Results 21 to 30 of about 48,617 (218)

Direct Effects of Light on Sleep under Ultradian Light-Dark Cycles Depend on Circadian Time and Pulses Duration

Clocks & Sleep, 2022
Ultradian light–dark cycles in rodents are a precious tool to study the direct effects of repeated light exposures on sleep, in order to better understand the underlying mechanisms.
Fanny Fuchs, Ludivine Robin-Choteau, Laurence Hugueny, Dominique Ciocca, Patrice Bourgin   +4 more
doaj   +1 more source

The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes

Frontiers in Psychology, 2021
Purpose: To investigate the effects of placebo (PLA), 20 min nap opportunity (N20), 5mg·kg−1 of caffeine (CAF), and their combination (CAF+N20) on sleepiness, mood and reaction-time after partial sleep deprivation (PSD; 04h30 of time in bed; study 1) or ...
Mohamed Romdhani, Mohamed Romdhani, Nizar Souissi, Nizar Souissi, Ismael Dergaa, Imen Moussa-Chamari, Olfa Abene, Hamdi Chtourou, Hamdi Chtourou, Zouheir Sahnoun, Tarak Driss, Karim Chamari, Omar Hammouda, Omar Hammouda   +13 more
doaj   +1 more source

Critical Flicker Fusion Frequency: A Marker of Cerebral Arousal During Modified Gravitational Conditions Related to Parabolic Flights

Frontiers in Physiology, 2018
In situ evaluation of human brain performance and arousal remains challenging during operational circumstances, hence the need for a rapid, reliable and reproducible tool.
Costantino Balestra, Costantino Balestra, Marie-Laure Machado, Sigrid Theunissen, Ambre Balestra, Danilo Cialoni, Christian Clot, Christian Clot, Stépane Besnard, Laura Kammacher, Julie Delzenne, Julie Delzenne, Peter Germonpré, Peter Germonpré, Peter Germonpré, Pierre Lafère, Pierre Lafère, Pierre Lafère   +17 more
doaj   +1 more source

Alerting Effect of Light: A Review of Daytime Studies

Journal of Daylighting, 2022
Light affects humans beyond only image formation. Several studies have reported that light can increase daytime alertness and can therefore be positively utilized to counter daytime fatigue and increase productivity in workspaces.
Margarita Alwalidi, Sabine Hoffmann
doaj   +1 more source

Scientific Opinion on the substantiation of a health claim related to caffeine and increased alertness pursuant to Article 13(5) of Regulation (EC) No 1924/2006 [PDF]

EFSA Journal, 2014
Following an application from SmithKline Beecham Limited, submitted for authorisation of a health claim pursuant to Article 13(5) of Regulation (EC) No 1924/2006 via the Competent Authority of United Kingdom, the EFSA Panel on Dietetic Products ...
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA)
doaj   +1 more source

One Hundred and Sixty-One Days in the Life of the Homopandemicus in Serbia: The Contribution of Information Credibility and Alertness in Predicting Engagement in Protective Behaviors

Frontiers in Psychology, 2021
COVID-19 pandemic is a long-lasting process associated with dynamic changes within society and in individual psychological responses. Effective communication of measures by credible sources throughout the epidemic is one of the crucial factors for the ...
Žan Lep, Sandra Ilić, Predrag Teovanović, Kaja Hacin Beyazoglu, Kaja Damnjanović   +4 more
doaj   +1 more source

Mechanisms and therapeutic opportunities of the ribotoxic stress response in cancer

Molecular Oncology, EarlyView.
Cancer cells' high translational demand creates opportunities to therapeutically target ribosome function. Ribosome stalling and collisions activate ZAKα and the ribotoxic stress response (RSR), which can trigger rapid, p53‐independent apoptosis in cancer.
Anastassiya Kim, Maryam Aslam, Elouise Torruella, Alphons Sony, Asif Rahman, Simira Smith, Columba de la Parra, Moira Sauane   +7 more
wiley   +1 more source

Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level

Aging and Cancer, EarlyView.
This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley   +1 more source

A multidisciplinary approach of workload assessment in real-job situations: Investigation in the field of aerospace activities

Frontiers in Psychology, 2014
The present contribution presents two field studies combining tools and methods from cognitive psychology and from occupational psychology in order to perform a thorough investigation of workload in employees.
Claudine eMélan, Nadine eCascino
doaj   +1 more source

Impact of Quantified Smoking Status on Cognition in Young Adults [PDF]

Journal of Clinical and Diagnostic Research, 2015
Introduction: Cigarette smoking is an addictive behaviour which continues to rise among young adults. It has been associated with various health hazards. Effect of smoking on cognitive function has been contradicting.
Hemamalini Ramasamy Vajravelu, Thilip Kumar Gnanadurai, Prabhavathi Krishnan, Saravanan Ayyavoo   +3 more
doaj   +1 more source