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| http://dx.doi.org/10.1016/j.molmet.2013.11.001 | DOI Listing |
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Attention rhythmically shapes sensory tuning.
J Neurosci
January 2025
Université Paris Cité, CNRS, Integrative Neuroscience and Cognition Center, F-75006 Paris, France.
Attention is key to perception and human behavior, and evidence shows that it periodically samples sensory information (<20Hz). However, this view has been recently challenged due to methodological concerns and gaps in our understanding of the function and mechanism of rhythmic attention. Here we used an intensive ∼22-hour psychophysical protocol combined with reverse correlation analyses to infer the neural representation underlying these rhythms.
View Article and Find Full Text PDFUnlabelled: Neurophysiology studies propose that predictive coding is implemented via alpha/beta (8-30 Hz) rhythms that prepare specific pathways to process predicted inputs. This leads to a state of relative inhibition, reducing feedforward gamma (40-90 Hz) rhythms and spiking to predictable inputs. We refer to this model as predictive routing.
View Article and Find Full Text PDFEnhancing heart disease classification based on greylag goose optimization algorithm and long short-term memory.
Sci Rep
January 2025
Department of Communications and Electronics, Delta Higher Institute of Engineering and Technology, Mansoura, 35111, Egypt.
Heart disease is a category of various conditions that affect the heart, which includes multiple diseases that influence its structure and operation. Such conditions may consist of coronary artery disease, which is characterized by the narrowing or clotting of the arteries that supply blood to the heart muscle, with the resulting threat of heart attacks. Heart rhythm disorders (arrhythmias), heart valve problems, congenital heart defects present at birth, and heart muscle disorders (cardiomyopathies) are other types of heart disease.
View Article and Find Full Text PDFMolecular characterization of a novel photoperiod-insensitive allele Ppd-B1a.3 and its effect on heading date in Chinese wheat (Triticum aestivum) cultivar Qingchun 37.
J Plant Res
December 2024
College of Agronomy, Northwest A & F University, Yangling, 712100, Shaanxi, China.
Breeders adjust wheat heading dates to improve regional adaptability and reduce or mitigate yield losses caused by meteorological disasters, pests and diseases. The Ppd-1 genes play a crucial role in determining wheat sensitivity to changes in day-length and serve as key regulators of heading dates once the vernalization requirement is satisfied. In this study, we identified a new allelic variant of the promoter region, Ppd-B1a.
View Article and Find Full Text PDFThree distinct gamma oscillatory networks within cortical columns in macaque monkeys' area V1.
Front Neural Circuits
December 2024
Cognitive Neurophysiology, Brain Research Institute, University of Bremen, Bremen, Germany.
Introduction: A fundamental property of the neocortex is its columnar organization in many species. Generally, neurons of the same column share stimulus preferences and have strong anatomical connections across layers. These features suggest that neurons within a column operate as one unified network.
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