Artículos Científicos: Envíos recientes
Mostrando publicaciones 281-300 de 3752
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Minimal exposure durations reveal visual processing priorities for different stimulus attributes
(2024)Human vision can detect a single photon, but the minimal exposure required to extract meaning from stimulation remains unknown. This requirement cannot be characterised by stimulus energy, because the system is differentially ...
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Teacher training: (Dis)encounter between theory and practice
(2024)The preparation of teachers is a key process in the development of effective teachers, however, initial training always seems insufficient and outdated to produce the expected teaching profile and respond to the dynamic ...
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Dos caras de la misma moneda: un estudio de caso comparado de las percepciones de estudiantes de dos universidades públicas (Portugal y Brasil), sobre la evaluación de la calidad de la educación superior
(2024)La percepción de los estudiantes sobre la evaluación de calidad de la enseñanza superior y los aspectos del proceso es una laguna evidente en la literatura. Mediante un estudio comparativo, analizamos la percepción de ...
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Development of an equation to estimate fat-free mass in mountain guides and porters
(2024)Resumen: La composición corporal (CC) es un componente crucial en el seguimiento de los deportistas, no sólo como variable relacionada con el rendimiento físico, sino también como seguimiento de la intervención dietética ...
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Mathematical knowledge from human experience: the case of visual perception and greek architecture
(2024)This paper aims to show that in ancient Greek architecture, it is possible to find a genesis of the geometric modeling of visual perception present in propositions of Euclid's Optics, considering mathematical knowledge as ...
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Effects of video-guided active breaks with curricular content on mental health and classroom climate in chilean schoolchildren aged 6 to 10: study protocol for a multicentre randomized controlled trial
(2024)Background: The incidence of mental health issues in children is increasing worldwide. In Chile, a recent surge in reports of deteriorating mental health among school populations and an increase in complaints related to ...
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Karl Jaspers. Pueblo y Universidad
(2024) -
La introducción del espíritu en la filosofía heideggeriana
(2024)La pregunta central del presente artículo se centra en el grado y alcance de la transformación de la metódica heideggeriana en la medida en que la cuestión del ser debe abrirse a la posibilidad de lo político en la década ...
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Comparative efficiency of nitrogen fertilization levels in two sorghum hybrids for bioenergy production
(2024)To achieve sustainable and profitable production of sorghum for energy purposes, it is crucial to ensure the efficient use of the nutrients necessary for its growth and development. This research investigates the influence ...
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The endocannabinoid peptide RVD-hemopressin Is a TRPV1 channel blocker
(2024)Neurotransmission is critical for brain function, allowing neurons to communicate through neurotransmitters and neuropeptides. RVD-hemopressin (RVD-Hp), a novel peptide identified in noradrenergic neurons, modulates ...
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Virulence adaptation by rice planthoppers and leafhoppers to resistance genes and loci: a review
(2024)In recent decades, research on developing and deploying resistant rice has accelerated due to the availability of modern molecular tools and, in particular, advances in marker-assisted selection. However, progress in ...
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Health-related physical fitness and biochemical parameters in overweight older people during social isolation imposed by the COVID-19 pandemic: a longitudinal and observational study
(2024)With COVID-19, evidence indicates that the elderly will have worse biochemical markers related to health in social isolation. The objective was to analyze the impacts on physical fitness and biochemical parameters of older ...
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Construcción y validación de un test para el cribado auditivo verbal de alteraciones cognitivas (CAVAC)
(2024)Introducción La carga mundial de demencia continuará en aumento y Latinoamérica será una de las regiones más afectadas. Urge contar con nuevas y mejores herramientas de cribado cognitivo. Son pocos los cribados compuestos ...
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A study of the oral bioavailability and biodistribution increase of nanoencapsulation-driven delivering radiolabeled anthocyanins
(2024)Anthocyanins have antioxidant, anti-inflammatory, and anticancer properties but have limited bioaccessibility and bioavailability due to molecular instability in the gastrointestinal tract. This study evaluated the absorption ...
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Modeling learning-oriented motivation in health students: a system dynamics approach
; ; ; ; Precht Gandarillas, Andrea
; (2024)
Background Evidence shows that motivational practices focused on utility, importance, and autonomy shape university students’ motivational orientation toward learning. On the other hand, the relationship between these ...
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Apego en la adultez: una revisión sistemática de la investigación latinoamericana durante los últimos 10 años
(2024)Introducción/objetivo: las investigaciones sobre el apego adulto se han realizado principalmente en países anglosajones o europeos, y hasta el momento no ha habido una recopilación de las contribuciones provenientes de ...
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Suppression of ferromagnetism and emergence of spin-glass-like behavior in the CuCr2-xSnx S2Se2 spinels
(2024)Magnetometry, neutron diffraction experiments, and high-resolution transmission electron microscopy (HRTEM) were performed to study the magnetic behavior of CuCr2−𝑥Sn𝑥S2Se2 (0.2≤𝑥≤1.0) solid solutions and experimentally ...
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Desarrollo de habilidades STEM mediante el uso de prototipos tecnológicos en educación secundaria: una revisión sistemática
(2024)Esta investigación tiene como objetivo describir el estado actual de la literatura científica sobre el trabajo con habilidades STEM mediante el uso de prototipos tecnológicos en la Educación Secundaria. Para alcanzar este ...
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Corporate social responsibility and air transport. exploring the perception of university consumers in Chile
(2024)Corporate social responsibility (CSR) is a strategic model that seeks to satisfy the needs of stakeholders. The aforementioned has been included in the strategic administration of various passenger air transport companies. ...
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Probabilistic, scenario-based hazard assessment for pyroclastic density currents at Tungurahua volcano, Ecuador
(2024)We assess the volcanic hazard posed by pyroclastic density currents (PDCs) at Tungurahua volcano, Ecuador, using a probabilistic approach based on the analysis of calibrated numerical simulations. We address the expected ...