Background: Heart rate variability (HRV) has been considered as a measure of heart-brain interaction and autonomic modulation, and it is modified by cognitive and attentional tasks. In cognitive tasks, HRV was reduced in participants who achieved worse results. This could indicate the possibility of HRV predicting cognitive performance, but this association is still unclear in a high cognitive load sport such as chess Objective: To analyse modifications on HRV and subjective perception of stress, difficulty and complexity in different chess problem (...) tasks. Design: HRV was assessed at baseline. During the chess problems, HRV was also monitored, and immediately after chess problems the subjective stress, difficulty and complexity were also registered. Method: A total of 16 male chess players, age: 35.19 (13.44) and ELO: 1927.69 (167.78) were analysed while six chess problem solving tasks with different level of difficulty were conducted (two low level, two medium level and two high level chess problems). Participants were classified according to their results into two groups: high performance or low performance. Results: Friedman test showed a significant effect of tasks in HRV indexes and perceived difficulty, stress and complexity in both high and low performance groups. A decrease in HRV was observed in both groups when chess problems difficulty increased. In addition, HRV was significantly higher in the high performance group than in the low performance group during chess problems. Conclusions: An increase in autonomic modulation was observed to meet the cognitive demands of the problems, being higher while the difficulty of the tasks increased. Non-linear HRV indexes seem to be more reactive to tasks difficulty, being an interesting and useful tool in chess training. (shrink)

The dual career allows elite athletes to attain their maximum competitive and academic performance, but the COVID-19 pandemic hindered their development and changed their perception of the importance given to the sporting and educational environment. For this reason, the aim of the present study was to determine the differences in the motivations and perceived barriers, the importance given to academic qualifications, and the perception of the dual career from a multifactorial perspective, of elite athletes according to sex, type of sport (...) practiced, job performance, time of sports career, type of athlete, and type of scholarship received. A total of 100 student-athletes participated in the research study by completing the “Perceptions of dual career student-athletes” questionnaire. The results showed that athletes from individual modalities and those who did not receive any scholarships described more barriers. In addition, women studied more because they enjoyed it ; athletes from individual modalities studied to work later ; athletes who do not work perceived a greater influence between study and sports performance ; at the beginning and at the best stage of their sports career, a greater influence of academics on performance was perceived ; and athletes who considered themselves professionals, and athletes who did not receive any scholarships, reported that the conciliation between sports and academic life was difficult. The results obtained point to the importance of dual career scholarships for student-athletes, as well as the need for the programs implemented for these athletes to consider sex, sport modality or type of scholarship granted. (shrink)

Objective: This study aimed to compare the effects of two intervention programs, high-intensity interval training and moderate-intensity training, on anxiety, depression, stress, and resilience during the confinement caused by the coronavirus disease 2019 in healthy adults.Methods: A total of 67 adults who participated were randomly assigned to two groups: HIIT and MIT groups. The MIT group had to perform a home-based intervention based on aerobic exercises, whereas the HIIT group had to perform a home-based intervention based on HIIT exercises. The (...) two groups had to complete the same physical exercise volume, 40 min per session during the confinement period. Depression, anxiety, stress, and resilience were assessed before and after the intervention.Results: Results showed that HIIT and MIT significantly reduced the stress, anxiety, and depression as well as increase the resilience. Moreover, the improvements obtained in the HIIT group seem to be greater than those of the MIT group in depression.Conclusions: HIIT and MIT decreased anxiety, stress, and depression as well as increased resilience during the COVID-19 confinement. In addition, the HIIT intervention seemed to be more beneficial to reduce depression than the MIT intervention. (shrink)

Ship-type identification in a maritime context can be critical to the authorities to control the activities being carried out. Although Automatic Identification Systems has been mandatory for certain vessels, if a vessel does not have them voluntarily or not, it can lead to a whole set of problems, which is why the use of tracking alternatives such as radar is fully complementary for a vessel monitoring systems. However, radars provide positions, but not what they are detecting. Having systems capable of (...) adding categorical information to radar detections of vessels makes it possible to increase control of the activities being carried out, improve safety in maritime traffic, and optimize on-site inspection resources on the part of the authorities. This paper addresses the binary classification problem (fishing ships versus all other vessels) using unbalanced data from real vessel trajectories. It is performed from a deep learning approach comparing two of the main trends, Convolutional Neural Networks and Long Short-Term Memory. In this paper, it is proposed the weighted cross-entropy methodology and compared with classical data balancing strategies. Both networks show high performance when applying weighted cross-entropy compared with the classical machine learning approaches and classical balancing techniques. This work is shown to be a novel approach to the international problem of identifying fishing ships without context. (shrink)

Tras un análisis de las modificaciones que se producen en los textos de Descartes a propósito de las ideas innatas, de una primera visión que las considera contenidos innatos en la mente a otra que considera innata la facultad de pensar y. así, a todas las ideas por ella formadas, se señala que esta modificación está unida a un abandono de la identificación idea-imagen, y se sugiere que esta transformación sólo es explicable desde la problemática suscitada por la fundamentación de (...) la nueva Física. (shrink)

We report three experimental studies of reasoning with double conditionals, i.e. problems based on premises of the form: If A then B. If B then C. where A, B, and C, describe everyday events. We manipulated both the logical structure of the problems, using all four possible arrangements (or ''figures" of their constituents, A, B, and C, and the believability of the two salient conditional conclusions that might follow from them, i.e. If A then C , or If C then (...) A . The experiments showed that with figures for which there was a valid conclusion, the participants more often, and more rapidly, drew the valid conclusion when it was believable than when it was unbelievable. With figures for which there were no valid conclusions, the participants tended to draw whichever of the two conclusions was believable. These results were predicted by the theory that reasoning depends on constructing mental models of the premises. (shrink)

In this work, the author defends the position taken by Polo regarding the latter's interpretation of Hegel. The author catheogrizes his thesis as belonging to the group of work and philosophic trajectory of Leonardo Polo.

In this account we include the list of works published by Polo and the studies by other authors about his philosophical ideas. At the end, we offer a list of unpublished works. We also explain the reasons for the generation and composition of Polo’s archive.

This debate on the duality of the human intellect "ut co-actus" is an inexhaustible and fathomless topic, reserved for the transcension of human thought. It suggests that the transcendental human intellect is on par with the knowledge that God has of each person, subject to the duality that forms the understanding and the being understood.

El objetivo del presente trabajo es poner en diálogo la filosofía poliana del límite mental con el criticismo de Kant. Mantengo que por comenzar desde el hecho de que ellos toman el mismo método como tema, ambas posiciones teóricas están interconectadas. La limitación del conocimiento, el problema de su fundamentación, y la antropología que responde a ambas cuestiones será objeto de estudio del presente artículo.

Comparing the value of intellectual presence to the theoretical reason in the role of the practical reason discovers the importance of the historical past. It allows us to establish the sense of the history in man.

En este trabajo se presenta la doctrina de Polo sobre la luz física, señalando su papel esencial en el universo, especialmente en la emergencia y evolución de la vida. La luz es la analogía real y comunicación formal, algo semejante a un lenguaje físico.

In this work, Polo’s understanding of freedom is examined in all its dimensions: essential and personal freedom, extension and communication. I propose that the personalization of the innate habits corresponds with those which are called the encounters of transcendnetal freedom, which allows us to link Polian doctrin with that which San Josemaría left us about personal freedom.

La persona humana busca hacia dentro su verdad más íntima; o bien omite esa búsqueda y se olvida generosamente de sí. Entonces encuentra: advirtiendo sin llegar a ver, y también mirando y vigilando. Es el despliegue metalógico de la libertad personal: un don que aceptamos y devolvemos buscando la aceptación divina.

En este artículo se examinan las referencias a Escoto de la obra poliana, y se discute en especial el voluntarismo escotísta que reduce el horizonte humano a su actividad esencial.

This work deals with the priority of being in the philosophy of L. Polo. Especially, his first position with regard to human knowledge, and his primacy regarding the temporal sucession.

In the Middle Age it was tried to show that índex of five predicables that Porfirio proposes in Isagoge was suitable and complete. More recently it is affirmed that chis índex is incomplete, and thal can add a new predicable that also Aristotle would have considered: the accidents per se.

Nietzsche uses many of the arguments used by himself against metaphysics in general to criticize the Cartesian cogito. The affinity indicated by Descartes himself between cogito and conscience means that the study focuses on the Nietzschean analysis of the problem of conscience, paying special attention to its anthropological implications. Faced with Cartesian reasoncentrism, Nietzsche maintains that, given that conscience is not an entity removed from the natural world, it is possible to present a strictly naturalist anthropology, eliminating the need to (...) resort to dualist hypothesis drawn from metaphysics or theology. (shrink)

Delimitando el problema mente-cerebro como específicamente moderno, diverso del de las relaciones cuerpo-alma, el autor realiza una fenomenología del darse de lo físico y de lo mental como pórtico necesario para indagar el tipo de relaciones que cabe concebir entre esos dos ámbitos fenoménicos. El recorrido de las diversas teorías se hace agrupándolas en dos enfoques generales: las teorías dualistas y las teorías monistas. A la exposición de cada una se acompañan las objeciones principales que cabe alzar contra ellas. Al (...) final del recorrido, el autor ofrece un argumento contra el materialismo monista, que, sin ser definitivo, parece abonar la mayor plausibilidad de la hipótesis dualista. (shrink)

Se informa en este trabajo del papel del pensamiento de Kierkegaard en la filosofía de Polo. Polo acoge las descripciones kierkegaardianas de la vida estética y sus reflexiones sobre el tedio; pero percibe la insuficiencia de apelar a una raíz interior del yo, frente a su propuesta del carácter de además de la persona humana.

Nicholas of Cusa's notion of the infinite sets him in the essentialist and modal line of the ontological argument. Whatever is thus removed, what is intelligible is given instead, and existence -which is primary- is made to vanish.

En el articulo se argumenta la distancia que separa la concepción apinoziana de lo religioso y de lo político respecto de las tesis mantenidas por los “libertinos” franceses de la primera mitad del XVII, y se cifra la profundúingnlaridad de su pen-samiento en la afirmación de lo “teológico-político” como instancia desde la que, sin mediación de ningún tipo, se articula la trabazón social del “conatus”. Dans l‘article nous faisons voir la distance qui sépare la conception apinozienne a propos de ce (...) qui est réligieux et ce qui est politique par rapport aux théses soutenues par les “libertins” ftan9ais de la premiére moitié du xvnéme siécle. La singularité de la pensée spinozienne est congue A partir de ¡‘aflirmation de ce qui est “théologico-politique” comme réalité A travers laquefle, sans aucune médiation, le “conatus”, dans son fonctionnement, se manifeste comme sociéte. (shrink)

Se realizó una investigación con el objetivo de elaborar actividades que relacionan los elementos teóricos con la práctica desde la asignatura Defensa Civil, para contribuir a la participación de estudiantes universitarios y habitantes de la comunidad "Los Coquitos" en la prevención, mitigación o solución de los problemas ambientales que la afectan. Se aplicó un pre-experimento que permitió comprobar la efectividad de las actividades desarrolladas. Esta propuesta favoreció la vinculación de la escuela con la comunidad desde la protección del medio ambiente. (...) A research was carried out with the aim of designing tasks that relate theoretical elements with the practice in Civil Defense to contribute to the participation of university students and inhabitants of Los Coquitos community in the prevention, lessening or solution of the environmental problems it faces. A pre-experiment was applied which allowed to test the effectiveness of these tasks. This proposal favored the relation between the school and the community taking into account the environmental protection. (shrink)

Esta introducción presenta los estudios del volumen como respuestas a la primera de las tres preguntas fundamentales de la ontología: ¿Qué hay?, ¿Qué es el ser?, ¿Por qué hay algo y no más bien nada? A pesar de que la tercera cuestión ha sido considerada como la más originaria, la admiración de la que nace alcanza su plenitud cuando el filósofo se pregunta, además, por qué las cosas son así y no de otro modo. Pero esta nueva pregunta solo puede (...) surgir cuando el filósofo detiene su mirada ante la irreductible variedad de lo real, es decir, cuando se ocupa con los problemas fundamentales de la teoría de las categorías. (shrink)

El objeto de este trabajo es exponer la enseñanza de los comentarios neoplatónicos griegos sobre el carácter completo del catálogo aristotélico de las categorías en sí mismo considerado. Esta enseñanza puede contribuir a la clarificación del debate actual sobre el problema de la naturaleza de las categorías y su número. Se analizan y discuten los comentarios a las Categorias debidos a Porfirio, Dexipo, Ammonio, Simplicio, Olimpiodoro, Elías y Filopón.

EI gran filósofo catalón, español, iberoamericano y universal Juan David García Bacca, cuya obra inmensa y de impresionante variedad y proyección sobre todas las áreas cientfíicas y humanas se sigue acrecentando cada día, a sus 84 años de edad, con nuevas creaciones -hombre a quien THEORIA tanto debe como inspirador, colaborador y fiel apoyo, desde su exilio venezolano, en los tiempos dificiles de la primera salida de la revista, entre 1952 y 1956- ha querido hoy hacernos llegar, junto a (...) su primer artículo para la nueva etapa, que publicamos en las páginas siguientes, su cordial saludo a la nueva THEORIA, que reproducimos a continuación. (shrink)

El presente texto ofrece un examen sobre la correspondencia que existe entre el deterioro moral y el comportamiento hostil. Con este propósito, la reflexión transita por la querella de carácter ético que tiene lugar en La peste de Albert Camus y por el desvelamiento de una violencia contemporánea que se viste bajo el aspecto de una apremiante autoafirmación de sí, un destape que Byung-Chul Han lleva a cabo en su Topología de la violencia. La llamada que ambos autores lanzan sobre (...) la disposición del espíritu humano que resulta capaz de confirmar este sombrío vínculo o de emanciparnos de él, se convierte en un cometido ante el que el juicio crítico necesita responder. (shrink)

The area of smart power grids needs to constantly improve its efficiency and resilience, to provide high quality electrical power in a resilient grid, while managing faults and avoiding failures. Achieving this requires high component reliability, adequate maintenance, and a studied failure occurrence. Correct system operation involves those activities and novel methodologies to detect, classify, and isolate faults and failures and model and simulate processes with predictive algorithms and analytics. In this paper, we showcase the application of a complex-adaptive, self-organizing (...) modeling method, and Probabilistic Boolean Networks, as a way towards the understanding of the dynamics of smart grid devices, and to model and characterize their behavior. This work demonstrates that PBNs are equivalent to the standard Reinforcement Learning Cycle, in which the agent/model has an interaction with its environment and receives feedback from it in the form of a reward signal. Different reward structures were created to characterize preferred behavior. This information can be used to guide the PBN to avoid fault conditions and failures. (shrink)

La realización del sí mismo representa un cometido que interpela a nuestra propia identidad humana. La heterogeneidad y riqueza de las voces que hablan sobre el cómo responder a ello demandan una deliberación atenta y mesurada. Para algunos, esta tarea supone un alto costo intersubjetivo que eventualmente nos vemos orillados a pagar. Para otros, es apremiante establecer un límite a tal importe para, precisamente, salvaguardar al sí mismo. En esta escena, la propuesta reflexiva de Albert Camus nos ofrece un sensato (...) balance que nos permite situar las coordenadas en las que la conducción de la particular existencia se traduce en una realización compartida. (shrink)