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Determination of the Time-frequency Features for Impulse Components in EEG Signals.
Neuroinformatics
January 2025
Institute of Mathematics, University of Kassel, Heinrich-Plett-Str. 40, Kassel, 34132, Germany.
Accurately identifying the timing and frequency characteristics of impulse components in EEG signals is essential but limited by the Heisenberg uncertainty principle. Inspired by the visual system's ability to identify objects and their locations, we propose a new method that integrates a visual system model with wavelet analysis to calculate both time and frequency features of local impulses in EEG signals. We develop a mathematical model based on invariant pattern recognition by the visual system, combined with wavelet analysis using Krawtchouk functions as the mother wavelet.
View Article and Find Full Text PDFRelational Integration Training Modulated the Frontoparietal Network for Fluid Intelligence: An EEG Microstates Study.
Brain Topogr
January 2025
School of Psychology, Guizhou Normal University, Guiyang, Guizhou, China.
Relational integration is a key subcomponent of working memory and a strong predictor of fluid intelligence. Both relational integration and fluid intelligence share a common neural foundation, particularly involving the frontoparietal network. This study utilized a randomized controlled experiment to examine the effect of relational integration training on brain networks using electroencephalogram (EEG) and microstate analysis.
View Article and Find Full Text PDFVenom immunization: IgG/IgE titers, safety, risk, and methods of the VIPRBITEM cohort.
J Biol Methods
October 2024
University of Texas Rio Grande Valley School of Medicine, 1201 West University Drive, Edinburg, TX 78539, USA.
Background: This is the first study to examine a cohort that engages in the practice of immunization with snake venoms. In this practice, either fresh wet venom or venom reconstituted from freeze-dried form is used in vaccination protocols to produce hyper-immunity to venom.
Methods: This is a retrospective community-initiated collaborative research (CICR) project that collated the records of venom immunization.
The strength of confidence is involved in controlling the intensity of attentional allocation.
Sci Rep
January 2025
Graduate School of Health Sciences, Hokkaido University, Sapporo, Japan.
Subjective confidence and uncertainty are closely related to cognition and behavior. However, direct evidence that subjective confidence controls attention allocation is lacking. This study aimed to clarify whether subjective confidence could be involved in controlling attention allocation and intensity.
View Article and Find Full Text PDFEvening Alpha-Lactalbumin Supplementation Alters Sleep Architecture and Reduces Morning Reaction Time in an Athletically Trained Population With Sleep Difficulties.
Int J Sport Nutr Exerc Metab
January 2025
Centre for Sport Research, Institute of Physical Activity and Nutrition, Deakin University, Geelong, Australia.
Evening consumption of a whey protein rich in the amino acid tryptophan, alpha-lactalbumin (ALAC), has previously shown to benefit sleep-particularly among poor sleepers. Given trained populations often experience sleep difficulty, this study investigated whether evening supplementation of ALAC would influence sleep outcomes, mood, and next-day cognitive performance within a trained population with sleep difficulties. Nineteen trained participants (females, n = 11) with sleep difficulties (Athlete Sleep Screening Questionnaire: 8.
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