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1
artículo
Publicado 2017
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Executive functions (FE) are considered as a theoretical construct, referring to the capacity we have as human beings to plan, organize, inhibit, monitor our behavior and be flexible in the face of novel situations. However, this definition is not the only one, since many authors conceptualize it in different ways and this means that different models are presented that try to explain the nature of such functions; However, a consensus has not yet been reached.Therefore, the present work, brings to light those models that seek to explain executive functions in all their magnitude and complexity, finding from anatomical positions to statistical trends or to consider how they develop the FE in the stages of development, the same that were Raised in order to have a better understanding of them.
2
artículo
Publicado 2004
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A long time ago, dental pulp-complex regeneration was our main objective in radicular reparation which could guarantee all appropiate growth of healthy and functional tissue. The present study is about a histological assay of a new dentinal-pulp complex formation using platelet rich plasm, pulpar tissue and fibrina, all autolougus, as components of dental pulp tissular engineering treatment. Qualitative and quantitative assays about the dentin pulp-complex regeneration grade on experimental and control groups were made and showed similar results. This technique opens a pathway for regenerate a complete tooth in the future.
3
artículo
Publicado 2004
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A long time ago, dental pulp-complex regeneration was our main objective in radicular reparation which could guarantee all appropiate growth of healthy and functional tissue. The present study is about a histological assay of a new dentinal-pulp complex formation using platelet rich plasm, pulpar tissue and fibrina, all autolougus, as components of dental pulp tissular engineering treatment. Qualitative and quantitative assays about the dentin pulp-complex regeneration grade on experimental and control groups were made and showed similar results. This technique opens a pathway for regenerate a complete tooth in the future.
4
artículo
Publicado 2019
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Intelligence is a construct of notable impact in our sociocultural context, related to a wide range of conceptual and operational definitions which originate positions that highlights cognitive and abstract elements and emotional and social skills, as well was perspectives that are focused on processes underlying the intelligent performance, such as in the case of executive functions (EFs), which are configured as cognitive processes that make it possible the self-regulation (Miyake & Friedman, 2012). Similarly, there are approaches that give intelligence a relevant and predictive role of school performance, an aspect strengthened by the psychometric perspective, where the concept of intelligence has been closely linked to learning. In this line, we also find the classical perspective of crystallized Intelligence of Cattell (1943), which refers to the knowledge acquired through educa...
5
artículo
Publicado 2010
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The present study raises a hypothesis based on the architectural evidence and figurative art reviewed by the author. We argue a chronological distinction between the two platforms mounds embedded in the archaeological site of Pampa de Llamas-Moxeke in the Casma Valley. Stylistic differentiation in both lines of evidence, plus some radiocarbon dates issues, suggest that the Huaca Moxeke, postulated as a center of religious function, is the main mound in the original design planned for this complex, representative of the defined Casma Pattern proposed by Carlos Williams (1980). While Huaca A, with associated sunken plazas (square and circular) intended as a repository of elite goods (Pozorski and Pozorski 1986), is possibly a late introduction into the Early Formative Period (1800-1000 B.C.). This building is intrusive to the original design of the site but based harmonically on it. The la...
6
artículo
Publicado 2013
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The application of different unit root statistics is by now a standard practice in empirical work. Even when it is a practical issue, these statistics have complex nonstandard distributions depending on functionals of certain stochastic processes, and their derivations represent a barrier even for many theoretical econometricians. These derivations are based on rigorous and fundamental statistical tools which are not (very) well known by standard econometricians. This paper aims to fill this gap by explaining in a simple way one of these fundamental tools: namely, the Functional Central Limit Theorem. To this end, this paper analyzes the foundations and applicability of two versions of the Functional Central Limit Theorem within the framework of a unit root with a structural break. Initial attention is focused on the probabilistic structure of the time series to be considered. Thereafter...
7
artículo
Publicado 2017
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Las funciones ejecutivas (FE) son consideradas como un constructo teórico, referido a la capacidad que tenemos como seres humanos para planificar, organizar, inhibir, monitorizar nuestra conducta y ser flexibles frente a situaciones novedosas. Sin embargo, dicha definición no es la única, ya que muchos autores la conceptualizan de diversas maneras y ello conlleva a que se presenten distintos modelos que tratan de explicar la naturaleza de tales funciones; no obstante, aún no se ha llegado a un consenso de la misma.Por ello, el presente trabajo, pone a la luz aquellos modelos que buscan explicar las funciones ejecutivas en toda su magnitud y complejidad, encontrándose desde posturas anatómicas hasta tendencias estadísticas o considerar cómo se desarrollan las FE en las etapas del desarrollo, las mismas que fueron planteadas con el fin de tener un mejor entendimiento de ellas.
8
tesis de grado
Publicado 2025
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Introducción: La esquizofrenia es un trastorno mental complejo que afecta el pensamiento, el comportamiento y el lenguaje, impactando significativamente la comunicación y la interacción social de los pacientes. Las alteraciones del lenguaje en esquizofrenia incluyen dificultades fonológicas, morfosintácticas, semánticas y pragmáticas, las cuales afectan la calidad de vida y la funcionalidad del paciente. Objetivo: Mapear la evidencia existente sobre las alteraciones del lenguaje en pacientes con esquizofrenia en entornos clínicos. Metodología: Estudio de tipo Scoping review, se realizaron búsquedas en las bases de datos Medline, Embase, Google Scholar y SCOPUS. Se incluyeron artículos que cumplieron con los criterios de inclusión y exclusión adecuados, desde el periodo 2001 - 2024. Las pruebas identificadas en los estudios son instrumentos generales del lenguaje, no creados ...
9
artículo
Dictionaries are a list of words, simple or complex, that are treated as entries (lexical items). It is usual to assert several components: the lemma or headword, named after its most neutral form, followed by an indication of the main inflections of its category: genre and number if they are names, syntactic class if they are verbs. Sometimes, indications of it are made in other aspects: etymology, pronunciation, marks of placement, area of use, register, frequency of use, etc.Among all the group, it is pointed out an area that grows daily, painstakingly, in lexicographic works: the pragmatic component. Most of the words are referential (names, verbs, adverbs), but others correspond to language functions like the expressive and appellative ones; for example, interjections. Many words are objective, but some others depend on subjectivity, such as p...
10
artículo
Dictionaries are a list of words, simple or complex, that are treated as entries (lexical items). It is usual to assert several components: the lemma or headword, named after its most neutral form, followed by an indication of the main inflections of its category: genre and number if they are names, syntactic class if they are verbs. Sometimes, indications of it are made in other aspects: etymology, pronunciation, marks of placement, area of use, register, frequency of use, etc.Among all the group, it is pointed out an area that grows daily, painstakingly, in lexicographic works: the pragmatic component. Most of the words are referential (names, verbs, adverbs), but others correspond to language functions like the expressive and appellative ones; for example, interjections. Many words are objective, but some others depend on subjectivity, such as p...
11
tesis de grado
Publicado 2004
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El presente trabajo de investigación muestra los significados del Cuidado desde la Perspectiva Transcultural, que tienen las enfermeras que laboran en los consultorios de Crecimiento y Desarrollo de los Centros de Salud de la Dirección de Salud V Lima-Ciudad. Tuvo como objetivos conocer el significado del cuidado desde la perspectiva Transcultural, caracterizar el cuidado que brindan las enfermeras y analizar la relación entre ambos. Como sustento teórico fue enmarcado dentro de la teoría de Madeleine Leininger. En este estudio participaron diez enfermeras que laboraban en los consultorios de Crecimiento y Desarrollo; las técnicas para la recogida de datos fueron la observación participante, la entrevista no estructurada y la revisión documentada (en este caso de la historia clínica en la que se observo la anotación realizada por la enfermera luego de la atención a cada niño)...
12
artículo
Publicado 2014
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El sistema de regulación del uso del suelo ha sido criticado por causar o dejar de resolver problemas sociales y por percibir defectos inherentes, tales como la ineficiencia, la desigualdad y el daño ambiental. Estas críticas no entienden al sistema de regulación de uso de suelos en los Estados Unidos como un sistema dinámico, funcional y adaptativo. En este trabajo se analiza sistemáticamente: 1) las funciones; 2) la localización y escala; 3) los componentes; 4) los procedimientos; y 5) los valores del sistema regulatorio de uso de suelos en los Estados Unidos. Si vamos a mejorar nuestras prácticas de uso de suelos, a fin de que sean más justas, eficientes y ecológicamente responsables, debemos entender cómo la planificación del uso del suelo y la función de regulación cambian con el tiempo.Se presta especial atención a la función de ordenamiento territo...
13
Publicado 2021
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El objetivo de este trabajo de investigación fue la teoría general de sistemas nos ayuda a comprender la interrelación entre los diversos sistemas que existen actualmente y la complejidad de estas relaciones, tales como: sistema humano, agroindustrial, el sistema natural y medio ambiente. A través de los supuestos generales de esta teoría, podemos estudiar la formación, organización, tendencias futuras, potencialidades de sistemas, entre otras cosas. El nuevo paradigma de esta era de la información y el conocimiento, involucra múltiples variables interconectadas y complejas. Las nuevas tecnologías, los nuevos mercados, los nuevos medios, los nuevos consumidores, han transformado el mundo en una sociedad grande y globalizada, donde una visión sistémica es fundamental. Cómo actúan estas variables en este nuevo contexto, cómo influyen y son influidas, no se puede estudiar de ...
14
artículo
Publicado 2015
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For aerobic organisms it is essential atmospheric oxygen use. Though, it is also known that about 2-5% of that oxygen is reduced to form free radicals (ROS) such as superoxide, hydroxyl radical and hydrogen peroxide molecule in addition to organic peroxides produced by propagation reactions that can damage cellular biomolecules and starting at the best apoptosis and necrosis. As part of our evolution and adaptation to this gas toxicity we have developed a complex antioxidant defense system with endogenous components (superoxide dismutase-SOD, catalase, glutathione peroxidase, glutathione, uric acid, bilirubin, lipoic acid) and exogenous (Vitamins A, C and E, as well as polyphenols) that are included in our daily diet. This paradox of oxygen throughout life leads to a state of oxidative stress and contributes to the process of senescence, however not uniform for all our body systems. In...
15
artículo
Publicado 2015
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For aerobic organisms it is essential atmospheric oxygen use. Though, it is also known that about 2-5% of that oxygen is reduced to form free radicals (ROS) such as superoxide, hydroxyl radical and hydrogen peroxide molecule in addition to organic peroxides produced by propagation reactions that can damage cellular biomolecules and starting at the best apoptosis and necrosis. As part of our evolution and adaptation to this gas toxicity we have developed a complex antioxidant defense system with endogenous components (superoxide dismutase-SOD, catalase, glutathione peroxidase, glutathione, uric acid, bilirubin, lipoic acid) and exogenous (Vitamins A, C and E, as well as polyphenols) that are included in our daily diet. This paradox of oxygen throughout life leads to a state of oxidative stress and contributes to the process of senescence, however not uniform for all our body systems. In...
16
tesis de maestría
Publicado 1997
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En este trabajo se generaliza la aplicación del método perturbativo diferencial al análisis de sensibilidad en problemas de golpe de ariete para redes hidráulicas complejas y se analiza la función importancia. El fornalismo del método, en síntesis, consiste en formular un problema directo, su problema derivado y su correspondiente problema adjunto. El “problema directo” que tratamos es el fenómeno de golpe de ariete. Partimos de sus ecuaciones clásicas: la ecuación de momento (en la que se considera el término de fricción) y la ecuación de continuidad (en la que se considera el acoplamiento de la compresibilidad del fluido y la elasticidad de la tubería). Las condiciones de borde están dadas por las condiciones iniciales (en nuestro caso analizaremos un estado estacionario) y las condiciones de contorno (en las componentes hidráulicas). Las variables de estado (las va...
17
artículo
The molecular design based on the imitation of the complex structures and processes found in nature is known as bioinspired Chemistry or biomimetic Chemistry. An approach used in this discipline is the preparation of macrocyclic pseudopeptidic compounds from natural amino acids and abiotic components. Proteins exist in nature with very specific properties encoded by the diverse structural and conformational information of the amino acids side chains. The use of this information is a key factor in the design of pseudopeptides with well-defined properties. Therefore, a suitable structural design to obtain the desired functionality relies on the appropriate choice of structural components, natural and abiotic.
18
artículo
The molecular design based on the imitation of the complex structures and processes found in nature is known as bioinspired Chemistry or biomimetic Chemistry. An approach used in this discipline is the preparation of macrocyclic pseudopeptidic compounds from natural amino acids and abiotic components. Proteins exist in nature with very specific properties encoded by the diverse structural and conformational information of the amino acids side chains. The use of this information is a key factor in the design of pseudopeptides with well-defined properties. Therefore, a suitable structural design to obtain the desired functionality relies on the appropriate choice of structural components, natural and abiotic.
19
artículo
Publicado 2024
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The literature shows multiple bibliometric studies on business models across various sectors; however, little attention has been paid to the systematic analysis of academic production in tourism entrepreneurship. The business model in these ventures is a complex process involving sustainable practices and exchanging knowledge and resources within the entrepreneurial ecosystem. Entrepreneurs in tourism often have limited management and organisational capabilities due to an insufficient understanding of the components of business models and their interrelationships in fostering innovation and sustainability. This paper aimed to analyse the lack of unified definitions regarding business models in tourism entrepreneurship and provide guidelines for developing new models and managing existing ones. Through an analysis of 71 articles published between 2000 and 2022, 14 key components were iden...
20
artículo
Publicado 2019
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This article shows the results of research carried out on a public library locatedin Lima where we observed the reading practices of children who were frequentusers of the reading rooms during the months of August to December of 2016. The results indicate that the children develop their own reading practices because of the frequent use of the room, the participation of the literacy mediator, and their role as dynamic agents in the use of the library. The reading practices have components: a playful aspect, an educational aspect and a functional aspect. As the child becomes a reader, reading practices become increasingly complex and acquire other characteristics. Reading practices allow children who are frequent users of the library to, in time, acquire the role of literacy mediators.
