Pre-task light exposure primes higher-order cognition and preserves mood
Daniella Mahfoud, Raymond P. Najjar
This study shows that pre-task light exposure improves cognitive performance and mood without affecting alertness.
Author
National University of SingaporeORCID 0000-0002-3770-2300Unclaimed ORCID profile · follow to get notified of new preprints
Mutual co-authors in cluster
7 papers
Recent·Most cited
Daniella Mahfoud, Raymond P. Najjar
This study shows that pre-task light exposure improves cognitive performance and mood without affecting alertness.
Daniella Mahfoud, Zhiqun Tang, Raymond P. Najjar
The paper develops a machine learning model to classify environments as indoor or outdoor using multispectral light data, achieving high accuracy aligned with human perception.
Sayantan Biswas, Joanna Marie Fianza Busoy, Veluchamy A. Barathi…·Raymond P. Najjar
The paper investigates how high-intensity light and unrestricted vision affect lens-induced hyperopia in chick eyes, finding that unrestricted vision reduces hyperopia while high-intensity light enhances it, with combined effects depending on duration.
Raymond P. Najjar, Abhishek Sokappadu Prayag, Claude Gronfier
This study shows that light suppresses melatonin differently in young and older adults, with young adults relying solely on melanopsin and older adults involving L-cones as well.
Manuel Spitschan, Laura Kervezee, Renske Lok…·Jamie Marc Zeitzer
The paper develops a consensus checklist and guidelines for reporting non-visual light effects in human studies, resulting in a 25-item checklist after expert feedback.
Sayantan Biswas, Arumugam Ramachandran Muralidharan, Bjorn Kaijun Betzler…·Raymond P. Najjar
This study evaluates how different durations of high-intensity light and optical refocus affect lens-induced myopia in chickens, finding that 6 hours of combined treatment prevents myopia development.
Arumugam Ramachandran Muralidharan, Shermaine W. Y. Low, Lee Yong Chong…·Raymond P. Najjar
This study shows that full-spectrum Sunlike-LEDs accelerate recovery from form-deprivation myopia in chicks compared to fluorescent lights, possibly through choroidal and scleral changes.