LESA Researchers Published in LEUKOS for Work on Dynamic Changes in Light on Cognition

Arunas Tuzikas, Robert Karlicek and former LESA Researcher Lauren Hartstein completed human factor studies to better understaend how rapid, dynamic changes in light spectral power distribution can impact cognitive performance and comfort. Their findings on the ‘Impact of Dynamic Changes in Light Spectrum Power Distribution on Cognitive Performance & Wellbeing‘ were recently published in LEUKOS – The Journal of the Illuminating Engineering Society (IES). Using LESA’s SMART Lighting Testbed at Rensselaer Polytechnic Institute, Hartstein conducted experiments where participants completed tasks measuring attention and processing speed under both traditional static lighting and dynamic lighting conditions consisting of fluctuations in light correlated color temperature and constant illuminance. Participants completed accompanying questionaires on sleepiness, emotion, and headache and eyestrain under condition consistent with SPD fluctuations in the light correlated color temperature (CCT) and constant illuminance.


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