The Colombian conflict seems a typical instantiation of a “greedy war”and exhibits very strong links between criminal economic activities and rebel organizations. On the contrary, the author suggests that not even in Colombia does the “criminal rebels” thesis hold. On the other hand, the Colombian case shows that criminality and war mix in ways that escape a strictly economic interpretation of war.

Con base en argumentos sociopolíticos, iusfilosóficos y jurídicos; el presente trabajo sostiene que es necesaria la aplicación de los principios y reglas básicas del Derecho Internacional Humanitario (DIH), en la violencia urbana, en la que se hace necesaria la aplicación de la fuerza por parte de la policía Estatal. La racionalidad sociopolítica se emplea para poner en cuestión la idea según la cual la violencia urbana está determinada por la ausencia de derechos; la aproximación iusfilosófica aborda la relación existente entre (...) legitimidad del Estado y uso de la fuerza; finalmente, los argumentos jurídicos se desarrollan en torno al DIH. (shrink)

En este trabajo se argumenta que no es posible contar objetos reales. Aunque a primera vista esta tesis pueda resultar desconcertante, o un simple ejercicio de «arte conceptual», las razones que la apoyan son fundadas y muy naturales. Se examinan algunas consecuencias importantes de dicha tesis y se ponen en conexión con diversos planteamientos de H. Putnam, P. Unger y E. Sosa.

Aberrations introduced by the atmospheric turbulence in large telescopes are compensated using adaptive optics systems, where the use of deformable mirrors and multiple sensors relies on complex control systems. Recently, the development of larger scales of telescopes as the E-ELT or TMT has created a computational challenge due to the increasing complexity of the new adaptive optics systems. The Complex Atmospheric Reconstructor based on Machine Learning is an algorithm based on artificial neural networks, designed to compensate the atmospheric turbulence. During (...) recent years, the use of GPUs has been proved to be a great solution to speed up the learning process of neural networks, and different frameworks have been created to ease their development. The implementation of CARMEN in different Multi-GPU frameworks is presented in this paper, along with its development in a language originally developed for GPU, like CUDA. This implementation offers the best response for all the presented cases, although its advantage of using more than one GPU occurs only in large networks. (shrink)

Hoy nos movemos en un mundo altamente cambiante y atestado de desarrollo científico, técnico y tecnológico. Un mundo condicionado por los intereses de una globalización económica, donde el imperativo es consumir, y donde aquellos que producen de manera individual y distinta son absorbidos, en el mejor de los casos, o anulados por el sistema capitalista. Ahora bien, ese estado de cosas ha puesto en riesgo de pérdida al sujeto racional heredado y caracterizado desde la modernidad y que es requerido hoy (...) día como sujeto de racionalidad tecnológica. El sujeto-persona-agente racional se encuentra en una encrucijada ante la sociedad de consumo y el sistema económico de producción. La encrucijada consiste en si sigue aceptando el ser considerado y utilizado como un objeto, cosa, instrumento, artefacto más dentro del sistema artefactual o recobrar la capacidad de racionalidad, heredada desde la Modernidad y refrendada como racionalidad tecnológica desde la Revolución Industrial. (shrink)

Hoy nos movemos en un mundo altamente cambiante y atestado de desarrollo científico, técnico y tecnológico. Un mundo condicionado por los intereses de una globalización económica, donde el imperativo es consumir, y donde aquellos que producen de manera individual y distinta son absorbidos, en el mejor de los casos, o anulados por el sistema capitalista. Ahora bien, ese estado de cosas ha puesto en riesgo de pérdida al sujeto racional heredado y caracterizado desde la modernidad y que es requerido hoy (...) día como sujeto de racionalidad tecnológica. El sujeto-persona-agente racional se encuentra en una encrucijada ante la sociedad de consumo y el sistema económico de producción. La encrucijada consiste en si sigue aceptando el ser considerado y utilizado como un objeto, cosa, instrumento, artefacto más dentro del sistema artefactual o recobrar la capacidad de racionalidad, heredada desde la Modernidad y refrendada como racionalidad tecnológica desde la Revolución Industrial. (shrink)

A current issue in psycholinguistic research is whether the language difficulties exhibited by children with developmental language disorder [DLD, previously labeled specific language impairment ] are due to deficits in their abilities to pick up patterns in the sensory environment, an ability known as statistical learning, and the extent to which explicit learning mechanisms can be used to compensate for those deficits. Studies designed to test the compensatory role of explicit learning mechanisms in children with DLD are, however, scarce, and (...) the few conducted so far have led to inconsistent results. This work aimed to provide new insights into the role that explicit learning mechanisms might play on implicit learning deficits in children with DLD by resorting to a new approach. This approach involved not only the collection of event-related potentials, while preschool children with DLD [relative to typical language developmental controls] were exposed to a continuous auditory stream made of the repetition of three-syllable nonsense words but, importantly, the collection of ERPs when the same children performed analogous versions of the same auditory SL task first under incidental and afterward under intentional conditions. In each of these tasks, the level of predictability of the three-syllable nonsense words embedded in the speech streams was also manipulated to mimic natural languages closely. At the end of both tasks’ exposure phase, children performed a two-alternative forced-choice task from which behavioral evidence of SL was obtained. Results from the 2-AFC tasks failed to show reliable signs of SL in both groups of children. The ERPs data showed, however, significant modulations in the N100 and N400 components, taken as neural signatures of word segmentation in the brain, even though a detailed analysis of the neural responses revealed that only children from the TLD group seem to have taken advantage of the previous knowledge to enhance SL functioning. These results suggest that children with DLD showed deficits both in implicit and explicit learning mechanisms, casting doubts on the efficiency of the interventions relying on explicit instructions to help children with DLD to overcome their language difficulties. (shrink)

From an early age, exposure to a spoken language has allowed us to implicitly capture the structure underlying the succession of speech sounds in that language and to segment it into meaningful units. Statistical learning, the ability to pick up patterns in the sensory environment without intention or reinforcement, is thus assumed to play a central role in the acquisition of the rule-governed aspects of language, including the discovery of word boundaries in the continuous acoustic stream. Although extensive evidence has (...) been gathered from artificial languages experiments showing that children and adults are able to track the regularities embedded in the auditory input, as the probability of one syllable to follow another syllable in the speech stream, the developmental trajectory of this ability remains controversial. In this work, we have collected Event-Related Potentials while 5-year-old children and young adults were exposed to a speech stream made of the repetition of eight three-syllable nonsense words presenting different levels of predictability to mimic closely what occurs in natural languages and to get new insights into the changes that the mechanisms underlying auditory statistical learning might undergo through the development. The participants performed the aSL task first under implicit and, subsequently, under explicit conditions to further analyze if children take advantage of previous knowledge of the to-be-learned regularities to enhance SL, as observed with the adult participants. These findings would also contribute to extend our knowledge of the mechanisms available to assist SL at each developmental stage. Although behavioral signs of learning, even under explicit conditions, were only observed for the adult participants, ERP data showed evidence of online segmentation in the brain in both groups, as indexed by modulations in the N100 and N400 components. A detailed analysis of the neural data suggests, however, that adults and children rely on different mechanisms to assist the extraction of word-like units from the continuous speech stream, hence supporting the view that SL with auditory linguistic materials changes through development. (shrink)

Metallothioneins (MTs) are ubiquitous proteins with the capacity to bind heavy metal ions (mainly Cd, Zn or Cu), and they have been found in animals, plants, eukaryotic and prokaryotic micro‐organisms. We have carried out a comparative analysis of ciliate MTs (Tetrahymena species) to well‐known MTs from other organisms, discussing their exclusive features, such as the presence of aromatic amino acid residues and almost exclusive cysteine clusters (CCC) present in cadmium‐binding metallothioneins (CdMTs), higher heavy metal‐MT stoichiometry values, and a strictly conserved (...) modular–submodular structure. Based on this last feature and an extensive gene duplication, we propose a possible model for the evolutionary history of T. thermophila MTs. We also suggest possible functions for these MTs from consideration of their differential gene expressions and discuss the potential use of these proteins and/or their gene promoters for designing molecular or whole‐cell biosensors for a fast detection of heavy metals in diverse polluted ecosystems. (shrink)

Siguiendo parcialmente el pensamiento de Hugo Assmann, quien plantea las preguntas basales de cómo educar y cómo aprender, se postula que se aprende durante toda la vida y mediante todas las formas de vida, coincidiendo ello con la facultad de los seres vivos de la autoorganización. Aprender resulta así un proceso donde coinciden los procesos vitales con los procesos de conocimiento. Surge de ello una biopedagogía que, asentada en el placer de aprender, está en condiciones de reencantar la educación. Para (...) ilustrar las implicancias pedagógicas de este enfoque, se presentan los testimonios de cuatro vivencias de aprendizaje. (shrink)

The effort to build a political economy of war without politics is finding its limits. The question now is what comes next. How to put politics back in? This article compares systematically two non-state armed groups that participate in the Colombian conflict, the main guerrilla and the paramilitary. It shows that despite their similar financial bases, they appear to exhibit systematic differences— regarding both their social composition and their internal/external behavior—and claims that the key to understanding them is the set (...) of organizational devices that each group crafts in its process of survival and growth. All this suggests that a main tenet of the early political economy of war, that all non-state armed groups can be understood as being strategically identical, is flawed. It also poses a classificatory challenge. (shrink)

Is the societal-level of analysis sufficient today to understand the values of those in the global workforce? Or are individual-level analyses more appropriate for assessing the influence of values on ethical behaviors across country workforces? Using multi-level analyses for a 48-society sample, we test the utility of both the societal-level and individual-level dimensions of collectivism and individualism values for predicting ethical behaviors of business professionals. Our values-based behavioral analysis indicates that values at the individual-level make a more significant contribution to (...) explaining variance in ethical behaviors than do values at the societal-level. Implicitly, our findings question the soundness of using societal-level values measures. Implications for international business research are discussed. (shrink)

Se analizan los resultados de una reciente encuesta levantada principalmente en la zona metropolitana de Guadalajara, México, y se destaca que, aunque la mayoría de los informantes realizaron modificaciones materiales a su entorno doméstico para adecuarlo a las nuevas condiciones exigibles, se necesita flexibilidad en los espacios arquitectónicos donde se desarrollan actividades cotidianas, por lo que es necesario que profesionales del hábitat, investigadores académicos, funcionarios gubernamentales y líderes sociales propongan formas de resiliencia ante esta nueva normalidad.

This article provides current Schwartz Values Survey (SVS) data from samples of business managers and professionals across 50 societies that are culturally and socioeconomically diverse. We report the society scores for SVS values dimensions for both individual- and societal-level analyses. At the individual-level, we report on the ten circumplex values sub-dimensions and two sets of values dimensions (collectivism and individualism; openness to change, conservation, self-enhancement, and self-transcendence). At the societal-level, we report on the values dimensions of embeddedness, hierarchy, mastery, affective (...) autonomy, intellectual autonomy, egalitarianism, and harmony. For each society, we report the Cronbach’s α statistics for each values dimension scale to assess their internal consistency (reliability) as well as report interrater agreement (IRA) analyses to assess the acceptability of using aggregated individual level values scores to represent country values. We also examined whether societal development level is related to systematic variation in the measurement and importance of values. Thus, the contributions of our evaluation of the SVS values dimensions are two-fold. First, we identify the SVS dimensions that have cross-culturally internally reliable structures and within-society agreement for business professionals. Second, we report the society cultural values scores developed from the twenty-first century data that can be used as macro-level predictors in multilevel and single-level international business research. (shrink)

Fibromyalgia is a chronic pain syndrome characterized by dysfunctional processing of nociceptive stimulation. Neuroimaging studies have pointed out that pain-related network functioning seems to be altered in these patients. It is thought that this clinical symptomatology may be maintained or even strengthened because of an enhanced expectancy for painful stimuli or its forthcoming appearance. However, neural electrophysiological correlates associated with such attentional mechanisms have been scarcely explored. In the current study, expectancy processes of upcoming laser stimulation (painful and non-painful) and (...) its further processing were explored by event-related potentials (ERPs). Nineteen fibromyalgia patients and twenty healthy control volunteers took part in the experiment. Behavioral measures (reaction times and subjective pain perception) were also collected. We manipulated the pain/no pain expectancy through an S1–S2 paradigm (cue-target). S1 (image: triangle or square) predicted the S2 appearance (laser stimulation: warmth or pinprick sensation). Laser stimuli were delivered using a CO2 laser device. Temporal and spatial principal component analyses were employed to define and quantify the ERP component reliability. Statistical analyses revealed the existence of an abnormal pattern of pain expectancy in patients with fibromyalgia. Specifically, our results showed attenuated amplitudes at posterior lCNV component in anticipation of painful stimulation that was not found in healthy participants. In contrast, although larger P2 amplitudes to painful compared to innocuous events were shown, patients did not show any amplitude change in this laser-evoked response as a function of pain predictive cues (as occurred in the healthy control group). Additionally, analyses of the subjective perception of pain and reaction time indicated that laser stimuli preceded by pain cues were rated as more painful than those signaling non-pain expectancy and were associated with faster responses. Differences between groups were not found. The present findings suggest the presence of dysfunction in pain expectation mechanisms in fibromyalgia that eventually may make it difficult for patients to correctly interpret signs that prevent pain symptoms. Furthermore, the abnormal pattern in pain expectancy displayed by fibromyalgia patients could result in ineffective pain coping strategies. Understanding the neural correlates of pain processing and its modulatory factors is crucial to identify treatments for chronic pain syndromes. (shrink)

La explotación egoísta de la tierra es un pecado, pues «un crimen contra la naturaleza es un crimen contra nosotros mismos y un pecado contra Dios»1 Por lo tanto, el Papa Francisco invita a abrazar la conversión ecológica y a implorar «la misericordia de Dios por los pecados cometidos contra la creación, que hasta ahora no hemos sabido reconocer ni confesar»2. Teniendo en cuenta las enseñanzas papales, este artículo subraya la necesidad de hacer más evidente la dimensión ecológica en (...) el sacramento de la Penitencia. (shrink)

This article examines the Kantian ideas on motion in his work Metaphysical Foundations of Natural Science. In that essay, Kant holds that motion as a concept—from its connotation as elemental and fundamental predicament of the material reality—mobilises in matter all the characteristics of its essence as a property. Nevertheless conceiving motion as a concept does not enable us to confirm the existence of motion itself in the natural world because ‘the possibility of specific natural things can’t be discovered from their (...) mere concepts.’. Therefore, the concept of movement does not evidence the existence of the movement or its characteristics and properties. Such claim would imply that motion as a concept is not evidence of the existence of motion as such and, therefore, the properties of matter cannot be mobilised based on that concept because they are characteristics of the essence of motion. Then, how does Kant intend to denote motion? Why pretend to explain matter form the concept of motion if a pure concept is, by definition, independent of the data obtained from the sensibility?. Therefore, we will demonstrate that such weakness is the breaking point of the Kantian concept of motion in his “dynamic-metaphysical” model. (shrink)

Reseña de Gutiérrez, D. Sócrates y la práctica de la espiritualidad.

O artigo se confronta com a problemática da relação entre teologia e ciências sociais. Sua pretensão é formular adequadamente os termos dessa relação, explicitando a importância, a função e o lugar das ciências sociais na elaboração do discurso teológico e no produto teológico. Começa apresentando o debate sobre a relação entre teologia e ciências sociais na América Latina nas últimas décadas através de seus principais interlocutores: Gustavo Gutiérrez e Clodovis Boff; Juan Luis Segundo e Ignácio Ellacuría. E conclui, esboçando, (...) de modo sistemático, ainda que em forma de tese, a estrutura teórica fundamental dessa relação. Ela tem a ver com o conhecimento da realidade na qual se vive a fé e que deve ser pensada teologicamente; com a dimensão social do reinado de Deus, assunto da teologia cristã; com o caráter social da teologia, enquanto teoria; e com a suspeita ideológica e o processe de des-ideologização e libertação da teologia. Palavras-chave: Social. Teologia. Ciências sociais. Mediação.This article presents the issue of the relationship between theology and the social sciences. For this purpose, the author seeks to formulate the terms of the relationship of these two areas of Knowledge, highlighting the importance, the role and the place of the social sciences in the development of the theological discourse and of the theological product. At the beginning of the text the author presents a discussion on the relationship between theology and the social sciences in Latin America in recent decades through its main representatives: Gustavo Gutierrez and Clodovis Boff, Juan Luis Segundo and Ignacio Ellacuria. The paper also presents a systematic outline of the fundamental theoretical framework of the relationship between theology and the social sciences, showing that this relationship binds to the knowledge of the reality in which faith is placed. In conclusion, the texts highlights that faith must be considered theologically on three levels: with the social dimension of the Kingdom of God, which is an issue of Christian Theology; with the social character of theology as a theory; with the ideological suspicion and with the process of liberation of theology. Key-words : Social. Theology. Social Sciences. Mediation. (shrink)

Review of Gutiérrez, D. _Sócrates y la práctica de la espiritualidad _.

El presente trabajo es un intento por mostrar que la distinción filosófica entre “ser racional” y “uso de razón” subyace a la posición de Francisco de Vitoria y ofrece el fundamento de legitimidad de su desarrollo político-jurídico. El examen filológico de los textos de las Relectiones y el análisis filosóficoconceptual contextualizado han permitido reconstruir argumentos antropológico-filosóficos, epistemológicos y éticos y explicitar, así, un concepto universal de ser humano que, a su vez, se ha revelado como fundamento de un concepto (...) universal de derecho que concierne a todo ser humano, gracias al cual la propuesta vitoriana alcanzaría aceptación y repercusión global. (shrink)

Edición a cargo de José Luis Tasset & Francisco Vázquez García. Introducción de José Luis Tasset. Epílogo de Francisco Vázquez García.