Results for 'Alfredo Pereira J��nior'

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  1.  41
    Understanding Consciousness: A Collaborative Attempt to Elucidate Contemporary Theories.Alfredo Pereira Jr, J. Edwards, C. Nunn, A. Trehub & M. Velmans - 2010 - Journal of Consciousness Studies 17 (5-6):5-6.
    Nature Network Groups hosted an invited workshop on 'Theories of Consciousness' during the second semester of 2009. There were presentations by each of 15 authors active in the field, followed by debate with other presenters and invitees. A week was allocated to each of the theories proposed; general discussion threads were also opened from time to time, as seemed appropriate. We offer here an account of the principal outcomes. It can be regarded as a contemporary, 'state of the art' snapshot (...)
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  2. Schizophrenia and Common Sense, Hipólito, I., Gonçalves, J., Pereira, J. (Eds.). SpringerNature, Mind-Brain Studies.I. Hipolito, Jorge Goncalves & J. Pereira - 2018 - Springer.
    Schizophrenia is usually described as a fragmentation of subjective experience and the impossibility to engage in meaningful cultural and intersubjective practices. Although the term schizophrenia is less than 100 years old, madness is generally believed to have accompanied mankind through its historical and cultural ontogeny. What does it mean to be “mad”? The failure to adopt social practices or to internalize cultural values of common sense? Despite the vast amount of literature and research, it seems that the study of schizophrenia (...)
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  3.  10
    Hume: causal theory of freedom and indeterminism.Alfredo Pereira Júnior - 1993 - Trans/Form/Ação 16:29-41.
    Although Hume seems to suppose that natural processes occur in a deterministic way, his conception of causality prohibits us from knowing them as deterministic. The reason is that for him the idea of a necessary connection between events is purely psychological. In our analysis of this question, we argue that: a) in his main references about causality, Hume does not assume a strong ontological commitment with determinism; b) certain parts of his texts suggest that indeterminism is non eliminable, in the (...)
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  4.  11
    The biological nature of the mental information-processing.Alfredo Pereira Júnior - 1991 - Trans/Form/Ação 14:139-153.
    The nature of mental information-processing is studied in the context of the neo-mechanicist program for Biology, from the general form of information-processing in living systems, allosteric interactions, to information-processing in human brain. An instantiation of the self-organizing systems model is suggested, which leads to the hypothesis of the "supercode". This is a mental program, molecularly codified, responsable for, inter alia, linguistic competence. A comparison is done between this hypothesis and Jerry Fodor's "language of thought".Raciocinando no contexto do programa neomecanicista para (...)
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  5.  38
    Coexisting Spatio-Temporal Scales In Neuroscience.Alfredo Pereira Júnior - 2001 - Minds and Machines 11 (4):457-465.
    In this study I propose an epistemological discussion of multiple spatio-temporal scales in neuroscience. Are such scales merely convenient levels of description of structure and function, or do they correspond to irreducible levels of brain organization? What criteria should we employ in order to reduce one level to another, or to identify levels that are not reducible to others? Should we think of these criteria as based on empirical and/or theoretical reasons? Beginning with an empirical criterion – the necessity of (...)
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  6.  52
    The Nonlinear Essence of Gravitational Waves.R. Aldrovandi, J. G. Pereira & K. H. Vu - 2007 - Foundations of Physics 37 (10):1503-1517.
    A critical review of gravitational wave theory is made. It is pointed out that the usual linear approach to the gravitational wave theory is neither conceptually consistent nor mathematically justified. Relying upon that analysis it is argued that—analogously to a Yang-Mills propagating field, which must be nonlinear to carry its gauge charge—a gravitational wave must necessarily be nonlinear to transport its own charge—that is, energy-momentum.
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  7. Consciousness and Cosmos: Building an Ontological Framework.Alfredo Pereira Jr, Chris Nunn, Greg Nixon & Massimo Pregnolato - 2018 - Journal of Consciousness Studies 25 (3-4):181-205.
    Contemporary theories of consciousness are based on widely different concepts of its nature, most or all of which probably embody aspects of the truth about it. Starting with a concept of consciousness indicated by the phrase “the feeling of what happens” (the title of a book by Antonio Damásio), we attempt to build a framework capable of supporting and resolving divergent views. We picture consciousness in terms of Reality experiencing itself from the perspective of cognitive agents. Each conscious experience is (...)
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  8.  73
    The Ethic of Care for the Self as a Practice of Freedom.Raúl Fornet-Betancourt, Helmut Becker, Alfredo Gomez-Müller & J. D. Gauthier - 1987 - Philosophy and Social Criticism 12 (2-3):112-131.
  9. Projecting the Trees but Ignoring the Forest: A Brief Critique of Alfredo Pereira Jr.'s Target Essay.Gregory Michael Nixon - 2018 - Trans/Form/Ação 41 (s1):269-292.
    Pereira’s “The Projective Theory of Consciousness” is an experimental statement, drawing on many diverse sources, exploring how consciousness might be produced by a projective mechanism that results both in private selves and an experienced world. Unfortunately, pulling together so many unrelated sources and methods means none gets full attention. Furthermore, it seems to me that the uncomfortable breadth of this paper unnecessarily complicates his project; in fact it may hide what it seeks to reveal. If this conglomeration of diverse (...)
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  10.  9
    Recent Advances in Brain Physiology and Cognitive Processing.Alfredo Pereira Jr, Maria AliceOrnellas Pereira & FábioAugusto Furlan - 2011 - Mens Sana Monographs 9 (1):183.
    The discovery of participation of astrocytes as active elements in glutamatergic tripartite synapses (composed by functional units of two neurons and one astrocyte) has led to the construction of models of cognitive functioning in the human brain, focusing on associative learning, sensory integration, conscious processing and memory formation/retrieval. We have modelled human cognitive functions by means of an ensemble of functional units (tripartite synapses) connected by gap junctions that link distributed astrocytes, allowing the formation of intra- and intercellular calcium waves (...)
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  11.  5
    Recent Advances in Brain Physiology and Cognitive Processing.Alfredo Pereira Jr, Maria Ornellas Pereira & Fábio Furlan - 2011 - Mens Sana Monographs 9 (1):183-192.
    The discovery of participation of astrocytes as active elements in glutamatergic tripartite synapses has led to the construction of models of cognitive functioning in the human brain, focusing on associative learning, sensory integration, conscious processing and memory formation/retrieval. We have modelled human cognitive functions by means of an ensemble of functional units connected by gap junctions that link distributed astrocytes, allowing the formation of intra- and intercellular calcium waves that putatively mediate large-scale cognitive information processing. The model contains a diagram (...)
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  12. Studies in Brain and Mind, Volume 12.Inês Hipólito, J. Gonçalves & J. G. Pereira (eds.) - 2018 - Springer.
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  13. Schizophrenia, Social Practices and Cultural Values: A Conceptual Introduction.Inês Hipólito, J. Pereira & J. Gonçalves - 2018 - In Inês Hipólito, Jorge Gonçalves & João G. Pereira (eds.), Studies in Brain and Mind. Springer Verlag. pp. 1-15.
    Schizophrenia is usually described as a fragmentation of subjective experience and the impossibility to engage in meaningful cultural and intersubjective practices. Although the term schizophrenia is less than 100 years old, madness is generally believed to have accompanied mankind through its historical and cultural ontogeny. What does it mean to be “mad”? The failure to adopt social practices or to internalize cultural values of common sense? Despite the vast amount of literature and research, it seems that the study of schizophrenia (...)
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  14.  28
    A percerpção do tempo em Husserl.Alfredo Pereira Júnior - 1990 - Trans/Form/Ação 13:73-83.
    A brief reconstruction of the first two sections of Edmund Husserl's Vorlensungen zur Phänomenologie des inneren Zeitbewusstseins is done, showing how, making use of the phenomenological method, the author develops his transcendental theory of time. A revaluation of the meaning of "perception of time" allows him to establish the basis which are, in our perspective, able to give an account of one of the most debatable questions about time, its asymmetry or unidirectionality. We furthermore discuss the main difficulties that affect (...)
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  15.  3
    Uma discussão filosófica dos métodos de avaliação do nível de consciência.Marcelo Alexandre Albino Filho & Alfredo Pereira Junior - 2020 - Sofia 8 (2):3-10.
    RESUMO: nas últimas décadas, a temática da consciência tem atraído atenção de pesquisadores em filosofia da mente, e em diversas disciplinas científicas e tecnológicas. O objetivo desta pesquisa foi realizar uma revisão das principais escalas e métodos de avaliação do nível de consciência utilizados na área da saúde, no âmbito internacional, tendo em vista responder a indagações que emergem no contexto da prática dos profissionais de saúde. O procedimento metodológico consistiu em adotar o Monismo de Duplo Aspecto e o Monismo (...)
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  16.  14
    The Projective Theory of Consciousness: From Neuroscience to Philosophical Psychology.Alfredo Pereira Jr - 2018 - Trans/Form/Ação 41 (s1):199-232.
    : The development of the interdisciplinary areas of cognitive, affective and action neurosciences contributes to the identification of neurobiological bases of conscious experience. The structure of consciousness was philosophically conceived a century ago as consisting of a subjective pole, the bearer of experiences, and an objective pole composed of experienced contents. In more recent formulations, Nagel refers to a “point of view”, in which qualitative experiences are anchored, while Velmans understands that phenomenal content is composed of mental representations “projected” to (...)
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  17. Las exigencias del pensamiento moderno según M.Blondel.J. Javier Fernández Pereira - 2004 - Cuadernos Salmantinos de Filosofía 31:87-106.
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  18.  46
    De Sitter Relativity: A New Road to Quantum Gravity? [REVIEW]R. Aldrovandi & J. G. Pereira - 2009 - Foundations of Physics 39 (1):1-19.
    The Poincaré group generalizes the Galilei group for high-velocity kinematics. The de Sitter group is assumed to go one step further, generalizing Poincaré as the group governing high-energy kinematics. In other words, ordinary special relativity is here replaced by de Sitter relativity. In this theory, the cosmological constant Λ is no longer a free parameter, and can be determined in terms of other quantities. When applied to the whole universe, it is able to predict the value of Λ and to (...)
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  19.  25
    What is Consciousness?: Towards a Preliminary Definition.Alfredo Pereira Jr & H. Ricke - 2009 - Journal of Consciousness Studies 16 (5):28-45.
    There is little or no general agreement about what researchers should focus on when studying consciousness. The most active scientific studies often use the methods of Cognitive Neuroscience and focus mainly on vision. Other aspects and contents of consciousness, namely thoughts and emotions, are much less studied, possibly leading to a biased view of what consciousness is and how it works. In this essay we describe what we call a referential nucleus, implicit in much of consciousness research. In this context, (...)
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  20.  19
    Neuromodulation, Emotional Feelings and Affective Disorders.Alfredo Pereira & Fushun Wang - 2016 - Mens Sana Monographs 14 (1):5.
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  21. Comentário sobre “O Conceito de Sentimento no Monismo de Triplo Aspecto” de Alfredo Pereira Jr.”.Claudia Passos-Ferreira - 2015 - Kinesis 7 (14):44-49.
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  22.  54
    What Affective Neuroscience Means for Science of Consciousness.Leonardo Ferreira Almada, Alfredo Pereira Jr & Claudia Carrara-Augustenborg - 2013 - Mens Sana Monographs 11 (1):253.
    The field of affective neuroscience has emerged from the efforts of Jaak Panksepp in the 1990s and reinforced by the work of, among others, Joseph LeDoux in the 2000s. It is based on the ideas that affective processes are supported by brain structures that appeared earlier in the phylogenetic scale (as the periaqueductal gray area), they run in parallel with cognitive processes, and can influence behaviour independently of cognitive judgements. This kind of approach contrasts with the hegemonic concept of conscious (...)
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  23. The Quantum Mind/Classical Brain Problem.Alfredo Pereira - 2003 - Neuroquantology.
  24. Lalumera, E. 2017 Understanding Schizophrenia Through Wittgenstein: Empathy, Explanation, and Philosophical Clarification, in Schizophrenia and Common Sense, Hipólito, I., Gonçalves, J., Pereira, J. (Eds.). SpringerNature, Mind-Brain Studies.E. Lalumera - forthcoming - In I. Hipolito, J. Goncalves & J. Pereira (eds.), Schizophrenia and Common Sense, Hipólito, I., Gonçalves, J., Pereira, J. (eds.). SpringerNature, Mind-Brain Studies. Dordrecht: Springer.
    Wittgenstein’s concepts shed light on the phenomenon of schizophrenia in at least three different ways: with a view to empathy, scientific explanation, or philosophical clarification. I consider two different “positive” wittgensteinian accounts―Campbell’s idea that delusions involve a mechanism of which different framework propositions are parts, Sass’ proposal that the schizophrenic patient can be described as a solipsist, and a Rhodes’ and Gipp’s account, where epistemic aspects of schizophrenia are explained as failures in the ordinary background of certainties. I argue that (...)
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  25.  7
    Bayesian Epistemic Values: Focus on Surprise, Measure Probability!J. M. Stern & C. A. De Braganca Pereira - 2014 - Logic Journal of the IGPL 22 (2):236-254.
  26. Coexisting Spatio-Temporalsscales in Neuroscience.Alfredo Pereira - 2001 - Minds and Machines 11 (4).
    In this study I propose an epistemological discussion of multiple spatio-temporal scales in neuroscience. Are such scales merely convenient levels of description of structure and function, or do they correspond to irreducible levels of brain organization? What criteria should we employ in order to reduce one level to another, or to identify levels that are not reducible to others? Should we think of these criteria as based on empirical and/or theoretical reasons? Beginning with an empirical criterion – the necessity of (...)
     
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  27. Climate Change and Land: An IPCC Special Report on Climate Change, Desertification, Land Degradation, Sustainable Land Management, Food Security, and Greenhouse Gas Fluxes in Terrestrial Ecosystems.P. R. Shukla, J. Skeg, E. Calvo Buendia, V. Masson-Delmotte, H.-O. Pörtner, D. C. Roberts, P. Zhai, R. Slade, S. Connors, S. van Diemen, M. Ferrat, E. Haughey, S. Luz, M. Pathak, J. Petzold, J. Portugal Pereira, P. Vyas, E. Huntley, K. Kissick, M. Belkacemi & J. Malley (eds.) - 2019
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  28.  30
    The Partisan Brain: An Identity-Based Model of Political Belief.Jay J. Van Bavel & Andrea Pereira - 2018 - Trends in Cognitive Sciences 22 (3):213-224.
  29.  32
    Conceptual Spaces and Consciousness: Integrating Cognitive and Affective Processes.Alfredo Pereira Júnior & Leonardo Ferreira Almada - 2011 - International Journal of Machine Consciousness 3 (01):127-143.
  30.  18
    Complex and Superlattice Stacking Faults in D019 Co3W.I. D. Nogueira, P. A. Carvalho, J. C. Pereira & R. Vilar - 2006 - Philosophical Magazine 86 (12):1763-1774.
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  31. Systematic Review of Psychological and Behavioral Correlates of Recreational Running.Hugo Vieira Pereira, António Labisa Palmeira, Jorge Encantado, Marta Moreira Marques, Inês Santos, Eliana Veiga Carraça & Pedro J. Teixeira - 2021 - Frontiers in Psychology 12.
    Introduction: The aim of this review was to systematically synthesize the published literature describing the psychological and behavioral correlates of recreational running in adults, defined as running for leisure, with or without a competitive component.Methods: Quantitative research published in peer-reviewed journals until January 2021 were included. Studies were identified through MEDLINE, PsycINFO, SPORTDiscus, and Web of Science and were included in this review if they were aimed at recreational running, included general adult samples, and assessed psychological or behavioral correlates of (...)
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  32.  65
    Toward an Explanation of the Genesis of Ketamine-Induced Perceptual Distortions and Hallucinatory States.Alfredo Pereira Jr - 2003 - Brain and Mind 4 (3):307-326.
    The NMDA receptor (NMDAR) channel has been proposed to function as a coincidence-detection mechanism for afferent and reentrant signals, supporting conscious perception, learning, and memory formation. In this paper we discuss the genesis of distorted perceptual states induced by subanesthetic doses of ketamine, a well-known NMDA antagonist. NMDAR blockage has been suggested to perturb perceptual processing in sensory cortex, and also to decrease GABAergic inhibition in limbic areas (leading to an increase in dopamine excitability). We propose that perceptual distortions and (...)
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  33.  51
    Kinematics of a Spacetime with an Infinite Cosmological Constant.R. Aldrovandi, A. L. Barbosa, M. Calçada & J. G. Pereira - 2003 - Foundations of Physics 33 (4):613-624.
    A solution of the sourceless Einstein's equation with an infinite value for the cosmological constant Λ is discussed by using Inönü–Wigner contractions of the de Sitter groups and spaces. When Λ→∞, spacetime becomes a four-dimensional cone, dual to Minkowski space by a spacetime inversion. This inversion relates the four-cone vertex to the infinity of Minkowski space, and the four-cone infinity to the Minkowski light-cone. The non-relativistic limit c→∞ is further considered, the kinematical group in this case being a modified Galilei (...)
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  34.  57
    The Equivalence Principle Revisited.R. Aldrovandi, P. B. Barros & J. G. Pereira - 2003 - Foundations of Physics 33 (4):545-575.
    A precise fomulation of the strong Equivalence Principle is essential to the understanding of the relationship between gravitation and quantum mechanics. The relevant aspects are reviewed in a context including General Relativity but allowing for the presence of torsion. For the sake of brevity, a concise statement is proposed for the Principle: An ideal observer immersed in a gravitational field can choose a reference frame in which gravitation goes unnoticed. This statement is given a clear mathematical meaning through an accurate (...)
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  35.  37
    Spin-2 Fields and Helicity.H. I. Arcos, C. S. O. Mayor, G. Otalora & J. G. Pereira - 2012 - Foundations of Physics 42 (10):1339-1349.
    By considering the irreducible representations of the Lorentz group, an analysis of the different spin-2 waves is presented. In particular, the question of the helicity is discussed. It is concluded that, although from the point of view of representation theory there are no compelling reasons to choose between spin-2 waves with helicity σ=±1 or σ=±2, consistency arguments of the ensuing field theories favor waves with helicity σ=±1.
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  36.  28
    The Jesuits and the Sino-Russian Treaty of Nerchinsk : The Diary of Thomas Pereira, S. J.B. Szczesniak, Thomas Pereira & Joseph Sebes - 1963 - Journal of the American Oriental Society 83 (1):162.
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  37.  10
    Recent Advances in Brain Physiology and Cognitive Processing.Pereira Alfredo Jr, M. A. Pereira & Fábio Augusto Furlan - 2011 - Mens Sana Monographs 9 (1):183-192.
  38.  19
    Old Age and Forgoing Treatment: A Nationwide Mortality Follow-Back Study in the Netherlands.Sandra Martins Pereira, H. Roeline Pasman, Agnes van der Heide, Johannes J. M. van Delden & Bregje D. Onwuteaka-Philipsen - 2015 - Journal of Medical Ethics 41 (9):766-770.
  39. Origin of Life: A Consequence of Cosmic Energy, Redox Homeostasis and Quantum Phenomenon.Contzen Pereira & J. Shashi Kiran Reddy - unknown
    Origin of life on earth transpired once and from then on, it emerges as an endless eternal process. Matter and energy are constants of the cosmos and the hypothesis is that the origin of life is a moment when these constants intertwined or interacted. Energy from the cosmos interacted with inorganic matter to support matter with retention of this riveted energy, as energy to be circulated within the primitive channelized structures to conserve energy by the materialization of the proton homeostasis (...)
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  40.  24
    The Manifestation of Consciousness: Beyond & Within From Fundamental to Ubiquity.Contzen Pereira & J. Shashi Kiran Reddy - unknown
    Consciousness being the very source of subjective experience is needed for our life experiences, for the working of our body, to perceive, to cognize, and to express. Agreeing to a fundamental approach for consciousness is more about embracing the true understanding of consciousness rather than avoiding it. Consciousness can, therefore, be located anywhere and everywhere, but in a form that we do not understand until it takes shape within the limits of our reality. Monism related approaches to consciousness are an (...)
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  41.  15
    Brain and Behavioral Functions Supporting the Intentionality of Mental States.João de F. Teixeira & Alfredo Pereira Jr - 2008 - Abstracta 4 (2):123-147.
    This paper relates intentionality, a central feature of human consciousness, with brain functions controlling adaptive action. Mental intentionality, understood as the “aboutness” of mental states, includes two modalities: semantic intentionality, the attribution of meaning to mental states, and projective intentionality, the projection of conscious content into the world. We claim that both modalities are the evolutionary product of self-organized action, and discuss examples of animal behavior that illustrate some stages of this evolution. The adaptive advantages of self-organized action impacted on (...)
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  42.  35
    On Science & the Perception of Reality.Contzen Pereira & J. Shashi Kiran Reddy - unknown
    The present mainstream science tackles the problem of Consciousness by embracing the objective or third person perspective; hence, it fails in understanding many fundamental aspects of life. Further, knowledge gained from science is not absolute in the sense that it is based on a human-centric view. This brings us to the question of how to access absolute reality? In this article, we consider the subjective aspect associated with the objective phenomena and explore a possible new science of subjective experience.
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  43.  8
    Symbolic Expressions of the Human Cognitive Architecture.Enidio Ilario, Alfredo Pereira Jr & Valdir Gonzalez Paixão Jr - 2016 - Dialogue and Universalism 26 (1):107-120.
    We briefly review and discuss symbolic expressions of the cognitive architecture of the human mind/brain, focusing on the Quaternion, the Axis Mundi and the Tree of Life, and elaborate on a quaternary diagram that expresses a contemporary worldview. While traditional symbols contain vertical and horizontal dimensions related to transcendence and immanence, respectively, in the contemporary interpretation the vertical axis refers to diachronic processes as biological evolution and cultural history, while the horizontal axis refers to synchronic relations as the interactions of (...)
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  44.  23
    An Essay on ‘Fracto-Resonant’ Nature of Life.Contzen Pereira & J. Shashi Kiran Reddy - unknown
    Fractals are built from patterns generated from immense complexity within the resonant frequencies that connect and tune the universe. Play of such frequencies would result in the exchange of energy and coupling of informational systems at various levels and scales. The present essay serves as a small ride into life’s association with such phenomenon. At a fundamental level communication happens via process called ‘resonance’, and this in turn manifests at a physical level as self-replicating and self-resonating patterns called ‘fractals.’ This (...)
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  45. Is Global Workspace a Cartesian Theater? How the Neuro-Astroglial Interaction Model Solves Conceptual Issues.Samuel Bellini-Leite & Alfredo Pereira - 2013 - Journal of Cognitive Science 14 (4):335-360.
    The Global Workspace Theory (GWT) proposed by Bernard Baars (1988) along with Daniel Dennett’s (1991) Multiple Drafts Model (MDM) of consciousness are renowned cognitive theories of consciousness bearing similarities and differences. Although Dennett displays sympathy for GWT, his own MDM does not seem to be fully compatible with it. This work discusses this compatibility, by asking if GWT suffers from Daniel Dennett’s criticism of what he calls a “Cartesian Theater”. We identified in Dennett 10 requirements for avoiding the Cartesian Theater. (...)
     
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  46. Theories of Consciousness & Death.Gregory Nixon (ed.) - 2016 - New York, USA: QuantumDream.
    What happens to the inner light of consciousness with the death of the individual body and brain? Reductive materialism assumes it simply fades to black. Others think of consciousness as indicating a continuation of self, a transformation, an awakening or even alternatives based on the quality of life experience. In this issue, speculation drawn from theoretic research are presented. -/- Table of Contents Epigraph: From “The Immortal”, Jorge Luis Borges iii Editor’s Introduction: I Killed a Squirrel the Other Day, Gregory (...)
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  47.  4
    Apresentação.Alfredo Pereira Jr - 2018 - Trans/Form/Ação 41 (s1):9-12.
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  48.  14
    A Naturalistic Approach to Human Consciousness.Alfredo Pereira Júnior - 2003 - Trans/Form/Ação 26 (2):109-141.
    This essay discusses some central philosophical problems concerning the naturalistic concept of consciousness, as well as evidence from neuropsychology and neurophysiology regarding the relation of brain activity and conscious experience. Initially I review the problem of defining "consciousness", the philosophical approach to the phenomenon and its relation to emotional processes. The next step is a proposal of three conditions for the attribution of consciousness to physical systems. In the following section, I identify different modalities of consciousness and their respective neural (...)
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  49.  12
    Estatuto Biológico Do Processamento de Informação Mental.Pereira Júnior Alfredo - 1991 - Trans/Form/Ação 14:139-153.
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  50.  18
    Indeterminismo e liberdade em Hume.Alfredo Pereira Júnior - 1993 - Trans/Form/Ação 16:29-41.
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