sleep among night workers.

R. Kazemi, N. Alighanbari and Z. Zamanian, Health promotion perspectives, 2019. 9(3): p. 233-240.


Ocular and visual discomfort associated with smartphones, tablets and computers: what we do and do not know.

S. Jaiswal, L. Asper, J. Long, A. Lee, et al., Clinical and Experimental Optometry, 2019. 0(0).





Non-Image Forming Effects of Light on Brainwaves, Autonomic Nervous Activity, Fatigue, and Performance.

T. Askaripoor, M. Motamedzadeh, R. Golmohammadi, M. Farhadian, et al., Journal of circadian rhythms, 2018. 16: p. 9-9.


Potential for the development of light therapies in mild traumatic brain injury.

A.C. Raikes, W.D. Killgore, Concussion, 2018. 3(3): p. CNC57.


Light correlated color temperature and task switching performance in preschool-age children: Preliminary insights.

L.E. Hartstein, M.K. LeBourgeois, N.E. Berthier, PLOS ONE, 2018. 13(8): p. e0202973.


Light and Cognition: Roles for Circadian Rhythms, Sleep, and Arousal.

A.S. Fisk, S.K.E. Tam, L.A. Brown, V.V. Vyazovskiy, et al., Frontiers in Neurology, 2018. 9: p. 56.


Plasticity in the Sensitivity to Light in Aging: Decreased Non-visual Impact of Light on Cognitive Brain Activity in Older Individuals but No Impact of Lens Replacement.

V. Daneault, M. Dumont, É. Massé, P. Forcier, et al., Frontiers in physiology, 2018. 9: p. 1557-1557.





Effects of Illuminance and Correlated Color Temperature on Daytime Cognitive Performance, Subjective Mood, and Alertness in Healthy Adults.

Y. Zhu, M. Yang, Y. Yao, X. Xiong, et al., Environment and Behavior, 2017. 51(2): p. 199-230.


The effect of blue-enriched white light on cognitive performances and sleepiness of night-shift workers: A field study.

M. Motamedzadeh, R. Golmohammadi, R. Kazemi and R. Heidarimoghadam, Physiology & Behavior, 2017. 177: p. 208-214.


The effects of spectral tuning of evening ambient light on melatonin suppression, alertness and sleep.

S.A. Rahman, M.A. St Hilaire and S.W. Lockley, Physiol Behav, 2017. 177: p. 221-229.


Short and long-term health consequences of sleep disruption.

G. Medic, M. Wille and M.E. Hemels, Nature and science of sleep, 2017. 9: p. 151-161.


Effects of Blue Light on Cognitive Performance.

N. Bansal, N.R. Prakash, J.S. Randhawa and P. Kalra, International Research Journal of Engineering and Technology (IRJET) 2017. 04(06).


Blue-Light Therapy following Mild Traumatic Brain Injury: Effects on White Matter Water Diffusion in the Brain.

S. Bajaj, J.R. Vanuk, R. Smith, N.S. Dailey, et al., Front. Neurol., 2017. 8:616.


Digital Screen Media and Cognitive Development.

D.R. Anderson and K. Subrahmanyam, Pediatrics, 2017. 140: p. S57.





Disruption of adolescents’ circadian clock: The vicious circle of media use, exposure to light at night, sleep loss and risk behaviors.

Y. Touitou, D. Touitou and A. Reinberg, Journal of Physiology-Paris, 2016. 110(4, Part B): p. 467-479.


Aging-Related Circadian Disruption and Its Correction.

D.G. Gubin, T.V. Bolotnova, S.S. V, A.G. Naymushina, et al., in Treatment Options for Aging, SMGroup, Editor. 2016, SMGroup.


Light-sensitive brain pathways and aging.

V. Daneault, M. Dumont, É. Massé, G. Vandewalle, et al., Journal of Physiological Anthropology, 2016. 35(1): p. 9.





Blue Blocker Glasses as a Countermeasure for Alerting Effects of Evening Light-Emitting Diode Screen Exposure in Male Teenagers.

S. van der Lely, S. Frey, C. Garbazza, A. Wirz-Justice, et al., Journal of Adolescent Health, 2015. 56(1): p. 113-119.


Blue Light: A Blessing or a Curse?

C.C. Gomes and S. Preto, Procedia Manufacturing, 2015. 3: p. 4472-4479.

Benefits and costs of artificial nighttime lighting of the environment.

K.J. Gaston, S. Gaston, J. Bennie and J. Hopkins, Environmental Reviews, 2015. 23(1): p. 14-23.





Blue Light Stimulates Cognitive Brain Activity in Visually Blind Individuals.

G. Vandewalle, O. Collignon, J. Hull, V. Daneault, et al., Journal of Cognitive Neuroscience, 2013. 25: p. 1-14.


Mammalian Inner Retinal Photoreception.

R.J. Lucas, Current Biology, 2013. 23(3): p. R125-R133.


Treatment of attention deficit hyperactivity disorder insomnia with blue wavelength light-blocking glasses.

R.E. Fargason, T. Preston, E. Hammond, R. May, et al.Chrono. Physiology and Therapy, 2013. 3: p. 1-8.


A Comparison of Blue Light and Caffeine Effects on Cognitive Function and Alertness in Humans.

C.M. Beaven and J. Ekström, PLOS ONE, 2013. 8(10): p. e76707.





The Effects of Two Types of Sleep Deprivation on Visual Working Memory Capacity and Filtering Efficiency.

S.P.A. Drummond, D.E. Anderson, L.D. Straus, E.K. Vogel, et al., PLOS ONE, 2012. 7(4): p. e35653.





Evening exposure to a light-emitting diodes (LED)-backlit computer screen affects circadian physiology and cognitive performance.

C. Cajochen, S. Frey, D. Anders, J. Späti, et al., Journal of Applied Physiology, 2011. 110: p. 1432-1438.





Circadian photoreception: ageing and the eye’s important role in systemic health.

P.L. Turner and M.A. Mainster, The British journal of ophthalmology, 2008. 92(11): p. 1439-1444.





Brain Responses to Violet, Blue, and Green Monochromatic Light Exposures in Humans: Prominent Role of Blue Light and the Brainstem.

G. Vandewalle, C. Schmidt, G. Albouy, V. Sterpenich, et al., PLOS ONE, 2007. 2(11): p. e1247.