Envíos recientes 

Artículos Científicos: Envíos recientes

Mostrando publicaciones 2781-2800 de 3929

  • A review of convolutional neural network applied to fruit image processing 

    Naranjo-Torres, José; Mora, Marco ORCID; Hernández-García, Ruber; Barrientos, Ricardo ORCID; Fredes, Claudio ORCID; Valenzuela-Keller, Andrés A. (2020)
    Agriculture has always been an important economic and social sector for humans. Fruit production is especially essential, with a great demand from all households. Therefore, the use of innovative technologies is of vital ...

  • Effects of blood flow restriction training on bone and muscle tissue: a pilot study 

    González Pérez, Daniel; Castillo Retamal, Marcelo; Villena Pereira, Jorge (2020)
    Los estudios completados hasta el momento respaldan la hipótesis de que el entrenamiento de baja intensidad (EBI) asociado con restricción del flujo sanguíneo (RFS) aumenta la hipertrofia muscular (HM) y fuerza dinámica ...

  • Analysis of accompaniment situations for the improvement of inclusive teaching 

    Méndez, Claudia; Colomina, Rosa (2020)
    Mejorar los procesos de formación docente es uno de los desafíos esenciales para la mejora de la práctica inclusiva. A pesar de numerosos esfuerzos, los resultados muestran la necesidad de buscar nuevas estrategias de ...

  • Penicillium spp. mycotoxins found in food and feed and their health effects 

    Otero, C.; Arredondo, C.; Echeverría-Vega, Alex; Gordillo-Fuenzalida, Felipe (2020)
    Mycotoxins are toxic secondary metabolites produced by fungi. These compounds have different structures and target different organs, acting at different steps of biological processes inside the cell. Around 32 mycotoxins ...

  • A comparison of stochastic gradient MCMC using multi-core and GPU architectures 

    Hernández, Sergio; Valdés, José; Valdenegro, Matias (2020)
    Deep learning models are traditionally used in big data scenarios. When there is not enough training data to fit a large model, transfer learning re-purpose the learned features from an existing model and re-train the lower ...

  • Associations between diet and handgrip strength: a cross-sectional study from UK biobank 

    Gedmantaite, A.; Celis-Morales, Carlos; Ho, Frederick; Pell, J.P.; Ratkevicius, A.; Gray, S.R. (2020)
    The aim of the current study was to investigate the association between diet and handgrip strength. The current study included 68,002 participants (age 63.8 ± 2.7 years, 50.3% women, 49.7% men) from UK Biobank. Diet and ...

  • Nivel de actividad física y sedentarismo en personas con diagnóstico de cáncer en Chile 

    Concha-Cisternas, Yeny; Martínez, María A.; Leiva, Ana M.; Garrido-Méndez, Alex; Matus-Castillo, Carlos; Díaz-Martínez, Ximena; Salas-Bravo, Carlos; Ramírez-Alarcón, Karina; Martorell, Miquel; Cigarroa, Igor; Lasserre-Laso, Nicole; Troncoso-Pantoja, Claudia; Ferrari, Gerson Luis de Moraes; Labraña, Ana M.; Parra, Solange; Petermann-Rocha, Fanny; Celis-Morales, Carlos (2020)
    Background: One of the side effects of cancer treatment is a low level of physical activity (PA) due to fatigue and pain. Aim: To quantify PA levels in Chilean people with cancer. Material and Methods: Analysis of the ...

  • Association between different modes of travelling and adiposity in chilean population: findings from the chilean national health survey 2016–2017 

    Medina, Ignacio; Petermann-Rocha, Fanny; Waddell, Heather; Díaz-Martínez, Ximena; Matus-Castillo, Carlos; Cigarroa, Igor; Concha-Cisternas, Yeny; Salas-Bravo, Carlos; Martínez, María A.; Celis-Morales, Carlos (2020)
    Background: Active travel has been suggested as a feasible way of increasing physical activity levels. Although international studies have demonstrated its effect over different health outcomes and adiposity, there is still ...

  • Obesidad en lactantes: efecto protector de la lactancia materna versus fórmulas lácteas 

    Labraña, Ana M.; Ramírez-Alarcón, Karina; Troncoso-Pantoja, Claudia; Leiva, Ana M.; Villagrán, Marcelo; Mardones, Lorena; Lasserre-Laso, Nicole; Martorell, Miquel; Lanuza, Fabián; Petermann-Rocha, Fanny; Martínez, María A.; Celis-Morales, Carlos (2020)
    El objetivo del trabajo fue analizar el posible efecto protector de la lactancia materna respecto a la obesidad infantil versus fórmulas lácteas. Se consultaron las bases de datos PubMed, Web of Science y Scielo, considerándose ...

  • Nivel educativo y su asociación con niveles de actividad física en Chile 

    Garrido-Méndez, Alex; Matus-Castillo, Carlos; Poblete-Valderrama, Felipe; Flores-Rivera, Carol; Petermann-Rocha, Fanny; Rodríguez-Rodríguez, Fernando; Vásquez-Gómez, Jaime A.; Díaz-Martínez, Ximena; Beltrán González, Ana; Celis-Morales, Carlos (2020)
    Background: A higher educational level is associated with healthier lifestyles. Aim: To assess the association between the level of compliance with physical activity recommendations and years of formal education in Chilean ...

  • Early motor reactivity to observed human body postures is affected by body expression, not gender 

    Borgomaneri, Sara; Vitale, Francesca; Avenanti, Alessio (2020)
    The early response to emotional stimuli involves a transient suppression of motor reactivity to favor monitoring of emotionally relevant information. Using transcranial magnetic stimulation (TMS), we have previously shown ...

  • Developmental coordination disorder in children enrolled in part time and full time public schools 

    Bim, Ricardo H.; Lopes Vieira, José Luiz (2020)
    Introduction: Children with Developmental Coordination Disorder (DCD) are characterized by low motor proficiency unrelated to neurological disorders or severe intellectual impairment, which results in difficulties to perform ...

  • Dissociable neural information dynamics of perceptual integration and differentiation during bistable perception 

    Canales-Johnson, Andrés F.; Billig, Alexander; Olivares, Francisco; Gonzalez, Andrés; Garcia, María; Silva, Walter; Vaucheret, Esteban; Ciraolo, Carlos; Mikulan, Ezequiel; Ibanez, Agustín; Huepe, David; Noreika, Valdas; Chennu, Srivas; Bekinschtein, Tristan A. (2020)
    At any given moment, we experience a perceptual scene as a single whole and yet we may distinguish a variety of objects within it. This phenomenon instantiates two properties of conscious perception: integration and ...

  • Avocado crops as a floral resource for native bees of Chile 

    Monzón-Godoy, Víctor; Avendaño, Patricio; Araujo-Oliveira, Rodrigo; Garrido, Rubén; Mesquita-Neto, José N. (2020)
    Background: Chile is the second largest avocado producer in the world. However, there have been few studies on interactions between native bees and avocado pollination in a Chilean environment. The flowering period of ...

  • El rol del control inhibitorio en la habilidad para resolver problemas de estudiantes universitarios 

    Ramos-Galarza, Carlos; Acosta, Pamela; Ortiz, Dorys; Lepe Martinez, Nancy Fabiola ORCID; Del Valle, Milenko; Ramos, Valentina; Bolaños-Pasquel, Mónica (2020)
    El objetivo de esta investigación fue analizar el rol del control inhibitorio en la habilidad para resolver problemas de estudiantes universitarios. La muestra estuvo conformada por 90 jóvenes con desarrollo típico (Medad= ...

  • Desempeño en funciones ejecutivas de adultos mayores: relación con su autonomía y calidad de vida 

    Lepe Martinez, Nancy Fabiola ORCID; Cancino Durán, Francisca; Tapia Valdés, Fernanda; Zambrano Flores, Pamela; Muñoz Veloso, Patricia del Carmen; Gonzalez-San Martínez, Ivonne; Ramos-Galarza, Carlos (2020)
    A lo largo del ciclo vital, el ser humano es capaz de controlar de manera consciente sus pensamientos, emociones y conducta de manera que se ajusten a las demandas del entorno, lo que se va perdiendo con la vejez, afectando ...

  • Nuevo coronavirus (COVID-19): un análisis bibliométrico 

    O´Brien, Nicolás; Barboza-Palomino, Miguel; Ventura-León, José; Caycho, Tomás; Sandoval-Díaz, José; López-López, Wilson; Salas, Gonzalo (2020)
    Objetivo: La pandemia del nuevo coronavirus (COVID-19) se ha extendido a 180 países, ocasionando más de medio millón de casos confirmados y más de 40.000 muertes. El objetivo principal de este estudio fue analizar la ...

  • Racionalidades sobre formación ciudadana en la formación inicial docente: estudio de caso en una universidad de la región del Maule, Chile 

    Lobatón-Patiño, Ramiro; Precht Gandarillas, Andrea ORCID; Muñoz Canessa, Ítalo; Villalobos-Martínez, Alejandro (2020)
    Esta investigación tiene el propósito de examinar las racionalidades subyacentes en el discurso de formación ciudadana en estudiantes de pedagogía. Para lograrlo se llevó a cabo un análisis documental y un análisis ...

  • Finite field metrics applied to M-FSK modulation in VLC systems 

    Guajardo-Penroz, Cristobal; Soto, Ismael; San-Juan, Enrique; Adasme, Pablo; Azurdia-Meza, Cesar A.; Zabala-Blanco, David (2020)
    This paper provides an alternative to digital filter based frequency detection for multi-frequency shift keying modulation (M-FSK) using field programmable gate array (FPGA) architectures, by providing a hamming space ...

  • Performance analysis of OFDM-Based VLC schemes in NLOS channels 

    Palacios-Játiva, Pablo; Azurdia-Meza, Cesar A.; Román Cañizares, Milton; Zabala-Blanco, David; Montejo-Sánchez, Samuel (2020)
    In this paper, several Orthogonal frequency division multiplexing (OFDM)-based Visible light Communications (VLC) techniques designed for intensity modulation/direct detection (IM/DD) are evaluated and compared for various ...