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Optimising lighting conditions to enhance seafarer adaptation to the '6-h on/6-h off' shift pattern: a balanced crossover study.
J Sleep Res
January 2025
Department of Light Sources and Illuminating Engineering, School of Information Science and Technology, Fudan University, Shanghai, China.
The '6-h on/6-h off' shift pattern could potentially disrupt the physiological rhythms and cognitive performance of seafarers, attributed to its shorter and more frequent shifts. Conversely, light exposure has been demonstrated to enhance cognitive abilities and synchronise physiological processes. Therefore, we studied the fatigue, cognition, sleep and rhythm of seafarers with different shifts to determine how light can benefit their performance.
View Article and Find Full Text PDFSelf-Oscillation of Liquid Crystal Elastomer Fiber-Slide System Driven by Self-Flickering Light Source.
Polymers (Basel)
November 2024
School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China.
Self-oscillation, a control approach inspired by biological systems, demonstrates an autonomous, continuous, and regular response to constant external environmental stimuli. Until now, most self-oscillation systems have relied on a static external environment that continuously supplies energy, while materials typically absorb ambient energy only intermittently. In this article, we propose an innovative self-oscillation of liquid crystal elastomer (LCE) fiber-slide system driven by a self-flickering light source, which can efficiently regulate the energy input in sync with the self-oscillating behavior under constant voltage.
View Article and Find Full Text PDFContinuous temporal integration in the human visual system.
J Vis
December 2024
Psychology Program, Division of Science, New York University Abu Dhabi, Abu Dhabi, UAE.
Article Synopsis
- - The human visual system processes visual information continuously, using temporal integration to enhance perception and support cognitive functions by combining inputs over time.
- - Traditional methods for measuring temporal integration are often time-consuming and can lead to participant fatigue and biases due to structured trial setups.
- - A new continuous temporal integration (CTI) task allows participants to freely explore and interact with dynamic stimuli, yielding results that indicate a consistent temporal integration window of about 100 ms, suggesting a more efficient method for studying visual perception.
How fear conditioning affects the visuocortical processing of context cues in humans. Evidence from steady state visual evoked responses.
Cortex
November 2024
Department of Experimental Psychology, Complutense University of Madrid, Spain; Center of Cognitive and Computational Neuroscience (C3N), Complutense University of Madrid, Spain. Electronic address:
Previous research has focused on how different environments modulate fear learning and the accompanying prioritization of acquired threat cues in sensory cortices. Here, we focus on the other side of the coin and show how the acquisition of threat relevance influences the sensory processing of the environment and an associated context cue. Thereby, we observed that spatial suppression surrounding the focus of threat relevant cues extended by threat learning.
View Article and Find Full Text PDFCompression theory for inhomogeneous systems.
Nat Commun
November 2024
James Franck Institute, The University of Chicago, Chicago, IL, USA.
The physics of complex systems stands to greatly benefit from the qualitative changes in data availability and advances in data-driven computational methods. Many of these systems can be represented by interacting degrees of freedom on inhomogeneous graphs. However, the lack of translational invariance presents a fundamental challenge to theoretical tools, such as the renormalization group, which were so successful in characterizing the universal physical behaviour in critical phenomena.
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