In the sport context, an essential aspect of an athlete’s development and performance happens during the interaction with the coach while receiving information on the aspects of performance that need to be modified. Grounded in the Self-Determination Theory and particularly on the basic psychological needs theory, a structural equation model was tested with the following sequence: perception of the amount of corrective feedback generated by the coach, perceived legitimacy of corrective feedback, satisfaction of basic psychological needs, and vitality in soccer (...) players. Additionally, simple mediation and serial mediation models were also tested. Participants were 377 Mexican soccer players, who completed the instruments that evaluated the study variables. SEM results reported positive and significant variables’ interrelations in the sequence. The analysis of serial mediation model showed that the perceived legitimacy of feedback and the satisfaction of basic psychological needs fully mediated the relationship between the perception of the amount of corrective feedback generated by the coach and the perception of the subjective vitality of Mexican soccer players. Results suggest that coaches have to ensure that athletes accept the corrective feedback provided and meet their basic psychological needs. Based on SDT tenets, this research highlights the importance for coaches to be aware of the athlete’s perceptions when they are providing corrective feedback and their implications for athlete’s technical development and well-being. It is suggested to incorporate those aspects to training programs for coaches. (shrink)

The coronavirus disease pandemic fundamentally disrupted humans’ social life and behavior. Public health measures may have inadvertently impacted how people care for each other. This study investigated prosocial behavior, its association well-being, and predictors of prosocial behavior during the first COVID-19 pandemic lockdown and sought to understand whether region-specific differences exist. Participants from eight regions clustering multiple countries around the world responded to a cross-sectional online-survey investigating the psychological consequences of the first upsurge of lockdowns in spring 2020. Prosocial behavior (...) was reported to occur frequently. Multiple regression analyses showed that prosocial behavior was associated with better well-being consistently across regions. With regard to predictors of prosocial behavior, high levels of perceived social support were most strongly associated with prosocial behavior, followed by high levels of perceived stress, positive affect and psychological flexibility. Sociodemographic and psychosocial predictors of prosocial behavior were similar across regions. (shrink)

In this work, we present a new approach to solve the location management problem by using the reporting cells strategy. Location management is a very important and complex problem in mobile computing which aims to minimize the costs involved. In the reporting cells location management scheme, some cells in the network are designated as reporting cells . The choice of these cells is not trivial because they affect directly to the cost of the mobile network. This article is focused on (...) the use of high performance computing to execute a parallel heuristic that places optimally the RCs in a mobile network, minimizing its total cost. The main goal of this work is to demonstrate that the collaborative work of different evolutionary algorithms can obtain very good results. For this reason, we have implemented a parallel heuristic and six evolutionary algorithms that works in a parallel way on a cluster to solve the RCs problem. (shrink)

Las aminas biógenas son compuestos nitrogenados de pequeño tamaño con actividad biológica que se forman por la descarboxilación enzimática de ciertos aminoácidos. Las aminas biógenas se encuentran presentes en todos los seres vivos, en los que participan en procesos biológicas de gran importancia. Sin em­bargo, debido al metabolismo de algunos microorganismos, estos compuestos se pueden acumular en alimentos en concentraciones elevadas, constituyendo un riesgo para la salud de los consumido­res. Para que las aminas biógenas alcancen estas concentraciones elevadas en los (...) alimentos se requiere, como condición indispensa­ble, la presencia de microrganismos productores, por lo que se han desarrollado diferentes métodos para detectar la presencia de los mismos. Entre estos métodos, aquellos basados en técnicas inde­pendientes de cultivo, como la PCR, presentan ventajas como su gran especificidad, el hecho de ser rápidos y de fácil realización, y que en muchos casos ni siquiera es necesario un tratamiento previo de la muestra, lo que facilita su incorporación a las plantas de elabo­ración. En este trabajo se describen algunos de los métodos dispo­nibles en la actualidad para la detección de microorganismos pro­ductores de aminas biógenas, así como sus posibles aplicaciones. (shrink)

v. 1. Filosofía e historia de la ciencia -- v. 2. Lógica y filosofía del lenguaje.

In this essay I propose two theories of truth and show how they deal with semantic paradoxes. Their most salient feature is that they are based on a gametheoretic understanding of logic and meaning. “Truth”, therefore, is understood dialogically, as agreement between parts. I compare this proposal with a similar one already existing in the literature —Dutilh Novaes and French 2018—, and highlight the advantages of mine. The theories of truth I present are non-trivial, substructural (in a sense to be (...) clarified) and capture strong intuitions about truth. Some philosophical recommendations in favor of our understanding of Dialogics are delivered along the way. (shrink)

In this article, we analyze the patterns of culture of honor within Spanish families. Each member of 271 Spanish four-member families completed a questionnaire containing scales for the culture of honor and for sociodemographic variables. The results show that intra-family similarities emerge. However, path analyses show that the gender and birth order of the child are relevant in predicting this similarity. In particular, the first-born child converges with their mother to a higher extent than the father regardless of their gender. (...) However, for the second-born child both parents instill their ideas about culture of honor in a gender congruent way. Furthermore, there are higher similarities within younger families, indicating a stronger influence from parents to children. Results are discussed in view of social role and gender social learning theories. (shrink)

Ayda Ignez Arruda was a key figure in the development of the Brazilian school of Paraconsistent logic and the first person to write a historical survey of the field. Despite her importa...

El Anti-Excepcionalismo Lógico afirma que la Lógica es como cualquier otra ciencia. Si esta afirmación es cierta, entonces ella no sólo es revisable, sino que además todo lo que se puede decir sobre las ciencias aplica, mutatis mutandis, para la misma. El propósito de este artículo es explorar esta consecuencia del Anti-Excepcionalismo Lógico, acercando a la Filosofía de la Lógica el marco teórico de las Máquinas Nomológicas de Nancy Cartwright. De acuerdo con esta visión, lo que hay de verdadero en (...) las teorías científicas no está en el mundo sino en sus modelos: sistemas altamente controlados, estables, artificiales y específicos, dentro de los cuales se manifiestan regularidades sistematizables y enseñables. Mi afirmación es que lo mismo puede decirse de la Lógica: ella no captura las Leyes del Pensamiento o de la Razón, porque el pensamiento y la razón no están gobernados necesariamente por leyes. Sobre lo que sí puede decirse que versan las Leyes de la Lógica son metafísicas posibles: historias acerca de qué son las proposiciones, el pensamiento, la verdad y la validez. A fin de ilustrar y defender esta tesis, presento un ejemplo de Máquina Nomológica de la Lógica Clásica, basada en una lectura original del Tractatus de Wittgenstein, e investigo algunas de sus consecuencias. Mi conclusión es que esta imagen de la Lógica impacta en el problema de la revisión de la Lógica Clásica, en la medida en que muestra que dicha revisión no necesariamente responde a un proceso racional de adecuación de la teoría a los hechos porque los “hechos” relevantes no son anteriores a la teoría misma, sino que están moldeados y conducidos por ella. Palabras clave: Anti-Excepcionalismo Lógico, Abductivismo, Máquinas Nomológicas, Revisión Lógica, Filosofía de la Lógica. (shrink)

In many vertebrates, the enzymatic oxidation of dietary yellow carotenoids generates red keto‐carotenoids giving color to ornaments. The oxidase CYP2J19 is here a key effector. Its purported intracellular location suggests a shared biochemical pathway between trait expression and cell functioning. This might guarantee the reliability of red colorations as individual quality signals independent of production costs. We hypothesize that the ornament type (feathers vs. bare parts) and production costs (probably CYP2J19 activity compromising vital functions) could have promoted tissue‐specific gene relocation. (...) We review current avian tissue‐specific CYP2J19 expression data. Among the ten red‐billed species showing CYP2J19 bill expression, only one showed strong hepatic expression. Moreover, a phylogenetically‐controlled analysis of 25 red‐colored species shows that those producing red bare parts are less likely to have strong hepatic CYP2J19 expression than species with only red plumages. Thus, both production costs and shared pathways might have contributed to the evolution of red signals. (shrink)

Zygmunt Bauman, la tarea de construir un nuevo orden para reemplazar al viejo y oxidado actualmente ya no forma parte de ninguna agenda. La modernidad de hoy vive en una continua licuefacción: es la modernidad líquida. Por eso, advertida la dificultad de la tarea –dado que nos enfrentamos a un escenario en permanente transformación– y teniendo en cuenta que las reflexiones de nuestro autor distan mucho de ser una catalogación exhaustiva, el objetivo de este artículo es señalar una distinción primordial: (...) la contraposición entre ética y moral que trasluce en los textos de Zygmunt Bauman. Este contraste es necesario como presupuesto para secundar una aspiración de Bauman: la de hacer de la modernidad líquida un periodo histórico un poco más moral. Además, la relevancia de establecer este contraste se hace manifiesta al adquirir la convicción de que muchas de las ideas de fondo que subyacen detrás de las afirmaciones de Bauman no se nos presentan directamente ante los ojos, sino que han de ser reconstruidas. Por eso, comenzaremos por justificar la importancia de establecer tal distinción, para después ahondar en las nociones que el sociólogo polaco denominaba ética moderna y ética posmoderna, y, a partir de ahí, dilucidar mejor lo que sería para Bauman la moral. Cerraremos nuestro artículo haciendo una valoración de esta perspectiva de Bauman que, como él mismo reconoce, adolece de la misma ingénita incertidumbre del fenómeno analizado. (shrink)

The Cold War, extended from the popularization of its name in 1947 to the dissolution of the Soviet Union in 1991, functioned a bipolar order in which the White House and the Kremlin set the pace of events. In accordance with the decentralization of the axis of the shock [1], both superpowers chose to avoid direct confrontation and based their strategy on a kind of tactical movements carried out by third parties. The direct consequence was the creation of a breeding (...) ground in developing countries, victims of the competitiveness of both executives and in the specific case of Latin America, in a succession of political disorders that alternated the birth of revolutionary movements and the imposition of military dictatorships. (shrink)

El presente trabajo pretende dar cuenta de qué es la subjetividad y la acción en su aspecto individual como social y para ellos es necesario tener en cuenta cómo se conforma el ser humano y la necesidad del otro para dicha conformación personal. Gracias al lenguaje y la presencia del otro se puede establecer una serie de premisas plausibles que permiten explicar cómo se lleva a cabo la acción en el ser humano. El escrito expone los elemento antropológico que permiten (...) llegan a una comprensión de la acción, elemento indispensable para comprender cómo se generan los cambios en la sociedad. (shrink)

It is necessary to transform the educative experiences into the classrooms so that they favor the development of intellectual abilities of children and teenagers. We must take advantage of the new opportunities that offer information technologies to organize learning environments which they favor those experiences. We considered that to arm and to program robots, of the type of LEGO Mind Storms or the so called "crickets", developed by M. Resnik from MIT, like means so that they children them and young (...) people live experiences that favor the development of their intellectual abilities, is a powerful alternative to the traditional educative systems. They are these three tasks those that require a reflective work from pedagogy and epistemology urgently. Robotics could become in the proper instrument for the development of intelligence because it works like a mirror for the intellectual processes of each individual, its abilities like epistemologist and, therefore, is useful to favor those processes in the classroom. (shrink)

The emergence of social networking is closely related with the new technologies improving user interface experience thus making the interaction between users more natural and intuitive. Before, the first online communities of interest were user lists and asynchronous discussion groups resembling more the form of mass mailings than informal discussions in a cafe or in a classroom. The impact of web 2.0 on scientific practices has become evident in establishing more and more epistemic communities as virtual communities and vice versa. (...) With respect to the role of the paradigm in the constitution and operations of an epistemic community, the framework of values and the ethical reflection of that become its own form of binding and guiding principle of the theoretical action. Thus any individual who joins an online community with the ambition of an epistemic effect must develop the morals and ethics necessary to enable him/her to understand the relevant forms of their theoretical practice. (shrink)

IntroductionThis study aimed to evaluate, in adults with mild cognitive impairment, the brain atrophy that may distinguish between three AT biomarker-based profiles, and to determine its clinical value.MethodsStructural MRI was employed to evaluate the volume and cortical thickness differences in MCI patients with different AT profiles, namely, A−T−−: normal AD biomarkers; A+T−−: AD pathologic change; and A+T++: prodromal AD. Sensitivity and specificity of these changes were also estimated.ResultsAn initial atrophy in medial temporal lobe areas was found in the A+T−− and (...) A+T++ groups, spreading toward the parietal and frontal regions in A+T++ patients. These structural changes allowed distinguishing AT profiles within the AD continuum; however, the profiles and their pattern of neurodegeneration were unsuccessful to determine the current clinical status.ConclusionsMRI is useful in the determination of the specific brain structural changes of AT profiles along the AD continuum, allowing differentiation between MCI adults with or without pathological AD biomarkers. (shrink)

Based on the analysis of primary documentation from interrogation manuals from both the United States and the countries of the South American cone -Argentina, Uruguay, Paraguay and Chile-, as well as reports issued by the different countries, the aim of the article is to analyse the common patterns in the detention and torture process suffered by guerrillas and insurgents belonging to violent organisations. We also seek to highlight the importance of the US model and the mutual influences between the dictatorships (...) that developed in these Latin American countries in the 1960s and 1970s, and to draw a comparative line in the methodology used by the police and military forces. (shrink)

Background:The first wave of the COVID-19 pandemic caused a shortage of qualified nurses in Spain. As a result, the government authorized the hiring of senior students.Objectives:To explore the ethical dilemmas and ethical conflicts experienced by final-year nursing students who worked during the first outbreak of the COVID-19 pandemic in Spain.Research design:A qualitative exploratory study was conducted using purposive sampling. Semi-structured interviews were carried out using a question guide. Interviews took place via a private video chat room platform. A thematic, inductive (...) analysis was performed of the information gathered.Participants and research context:Eighteen nursing students were recruited from two universities of Madrid, aged between 18 and 65 years old, enrolled in the fourth year of nursing studies and who were hired under a relief contract for health professionals during the pandemic.Ethical considerations:The present study was carried out in accordance with the Declaration of Helsinki, and the study was approved by the Local Ethics Committee of Universidad Rey Juan Carlos.Results:Three specific themes emerged: (a) coping with patient triage, (b) difficulties in providing end-of-life care, and (c) coping with patient death. Nursing students participated in the process of patient selection for resource allocation and ICU bed occupancy. They were shown how to care for patients who were not admitted to the ICU, in their last moments and were faced with the difficulties of applying end-of-life care. Finally, the nursing students were confronted with the death of their patients, in overwhelming numbers and under adverse conditions.Conclusions:These findings can help shed light on the ethical dilemmas and ethical conflicts faced by novice nursing students, incorporated into the workforce during the COVID-19 pandemic. Moreover, it was described that students may normalize the death due to the exhaustion and overwhelmed routine. (shrink)

The present study aimed to analyze the stability of the memory of a stressful event (medical examination within a hospital setting) over time in young people (age range 12 to 21, Mage = 15.11 years old, SD = 3.047) with mild or moderate intellectual disability (IQ = 54.32, SD = 13.47). The results show a stability of the memory of what happened an hour and a week after the event in relation to the people involved, the apparatus used, and the (...) parts of the body explored. No interaction effects were found between the stability of memory over time and the level of intellectual disability. The level of disability (mild or moderate) only affected the description of the doctor who performed the exploration and the explored parts of the body, showing better results for people with mild disability. In addition, the results highlight the relationship between memory and IQ, especially verbal IQ. (shrink)

IntroductionRheumatologists are the primary healthcare professionals responsible for patients with rheumatic diseases and should acquire medical ethical competencies, such as the informed consent process. The objective clinical structured examination is a valuable tool for assessing clinical competencies. We report the performance of 90 rheumatologist trainees participating in a station designed to evaluate the ICP during the 2018 and 2019 national accreditations.MethodsThe station was validated and represented a medical encounter in which the rheumatologist informed a patient with systemic lupus erythematosus with (...) clinically active nephritis about renal biopsy. A trained patient–actor and an evaluator were instructed to assess ICP skills in obtaining formal informed consent, delivering bad news and overall communication with patients. The evaluator used a tailored checklist and form.ResultsCandidate performance varied with ICP content and was superior for potential benefit information but significantly reduced for potential complications and biopsy description. Only 17.8% of the candidates mentioned the legal perspective of ICP. Death was omitted by the majority of the candidates ; after the patient–actor challenged candidates, only 57.1% of them gave a clear and positive answer. Evaluators frequently rated candidate communications skills as superior, but ≥1 negative aspect was identified in 69% of the candidates.ConclusionsEthical competencies are mandatory for professional rheumatologists. It seems necessary to include an ethics competency framework in the curriculum throughout the rheumatology residency. (shrink)

The aim of the present study was to assess the impact of past traumatic war experiences on preadolescents in the Gaza Strip, which could be useful for psychological intervention with current and future child victims. Participants were 521 preadolescents from United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) schools, aged 11 and 13 years old. Sections I to IV from Iraqi Version-Arabic of Harvard Trauma Questionnaire was used to assess trauma experiences and Post-Traumatic Stress (...) Disorder (PTSD). The results show that the preadolescents in the Gaza Strip witnessed the destruction of their homes and the murder of family members and friends. A quarter of the individuals assessed either suffered torture or witnessed others undergoing it, including sexual assaults. Almost half of them experienced a lack of food and clean water. The traumatic and torture experiences seriously affected preadolescents’ mental health as 26.29% met criteria for the diagnosis of PTSD. The data analysis revealed two PTSD modalities, with the severity of impact depending on whether social implications were involved. Further research is required to check whether these two modalities fit to PTSD and complex PTSD. Understanding the effects of past wars on preadolescents in Gaza and distinguishing between different PTSD types could enhance comprehension of the impacts of current attacks on child victims. It can also aid in determining the type of intervention needed to minimize the impact on the mental health of Palestinian youth, enhancing their resilience through psychological and social support. (shrink)

En el siguiente artículo tengo como finalidad aplicar el concepto de violencia, estudiado desde distintos abordajes de la psicología, como herramienta teórica para analizar la novela La ciudad y los perros (1963) del Premio Nobel de Literatura Mario Vargas Llosa. El tratamiento que tendrá esta investigación se basará en dos líneas temáticas que segmentan la actuación de un agresor o un violento: las causas y las repercusiones generadas. La primera abordará siete conceptos derivados, como el hecho de aprender a ser (...) agresivo por observación hacia los demás, contar con una explicación biológica, justificar la conducta por el entorno social, criticar la participación de la Policía en la sociedad, usar la violencia sin utilidad, emplear actores de riesgo y seguir permitiendo el mal. La segunda explicará las repercusiones de la violencia, en tanto agresor como de la víctima, considerando los aportes de Ángeles Álvarez Álvarez. (shrink)

Copernicus’s De revolutionibus and Girolamo Fracastoro’s Homocentrica were both addressed to Pope Paul III. Their dedicatory letters represent a rhetorical exercise in advocating an astronomical reform and an attempt to obtain the papal favour. Following on from studies carried out by Westman and Barker & Goldstein, this paper deals with cultural, intellectual and scientific motives of both texts, and aims at underlining possible relations between them, such as that Copernicus knew of Fracastoro’s Homocentrica, and that at least part of the (...) rhetorical strategy laid out in De revolutionibus’s dedicatory letter can be read as a sophisticated response to Fracastoro’s arguments.Keywords: Copernicus; Fracastoro; Paul III; History of astronomy; Patronage. (shrink)

Based on research on the increasingly popular unconscious thought effect (UTE), it has been suggested that physicians might make better diagnostic decisions after a period of distraction than after an equivalent amount of time of conscious deliberation. However, published attempts to demonstrate the UTE in medical decision making have yielded inconsistent results. In the present study, we report the results of a meta-analysis of all the available evidence on the UTE in medical decisions made by expert and novice clinicians. The (...) meta-analysis failed to find a significant contribution of unconscious thought to the accuracy of medical decisions. This result cannot be easily attributed to any of the potential moderators of the UTE that have been discussed in the literature. Furthermore, a Bayes Factor analysis shows that most experimental conditions provide positive support for the null hypothesis, suggesting that these null results do not reflect a simple lack of statistical power. We suggest ways in which new studies could usefully provide further evidence on the UTE. Unless future research shows otherwise, the recommendation of using unconscious thought to improve medical decisions lacks empirical support. (shrink)

This paper studies the different conceptions of both centrality and the principle or starting point of motion in the Universe held by Aristotle and later on by Copernicanism until Kepler and Bruno. According to Aristotle, the true centre of the Universe is the sphere of the fixed stars. This is also the starting point of motion. From this point of view, the diurnal motion is the fundamental one. Our analysis gives pride of place to De caelo II, 10, a chapter (...) of Aristotle’s text which curiously allows an ‘Alpetragian’ reading of the transmission of motion.In Copernicus and the Copernicans, natural centrality is identified with the geometrical centre and, therefore, the Sun is acknowledged as the body through which the Deity acts on the world and it also plays the role of the principle and starting point of cosmic motion. This motion, however, is no longer diurnal motion, but the annual periodical motion of the planets. Within this context, we pose the question of to what extent it is possible to think that, before Kepler, there is a tacit attribution of a dynamic or motive role to the Sun by Copernicus, Rheticus, and Digges.For Bruno, since the Universe is infinite and homogeneous and the relationship of the Deity with it is one of indifferent presence everywhere, the Universe has no absolute centre, for any point is a centre. By the same token, there is no place that enjoys the prerogative of being—as being the seat of God—the motionless principle and starting point of motion.Author Keywords: Author Keywords: Aristotle; Copernicus; Bruno; Centrality; Principle of movement; Extension of the Universe. (shrink)

Helisaeus Roeslin’s manuscript Speculum et harmonia mundi, Das ist Wellt Spiegel Erster Theil was conceived as part of a broader project comprising a Speculum ecclesiae as well as a Speculum naturae. This project was connected with a Chronology aiming to establish the precise date of the most important events in history as well as to advance some conjectures about the approaching eschatological future. This article presents some recent discoveries that shed new light on Roeslin’s chronological work after 1579, most importantly (...) the incontrovertible attribution to Roeslin of the anonymous manuscript De potestatibus orbis Christiani, et politicis et ecclesiasticis, Discursus. Here Roeslin presented his discovery of the numerical proportions governing the numbers of spiritual and temporal potestates in the three historical periods, affirming that these numbers were now nearly fullfilled, along with their ensuing eschatological implications. We show how Roeslin published this discovery in his Kurtz Bedencken against the calendar reform and again in 1612 in a short tract on the occasion of the coronation of Emperor Matthias I. The article focuses in particular on the appended broadsheet Tabella des Welt Spiegels, which displayed the completion and culmination of history, according to the astronomical revolutions of the planets as well as the numbers of temporal and spiritual governors. (shrink)