Nowadays, the quality standards of higher education institutions pay special attention to the performance and evaluation of the students. Then, having a complete academic record of each student, such as number of attempts, average grade and so on, plays a key role. In this context, the existence of missing data, which can happen for different reasons, leads to affect adversely interesting future analysis. Therefore, the use of imputation techniques is presented as a helpful tool to estimate the value of missing (...) data. This work deals with the academic records of engineering students, in which imputation techniques are applied. More specifically, it is assessed and compared to the performance of the multivariate imputation by chained equations methodology, the adaptive assignation algorithm based on multivariate adaptive regression splines and a hybridization based on self-organisation maps with Mahalanobis distances and AAA algorithm. The results show that proposed methods obtain successfully results regardless the number of missing values, in general terms. (shrink)

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)

Aristóteles es (junto con Platón) el pensador más importante de toda la filosofía. La división en disciplinas que hoy conocemos (Lógica, Metafísica, Física, Ética, Política, etc.) ha surgido de él.

The field of neuroaesthetics attempts to identify the brain processes underlying aesthetic experience, including but not limited to beauty. Previous neuroaesthetic studies have focussed largely on paintings and music, while performing arts such as dance have been less studied. Nevertheless, increasing knowledge of the neural mechanisms that represent the bodies and actions of others, and which contribute to empathy, make a neuroaesthetics of dance timely. Here, we present the first neuroscientific study of aesthetic perception in the context of the performing (...) arts. We investigated brain areas whose activity during passive viewing of dance stimuli was related to later, independent aesthetic evaluation of the same stimuli. Brain activity of six naïve male subjects was measured using fMRI, while they watched 24 dance movements, and performed an irrelevant task. In a later session, participants rated each movement along a set of established aesthetic dimensions. The ratings were used to identify brain regions that were more active when viewing moves that received high average ratings than moves that received low average ratings. This contrast revealed bilateral activity in the occipital cortices and in right premotor cortex. Our results suggest a possible role of visual and sensorimotor brain areas in an automatic aesthetic response to dance. This sensorimotor response may explain why dance is widely appreciated in so many human cultures. (shrink)

The book delves into mathematical mindsets, a current approach to understanding mathematical identities, as well as success and failure in mathematics.

Empathy is an integral aspect of human existence. Without at least a basic ability to access others’ affective life, social interactions would be well-nigh impossible. Yet, recent studies seem to show that the means we have acquired to access others’ emotional life no longer function well in what has become our everyday business – technologically mediated interactions in digital spaces. If this is correct, there are two important questions: (1) What makes empathy for frequent internet users so difficult? and (2) (...) What can we do to alleviate the negative consequences? Correspondingly, the aim of this paper is twofold. First, we identify structural differences between offline and technologically mediated interactions that can explain why digital empathy is harder to achieve. Second, drawing on the literature on ‘situated affectivity,’ we consider the idea of modifying digital spaces in ways specifically designed to ‘scaffold’ empathy where our evolved mechanisms fail. Section 2 argues that empathy is requires interpreting the behavior of embodied subjects. Section 3 identifies three factors that are crucial for this interpretative endeavor: the empathizer’s affective repertoire, their perceptual input, and their background knowledge. Section 4 argues that technologically mediated interactions differ from face-to-face interactions with regard to these factors in ways which render our evolved empathy mechanisms less effective in the digital world. Section 5 introduces the idea that situational factors can serve as ‘empathic scaffolds,’ i.e., as ‘tools’ that can ‘shape’ people’s empathic reactions. Section 6 wraps up the main line of reasoning, responds to objections and invites further scholarship. (shrink)

Based on a deliberative democracy, this book uses a hermeneutic-critical methodology to study bibliographical sources and practical issues in order to analyse the possibilities, limits and consequences of the digital transformation of democracy. Drawing on a two-way democracy, the aim of this book is intended as an aid for thinking through viable alternatives to the current state of democracy with regard to its ethical foundations and the moral knowledge implicit in or assumed by the way we perceive and understand democracy. (...) It is intended to stimulate reflection and discussion on the basis that, by addressing what we understand as democracy, we can inevitably influence the reality known as democracy. Democracy’s evident regression in today’s world makes this all too apparent: it has become a hostage to all kinds of autocracies and technopopulisms, which are supported to a greater or lesser extent by the current algorithmic revolution. (shrink)

Este trabajo plantea el papel de la providencia y de la religión en los principales temas de la Ciencia Nueva: el mito, las primeras comunidades, la dialéctica de nobles y plebeyos, la lógica poética, etc., esbozando el proceso de cómo los hombres pasan a ser de hombres sin Dios a hombres con leyes. This paper deals with the role of both Providence and religion within the range of the main themes in the “New Science”: myth, the first human communities, the (...) dialectics between nobles and plebeians, logic, politics, etc., sketching in turn the way in which human beings became men with laws from the stage of Godlessmen. (shrink)

The use of private security companies by national governments is met with widespread skepticism. Less understood is the role these companies can play in international humanitarian interventions in the service of international organizations. I argue here that despite valid concerns about the use of such private entities, we should nonetheless see them as legitimate participants in efforts to secure human rights protection around the globe. In order to assess their legitimacy, we need to ensure, among other things, that they can (...) adhere to ethical standards when serving in humanitarian missions, that they can be held accountable when they fail to uphold the standard of justice enshrined in international law, and that their for-profit status does not have implications detrimental to humanitarian concerns. (shrink)

El trabajo analiza las razones para la acción. A partir de la distinción entre los enfoques de decisión racional y altruismo recíproco, el artículo examina sucesivamente ambos modelos, concluyendo con una breve observación sobre el poder de las profecías que se auto-cumplen. El texto argumenta que el enfoque de la decisión racional se basa en suposiciones erróneas sobre la naturaleza humana y, por consiguiente, conduce a predicciones igualmente equivocadas.

Data are lacking with regard to participants' perspectives on return of genetic research results to relatives, including after the participant's death. This paper reports descriptive results from 3,630 survey respondents: 464 participants in a pancreatic cancer biobank, 1,439 family registry participants, and 1,727 healthy individuals. Our findings indicate that most participants would feel obligated to share their results with blood relatives while alive and would want results to be shared with relatives after their death.

The perception of sensory effects generated by one’s own actions is typically attenuated compared to the same effects generated externally. However, it is unclear whether this specifically relates to self-generation. Recent studies showed that sensory attenuation mainly relies on action preparation, not actual action execution. Hence, an attenuation of sensory effects generated by another person might occur if these actions can be anticipated and thus be prepared for.Here, we compared the perceived loudness of sounds generated by one’s own actions and (...) actions of another person that either could or could not be anticipated. We found an attenuation of the perceived loudness for self- as compared to other-generated sounds. This difference was independent of whether the sound-eliciting actions of the other person could be anticipated or not. Thus, sensory attenuation seems to be specifically tied to self-generation instead of being a secondary effect of agent-independent preparation for an upcoming action. (shrink)

According to F. Adams [this journal, vol. 68, 2018] cognition cannot be realized in plants or bacteria. In his view, plants and bacteria respond to the here-and-now in a hardwired, inflexible manner, and are therefore incapable of cognitive activity. This article takes issue with the pursuit of plant cognition from the perspective of an empirically informed philosophy of plant neurobiology. As we argue, empirical evidence shows, contra Adams, that plant behavior is in many ways analogous to animal behavior. This renders (...) plants suitable to be described as cognitive agents in a non-metaphorical way. Sections two to four review the arguments offered by Adams in light of scientific evidence on plant adaptive behavior, decision-making, anticipation, as well as learning and memory. Section five introduces the ‘phyto-nervous’ system of plants. To conclude, section six resituates the quest for plant cognition into a broader approach in cognitive science, as represented by enactive and ecological schools of thought. Overall, we aim to motivate the idea that plants may be considered genuine cognitive agents. Our hope is to help propel public awareness and discussion of plant intelligence once appropriately stripped of anthropocentric preconceptions of the sort that Adams' position appears to exemplify. (shrink)

Hunting ducks with a firearm has become increasingly contested in industrialized and urbanized contemporary societies. In southern New Zealand, an area that maintains strong connections to rural life ways, duck shooting is still a very popular activity. However, even duck shooters living in this region are increasingly finding that they must justify an activity their grandparents practiced without compunction. This paper considers ethical discourses associated with the killing of ducks, particularly the ways in which people who shoot ducks construct the (...) act of killing as an activity that can be ethically justified. As this paper will show, duck hunters assert that they have a more realistic and appropriate view of nature and animal life cycles than the average antihunter who might criticize them. New Zealand duck hunters also embed their hunting activities within a discourse of wetland conservation, arguing that they do far more to preserve and develop wetlands than do non-hunters. This paper concludes that duck hunters' understandings of nature are intrinsic to the ethical discourses that underpin duck hunting activities in New Zealand. (shrink)

This essay traces the genealogy and evolution of the category of the subject as it developed in the thought of Louis Althusser, Michel Foucault, and Alain Badiou. As will be seen, within the fruitful and complementary dialogue about the subject and subjectivity formation among these three French thinkers, there are major discrepancies in their approaches, from Althusser’s seemingly passive view of the subject as a victim of state oppression, to Foucault’s one, embedded in power but with the capacity of resistance, (...) and, finally, to Badiou’s understanding, in his book Théorie du sujet (Theory of the Subject, 1982), of the subject as the one who courageously takes risks to put into practice the truth brought about by the event in order to radically transform the present situation. (shrink)

The demonstrations of monks in Tibet and Myanmar in recent times as well as the age-old conflict between a predominantly Buddhist population and a Hindu minority in Sri Lanka raise the question of how the issues of human rights and Buddhism are related. The question applies both to the violation of basic rights in Buddhist countries and to the defence of those rights which are well-grounded in Buddhist teachings. The volume provides academic essays that reflect this up to now rather (...) neglected issue from the point of view of the three main Buddhist traditions, Theravada, Mahayana and Vajrayana. It provides multi-faceted and surprising insights into a rather unlikely relationship. (shrink)