El objetivo de este artículo es ofrecer una perspectiva histórico-filosófica del idealismo y el Romanticismo. La estrategia que emplearemos en esta investigación consiste en analizar dichas corrientes intelectuales a partir del problema, propio de la Modernidad filosófica, de incorporar la libertad dentro de la estructura de la subjetividad humana. El idealismo y el Romanticismo surgieron gracias a la influencia que ejerció el espíritu libre de la Revolución francesa. El espacio donde se desarrolló esta revolución cultural alemana fue el Círculode Jena, (...) un grupo que concentró a muchos de los intelectuales más influyentes en la historia de la filosofía y la literatura. Y fueron las ideas de Immanuel Kant —en específico, con los temas referentes a la apercepción (Yo pienso), la libertad y el genio— la influencia más determinante para los idealistas y losrománticos. (shrink)

This article states that research in skill acquisitionand executionhas underestimated the relevance of some features of attention. We present and theoretically discuss two essential features of attention that have been systematically overlooked in the research of skill acquisitionandexecution. First, attention alters the appearance of the perceived stimuli in an essential way; and second, attention plays a fundamental role in action, being crucial for solving the so called ’many-many problem’, that is to say, the problem of generating a coherent behavior byselecting (...) between many inputs and many potential outputs. We discuss the importance of these features for skill acquisition in sport. We also suggest empirical ways to assess the precise impact of taking them into consideration and at the same time we propose important implications for training derived from the ideas discussed in the paper. (shrink)

For a standard Finsler F on a manifold M, the domain is the whole tangent bundle T M and the fundamental tensor g is positive-definite. However, in many cases, these two conditions hold in a relaxed form only, namely one has either a psuedo-Finsler metric or a conic Finsler metric. Our aim is twofold. First, we want to give an account of quite a few subtleties that appear under such generalizations, say, for conic pseudo-finsler metrics. Second, we aim to provide (...) some criteria that determine when a pseudo-Finsler metric F obtained as a general homogeneous combination of Finsler metrics and one-forms is again a Finsler-metric -- or, more precisely, that the conic domain on which g remains positive-definite. Such a combination generalizes the known -metrics in different directions. Remarkably, classical examples of Finsler metrics are reobtained and extended, with explicit computations of their fundamental tensors. (shrink)

Los centros penitenciarios poseen módulos educativos donde se procura dotar de enseñanza reglada a los internos para favorecer su reinserción, como se recoge en la Constitución Española de 1978 así como en los decretos de Enseñanza Secundaria para personas adultas. En este marco, se ofrece aquí una propuesta educativa para desarrollar un tema controvertido, como es el del Holocausto, en un ámbito educativo especialmente sensible a procesos educativos en situaciones de confinamiento, un aula de 4º de ESPA en un centro (...) penitenciario, a través del conocimiento de las responsabilidades criminales consideradas en los Juicios de Núremberg. Utilizando la representación dramática como recurso didáctico, ya que los internos tendrían que reproducir los distintos roles de los participantes en los juicios, se pretende, en las diferentes sesiones en las que está estructurada esta propuesta, tratar de las responsabilidades morales, entender la necesaria existencia de unas instituciones fuertes con códigos de convivencia adecuados y desarrollar la empatía con las víctimas del régimen nazi, con el objetivo de que sean desarrollados valores cívicos entre los internos. (shrink)

The aim of this study is to try to make use of real numbers for representing an infinite analysis of individual notions in an infinity of possible worlds.As an introduction to the subject, the author shows, firstly, the possibility of representing Boole's lattice of universal notions by an associate Boole's lattice of rational numbers.But, in opposition to the universal notions, definable by a finite number of predicates, an individual notion, cannot admits this sort of definition, because each state of an (...) individual subject is characterized by the values taken by an infinite number of predicates, each of whom may appear or disappear in the next state.The notion of “degree of identification of an individual notion” is then introduced and arithmetized by a rational number.As an individual notion can be defined by a convergent succession of degrees of identification, the real characteristic number of such an individual notion can be defined by the corresponding convergent succession of rational numbers, satisfying Cauchy's conditions for the convergence of successions. (shrink)

Histamine is a multifunctional biogenic amine with relevant roles in intercellular communication, inflammatory processes and highly prevalent pathologies. Histamine biosynthesis depends on a single decarboxylation step, carried out by a PLP-dependent histidine decarboxylase activity (EC 4.1.1.22), an enzyme that still remains to be fully characterized. Nevertheless, during the last few years, important advances have been made in this field, including the generation and validation of the first three-dimensional model of the enzyme, which allows us to revisit previous results and conclusions. (...) This essay provides a comprehensive review of the current knowledge of the structural and functional characteristics of mammalian histidine decarboxylase. BioEssays 27:57–63, 2005. © 2004 Wiley Periodicals, Inc. (shrink)

Obras escogidas/M. Sánchez-Mazas. - v.1.

Nuestro objetivo es examinar el tratamiento que ofreció Ludwig Wittgenstein en Sobre la certeza al problema escéptico del mundo externo, el cual consiste en la imposibilidad de conocer el mundo empírico. Reconstruiremos este problema a partir del argumento del sueño de René Descartes. Wittgenstein responde que la existencia de un mundo circundante al observador forma parte de las asunciones de los juegos del lenguaje, de modo que el problema es inadmisible. Evaluaremos el abordaje wittgensteiniano y lo entenderemos como una propuesta (...) contextualista que disuelve el problema mediante una reconsideración de sus presupuestos. La lectura contextualista que ofreceremos defiende que los estándares de atribución de verdad, significado y sentido son sensitivos a un contexto de enunciación, que en la obra wittgensteiniana toma el nombre de juego de lenguaje. (shrink)

The notion of the human embryo is not immutable. Various scientific and technological breakthroughs in reproductive biology have compelled us to revisit the definition of the human embryo during the past 2 decades. Somatic cell nuclear transfer, oocyte haploidisation and, more recently, human stem cell-derived embryo models have challenged this scientific term, which has both ethical and legal repercussions. Here, we offer a legal perspective to identify a universally accepted definition of ‘embryo’ which could help to ease and unify the (...) regulation of such entities in different countries. (shrink)

BackgroundMonitoring recovery–stress balance in sport is becoming more relevant to prevent training maladaptation and reach the optimal performance for each athlete. The use of questionnaires that identify the athlete’s recovery–stress state have much acceptance in sports due to reliability and useful, furthermore for its low cost. Identifying possible differences between sport modalities and sex is important to determine specific needs and possible intervention ways to keep a recovery–stress balance. The aim was to analyze the differences in the recovery–stress state and (...) mood states by sex and sport type during the competitive phase in young Mexican athletes. As a secondary objective, the psychometric properties of the Mexican version of the Recovery–Stress Questionnaire for Athletes were analyzed.MethodsA cross-sectional study was carried on with 461 athletes, 17.95 years old, from six sports disciplines. The RESTQ-Sport and Profile of Mood States were applied in a single moment. Differences by sex and sports modality were analyzed. RESTQ-Sport’s confirmatory factor analysis was performed after the stress and recovery theoretical structure of two stress and two recovery dimensions, and last, the concurrent validation with the POMS was carried on.ResultsSignificant differences by sex were found in the General Recovery and Sport Stress dimensions of the RESTQ-Sport as well as Vigor factor of the POMS, being higher for men; furthermore, both the Sport Recovery dimension of RESTQ-Sport and Cholera and the Fatigue and Depression factors from POMS also had differences by sport type, showing a less recovery and high stress for individual sport athletes. Goodness-of-fit indexes of the model for the RESTQ-Sport were acceptable. Pearson’s correlation between questionnaires was moderate.ConclusionThe recovery–stress state shows differences in the function of sex and sport modality. More special attention is suggested for women and individual sport athletes. The higher punctuation for men compared with women in sport stress dimension did not negatively affect the recovery–stress balance for male athletes. Finally, the Mexican context adaptation of the RESTQ-Sport provides a psychometric instrument suitable to assess the recovery–stress balance in Mexican athletes. (shrink)

In this work, the evolution of demographic and health patterns in a Basque rural population from Spain is analysed, as they relate to progress in demographic and epidemiological transition. For this purpose, parochial record data on 13,298 births and 9215 deaths, registered during the 19th and 20th centuries (180090) resulting from cardiovascular diseases and malignant neoplasms (post-transition causes). This last point is in contrast with observations from the first four decades of the 20th century, when infectious diseases and respiratory ailments (...) were determining factors in mortality among this population. The data provided by the study of the variation over time in demographic and health patterns indicate that reducing the risk of mortality is one of the most important preconditions for fertility decline. (shrink)

The focus of this work is the analysis of changes in completed family size and possible determinants of that size over time, in an attempt to characterize the evolution of reproductive patterns during the demographic transition. With this purpose in mind, time trends are studied in relation to the mean number of live births per family (as an indirect measure of fertility), using family reconstitution techniques to trace the reproductive history of each married woman. The population surveyed is a Spanish (...) rural community called Lanciego, located at the southern end of the province of Alava (Basque Country). A total of 24,510 parish records of baptisms, marriages and burials made between 1800 and 1969 were examined to obtain the demographic data set. For each reconstituted family, the variables included in the study were the number of live births per family or family size (FAMS), year of marriage (YEAR), age at marriage of both partners (AMAN, AWOM), wife’s age at the end of marriage (WEND), duration of marriage (MARD), age at first maternity (A1CH), length of reproductive span (REPS) and number of children dying before their first anniversary (MINF). Through a principal component analysis, three factors were found that explained more than 75% of the total variance. Association of variables in factors I and III was particularly useful in characterizing the variability of mean family size in pre-transitional, transitional and post-transitional cohorts. During demographic transition, a decreasing trend is observed in the variables FAMS, REPS and MINF, while variables AWOM, AMAN, WEND and A1CH show a tendency to increase over the 20th century. Results obtained by multiple regression analysis confirm that the best predictors of family size (dependent variable) were REPS and MINF, which between them explained over 85% of the total variation in FAMS (R2=0·853). In Lanciego, birth control seems to be present on the evidence of an increase in age at first maternity and a decrease in age at last parturition, indicating that the beginning of the reproductive span is delayed and its end is brought forward. Interaction between family size and infant mortality is discussed in the light of various hypotheses, including replacement of descendants, the so-called biological effect and the theory of r and k selection. (shrink)

Hace tan solo unos ciento sesenta años que la denominada cultura olmeca salió a la luz. En la historia de la definición de su estilo artístico ocupa un lugar destacado el artista mexicano Miguel Covarrubias. En el artículo realizamos un análisis pormenorizado de su obra, intentando mostrar la evolución de sus ideas artísticas y la importancia que tuvieron a la hora de configurar lo que hoy se denomina «estética olmeca». Se analizan sus presupuestos teóricos y la enorme influencia que (...) sus tesis tienen, aun hoy, a la hora de analizar la que muchos consideran la «cultura madre» de Mesoamérica. (shrink)

An important milestone of 20th Century philosophy was the rise of personalism. After the crimes and atrocities against millions of human beings in two World Wars, especially the Second, some philosophers and other thinkers began to seek arguments showing the value of each human being, to expose and denounce the folly of political structures that violate the inalienable rights of the individual person. -/- Karol Wojtyla appeals to the ancient concept of 'person' to emphasize the particular value of each human (...) being. The person is unique because of their subjectivity by which they possesses an unrepeatable interior world in the history of humanity. Their rational nature grants them a special character among living beings, among which is the transcendence to the infinite. Wojtyla magisterially shows how each human being's personhood is rooted in a conscious and free subjectivity, which is marked also by personal and social responsibility. Wojtyla's original philosophical analysis takes for its starting point the human act, in which consciousness and experience consolidate voluntary choices, which are objectively efficacious. By their acts, the person determines their own personhood. This self-dominion manifests the person and enables them to live together in a community in which one's neighbor can be a companion on the voyage of life. -/- This work provides a clear guide to Karol Wojtyla's principal philosophical work, Person and Act, rigorously analyzing the meaning that the author intended in his exposition. An important feature of the work is that the authors rely on the original Polish text, Osoba i czyn, as well as the best translations into Italian and Spanish, rather than on a flawed and sometimes misleading English edition of the work. -/- Besides the analysis of Wojtyla's masterwork, this volume offers three chapters examining the impact of Wojtyla's anthropology on the relationship between faith and reason. (shrink)

The recent publications reported in 2022 reveal the possibility of obtaining mouse embryos without the need for egg or sperm. These ‘artificial embryos’ can recapitulate some stages of development ex utero – from neurulation to organogenesis – without implantation. Synthetic mouse embryos might serve as a valuable model to gain further insights into early developmental stages. Indeed, it is expected for these models to be replicated by employing human cells. This promising research raises ethical issues and expands the horizon of (...) ethics in regard to the development of the human embryo. From this point of view, we state some of the new open venues for bioethical research. (shrink)

Existe gran consenso dentro de la academia en relación a la necesidad de tener en cuenta un gran número de variables para poder conceptualizar y medir la inclusión o, por ende, la exclusión social que viven ciertos colectivos. A través de un estudio en profundidad de la bibliografía, casos piloto y proyectos similares, se ha creado un sistema de indicadores con la finalidad de medir el impacto socioeconómico de una actividad sociodeportiva vinculada a la inclusión de personas con diversidad funcional. (...) El sistema resultante, se aplicarán en el caso piloto VARIED, un proyecto europeo realizado en cinco países de la propia Unión Europea. (shrink)

In a previous essay we demonstrated that quantum mechanical formalism is incompatible with some necessary principles of the mechanism conception still dominant in the physicist’s community. In this paper we show, based on recent empirical evidence in quantum physics, the inevitability of abandoning the old mechanism conception and to construct a new one in which physical reality is seen as a representation which refers to relations established through operations made by us in a world that we are determining. This change (...) is profound and radical, with immediate consequences on both Ontology and Epistemology. This work is our contribution to try to make more concrete how this new conception of the world might be. (shrink)

La gamificación o ludificación, entendida como la aplicación de la filosofía del juego en contextos no lúdicos, está experimentando en los últimos años un desarrollo espectacular en áreas de diversa naturaleza. Si bien está más que comúnmente aceptado que las funciones principales de los museos consisten en preservar y dar a conocer sus colecciones, resulta fundamental que logren conectar de manera satisfactoria con los usuarios empleando para ello medios y estrategias innovadoras y accesibles. En las siguientes páginas ponemos de manifiesto (...) cómo la gamificación no es sino un recurso idóneo para motivar, fidelizar e influir en el comportamiento de los usuarios. (shrink)