ÍNDICE: Presentación. Prólogo - Una reflexión sobre el concepto del arte. - La sensibilidad. - Lo estético. - El estilo. - Arte y Utilidad. - El Dibujo. - Análisis de la línea. - La forma plana - El claroscuro y la entonación. - La textura. - La forma tridimensional. - La armonía. - La simetría - La proporción y el cuerpo humano. - El movimiento. - El peso como elemento plástico. - La composición. - El color. - El diseño. - (...) El rostro humano como significante estético. - El arte como lenguaje. Índice de nombres. (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)

Background: The prevalence of anxiety and depression in young students is associated with biosocial factors and scholastic stress. However, few studies have evaluated emotional-affective symptoms that are related to the immune system and antioxidant parameters in young individuals without diagnoses of affective disorders.Aim: This study aims to assess the relationship between emotional-affective symptoms and glutathione concentrations and CD4 and CD8 lymphocyte counts in college students.Methods: College students completed standardized psychometric instruments, including the Perceived Stress Scale, Hamilton Anxiety Scale, Beck Depression (...) Inventory, Familiar Social and Friends Support Scale, and Rosenberg Scale. Blood samples were biochemically analyzed. Analyses of variance were conducted between four groups according to symptom severity.Results: A considerable prevalence of stress, anxiety, and depression symptoms was observed and negatively correlated with self-esteem and socio-familiar support. Perceived stress was sexually dimorphic. Although biochemical parameters were within reference ranges, glutathione, CD4, and CD8 tended to be lower in participants with anxiety and depression symptoms, which may be of predictive value.Conclusion: The relationship between antioxidant/immune parameters and socio-affective scores is latent in undiagnosed college students who might develop affective disorders. The findings suggest that during the initial development of affective disorders, stress management strategies should be implemented to help college students cope with the academic load and monitor negative changes in their physiological state. (shrink)

The study of cognitive development has been, and still is, faced with two fundamental problems. They are connected, and no satisfactory answer has been found to either. The first problem concerns a terminological distinction and the corresponding semantic contents - it is important to be clear about which characteristics make it possible to distinguish percepts from concepts proper. The second problem, which depends on such distinction, consists in determining when and how, in cognitive development, the turn from perceptual categories into (...) concepts occurs. This paper provides a clear and precise answer to both questions. (shrink)

The trade and technological war initiated in 2018 between China and the United States has increased interest in the possible hegemonic succession. In this paper, starting from the concept of interstate hegemony, a comparative analysis of the material capabilities of each power in five areas: productive, technological, commercial, monetary-financial and military. This analysis makes it possible to quantify whether China can surpass the United States. As a result, it is concluded that China is far from surpassing the United States in (...) the military and monetary-financial areas, but it can compete in the productive, commercial, and certain critical technological sectors. (shrink)

According to kin selection theory, indirect reproductive advantages may induce individuals to care for others with whom they share genes by common descent, and the amount of care, including self-sacrifice, will increase with the proportion of genes shared. Twins represent a natural situation in which this hypothesis can be tested. Twin pairs experience the same early environment because they were born and raised at the same time and in the same family but their genetic relatedness differs depending on zygosity. We (...) compared the degree of willingness to fight and sacrifice for the co-twin among monozygotic and dizygotic pairs in a sample of 1443 same-sex and opposite-sex twins. We also analyzed the effect of the subject’s gender and that of the co-twin on those altruistic behaviors. Results partly supported the postulated explanation. MZ twins were significantly more likely than DZ twins to self-sacrifice for their co-twins, but zygosity did not affect willingness to fight for him/her. The genders of the subject and of the co-twin, not genetic relatedness, were the best predictors of aggressive altruistic intentions. (shrink)

According to kin selection theory, indirect reproductive advantages may induce individuals to care for others with whom they share genes by common descent, and the amount of care, including self-sacrifice, will increase with the proportion of genes shared. Twins represent a natural situation in which this hypothesis can be tested. Twin pairs experience the same early environment because they were born and raised at the same time and in the same family but their genetic relatedness differs depending on zygosity. We (...) compared the degree of willingness to fight and sacrifice for the co-twin among monozygotic and dizygotic pairs in a sample of 1443 same-sex and opposite-sex twins. We also analyzed the effect of the subject’s gender and that of the co-twin on those altruistic behaviors. Results partly supported the postulated explanation. MZ twins were significantly more likely than DZ twins to self-sacrifice for their co-twins, but zygosity did not affect willingness to fight for him/her. The genders of the subject and of the co-twin, not genetic relatedness, were the best predictors of aggressive altruistic intentions. (shrink)

While the term ‘nihilism’ has become increasingly widespread throughout the past two centuries, not only in academic discourses but in popular culture more widely, there is a surprising lack of con...

Mente y mundo es un ensayo filosófico en el que se da respuesta al viejo problema de cómo se vinculan el lenguaje y el pensamiento con el mundo, pero desde una perspectiva enteramente nueva: la que en la actualidad nos proporcionan la psicología cognitiva y la neurología.

El objetivo principal de este artículo es defender, de acuerdo con A. John Simmons, un punto de vista que, normativamente, propone el consentimiento como condición necesaria de legitimidad y fundamento de la obligación política. Pero, descriptivamente, entiende que tal consentimiento, en tanto que autorización personal y voluntaria, todavía no ha tenido lugar en ninguna sociedad, ni siquiera democrática.

En este artículo intento mostrar que la desigualdad económica, la militarización de los Estados así como el odio y la violencia son las causas de gran parte de los conflictos bélicos. Ante lo cual, apoyándome en una línea que se genera en Oriente pero que no es ajena al pensamiento occidental, propongo seguir investigando en torno al pacifismo gandhiano, así como acerca de valores que el budismo cultiva conscientemente, como es el valor de la compasión universal, y que poseen una (...) gran importancia para consolidar una cultura de la paz. (shrink)

En este trabajo se plantea, en primer lugar, la conveniencia de distinguir en el proceso de la contrastación empirica de hipótesis y teorías entre observación cientifíca y percepción y, en segundo lugar, se muestra como el munda procesado a través de la percepción se erige en base o soporte empírico del conocimiento científico. Una de las consecuencias del trabajo es que Ia tesis de “la carga teórica" de Ia observación ha sido mal planteada, al dar par sentado que esa carga (...) teórica afecta tambien al procesamiento perceptivo de los outputs proporeionados al científico por el instrumental de observación.This paper first suggests that, in analyses of the empirical testing of hypotheses and theories, scientific observation should be distinguished from perception; and goes on to say that the world, as processed by perception, is the basis or empirical foundation of scientific knowledge. This thesis that observation is “theory-laden” has been flawed by its being articulated as applying not only to scientific observation but also to the perceptional processing of the output provided to the scientists by observational instruments. (shrink)

Frente a la tesis de la "carga teórica", se muestra como en el proceso de contrastación de hipótesis y teorías es conveniente distinguir entre observación científica y percepción y, luego, se defiende que en los procesos de percepción no están implicados los conceptos teóricos de la ciencia sino conceptos de otro nivel, los que toman cuerpo en la codificación de la estimulación sensorial procedente de los ítems identificados perceptivamente. De donde se sigue que el mundo identificado a través de los (...) procesos de percepción es la base o soporte empírico del conocimiento científico. (shrink)

Putting forward an original analysis of perceiving as a cognitive attitude, as it contrasts with judging, believing and knowing, the author approaches several issues in the philosophy of perception, such as differences between presentation and representation, the natures of concepts and categorization, the justification of perceptual beliefs and their role in the justification of knowledge. His approach is influenced by phenomenology and by psychology and neuroscience of vision.

ResumenEn el marco intelectual del Renacimiento hubo una serie de pensadores que se mostraron disconformes con el aristotelismo dominante. La variedad de sus posturas así como lo distinto de sus posicionamientos filosóficos ha podido actuar como obstáculo para poder ver las similitudes que, en torno a la crítica aristotélica, presentan. El caso de Juan Luis Vives y de Gianfrancesco Pico puede resultar paradigmático, a estos se suma con fuerza Francisco Sánchez, quien dedicó una parte importante de su obra Quod (...) nihil scitur a criticar a Aristóteles, aunque más aún a sus comentaristas.Palabras claveFilosofía del Renacimiento, Francisco Sánchez, Juan Luis Vives, Gianfrancesco Pico, aristotelismo, historia de la filosofía.AbstractIn the intellectual frame of the Renaissance, there were some thinkers who did not agree with the Aristotelism prevailing at the time. The variety of their philosophical positions and opinions may have been an obstacle for an approach to their similarities regarding the Aristotelian critic. The case of Juan Luis Vives and Gianfrancesco Pico della Mirandola can be paradigmatic. Also Francisco Sánchez, who strongly joined their position, devoted an important part of his play Quod nihil scitur to criticize Aristotle –although he focused on his commentators above all.KeywordsPhilosophy in the Renaissance, Francisco Sanchez, Juan Luis Vives, Gianfrancesco Pico, Aristotelism, History of Philosophy. (shrink)

Estudiamos varios conceptos clave en la obra del franciscano Fray Juan de Pineda, especialmente el concepto de ‘gracia justificante’, que se opone teológicamente a las ideas luteranas pero que desarrolla un pensamiento erasmista, afín a Fray Luis de Granada, a Francisco de Osuna y a Bartolomé de Las Casas. Estudiamos también su concepto de ‘lavacro’, procedente de San Pablo y su relación con la interpretación del Padre Nuestro, lo que apunta de lleno a la polémica doctrinal entre Carranza y (...) Melchor Cano. Finalmente hacemos ver la identidad de planteamientos erasmistas con el Lazarillo de Tormes, cuya geografía (Salamanca, Escalona, Maqueda y Almorox) coincide con el área de predicación de Fray Juan de Pineda a partir de 1544. Dada la coincidencia léxica, biográfica, doctrinal y de estilo entre el Lazarillo y la obra de Fray Juan de Pineda, sostenemos que esta novela picaresca corresponde a la intención reformadora del pensamiento erasmista franciscano del siglo XVI. (shrink)

En el presente estudio se analizará la especie de presencia desempeñada por el ente no visible en “La mígala”, cuento de Juan José Arreola en el que la voz narrativa es afectada por los sucesos y no-sucesos. Tomando como base las propuestas de Jacques Derrida y Paul Ricoeur, se estudió la razón ausencia-presencia en los acontecimientos del lenguaje expuestos en el relato. De ello surge la resolución de la huella y el cogito, nociones descubiertas en este trabajo cuyo valor (...) reside en la deconstrucción del estar-no-estar de la mígala. (shrink)