28 found
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  1. Concepts and Their Dynamics: A Quantum‐Theoretic Modeling of Human Thought.Diederik Aerts, Liane Gabora & Sandro Sozzo - 2013 - Topics in Cognitive Science 5 (4):737-772.
    We analyze different aspects of our quantum modeling approach of human concepts and, more specifically, focus on the quantum effects of contextuality, interference, entanglement, and emergence, illustrating how each of them makes its appearance in specific situations of the dynamics of human concepts and their combinations. We point out the relation of our approach, which is based on an ontology of a concept as an entity in a state changing under influence of a context, with the main traditional concept theories, (...)
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  2.  29
    Spin and Wind Directions II: A Bell State Quantum Model.Diederik Aerts, Jonito Aerts Arguëlles, Lester Beltran, Suzette Geriente, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2018 - Foundations of Science 23 (2):337-365.
    In the first half of this two-part article, we analyzed a cognitive psychology experiment where participants were asked to select pairs of directions that they considered to be the best example of Two Different Wind Directions, and showed that the data violate the CHSH version of Bell’s inequality, with same magnitude as in typical Bell-test experiments in physics. In this second part, we complete our analysis by presenting a symmetrized version of the experiment, still violating the CHSH inequality but now (...)
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  3.  18
    Spin and Wind Directions I: Identifying Entanglement in Nature and Cognition.Diederik Aerts, Jonito Aerts Arguëlles, Lester Beltran, Suzette Geriente, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2018 - Foundations of Science 23 (2):323-335.
    We present a cognitive psychology experiment where participants were asked to select pairs of spatial directions that they considered to be the best example of Two different wind directions. Data are shown to violate the CHSH version of Bell’s inequality with the same magnitude as in typical Bell-test experiments with entangled spins. Wind directions thus appear to be conceptual entities connected through meaning, in human cognition, in a similar way as spins appear to be entangled in experiments conducted in physics (...)
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  4.  33
    On the Conceptuality Interpretation of Quantum and Relativity Theories.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2020 - Foundations of Science 25 (1):5-54.
    How can we explain the strange behavior of quantum and relativistic entities? Why do they behave in ways that defy our intuition about how physical entities should behave, considering our ordinary experience of the world around us? In this article, we address these questions by showing that the comportment of quantum and relativistic entities is not that strange after all, if we only consider what their nature might possibly be: not an objectual one, but a conceptual one. This not in (...)
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  5.  12
    On the Conceptuality Interpretation of Quantum and Relativity Theories.Tomas Veloz, Sandro Sozzo, Massimiliano Sassoli de Bianchi & Diederik Aerts - 2020 - Foundations of Science 25 (1):5-54.
    How can we explain the strange behavior of quantum and relativistic entities? Why do they behave in ways that defy our intuition about how physical entities should behave, considering our ordinary experience of the world around us? In this article, we address these questions by showing that the comportment of quantum and relativistic entities is not that strange after all, if we only consider what their nature might possibly be: not an objectual one, but a conceptual one. This not in (...)
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  6.  10
    Spin and Wind Directions II: A Bell State Quantum Model.Tomas Veloz, Sandro Sozzo, Massimiliano Sassoli de Bianchi, Suzette Geriente, Lester Beltran, Jonito Arguëlles & Diederik Aerts - 2018 - Foundations of Science 23 (2):337-365.
    In the first half of this two-part article, we analyzed a cognitive psychology experiment where participants were asked to select pairs of directions that they considered to be the best example of Two Different Wind Directions, and showed that the data violate the CHSH version of Bell’s inequality, with same magnitude as in typical Bell-test experiments in physics. In this second part, we complete our analysis by presenting a symmetrized version of the experiment, still violating the CHSH inequality but now (...)
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  7.  29
    Quantum Structure of Negation and Conjunction in Human Thought.Diederik Aerts, Sandro Sozzo & Tomas Veloz - 2015 - Frontiers in Psychology 6.
  8.  23
    Quantum Structure and Human Thought.Diederik Aerts, Jan Broekaert, Liane Gabora & Sandro Sozzo - 2013 - Behavioral and Brain Sciences 36 (3):274-276.
    We support the authors' claims, except that we point out that also quantum structure different from quantum probability abundantly plays a role in human cognition. We put forward several elements to illustrate our point, mentioning entanglement, contextuality, interference, and emergence as effects, and states, observables, complex numbers, and Fock space as specific mathematical structures.
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  9.  2
    Spin and Wind Directions I: Identifying Entanglement in Nature and Cognition.Tomas Veloz, Sandro Sozzo, Massimiliano Sassoli de Bianchi, Suzette Geriente, Lester Beltran, Jonito Arguëlles & Diederik Aerts - 2018 - Foundations of Science 23 (2):323-335.
    We present a cognitive psychology experiment where participants were asked to select pairs of spatial directions that they considered to be the best example of Two different wind directions. Data are shown to violate the CHSH version of Bell’s inequality with the same magnitude as in typical Bell-test experiments with entangled spins. Wind directions thus appear to be conceptual entities connected through meaning, in human cognition, in a similar way as spins appear to be entangled in experiments conducted in physics (...)
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  10.  96
    Generalized Observables, Bell’s Inequalities and Mixtures in the ESR Model for QM.Claudio Garola & Sandro Sozzo - 2011 - Foundations of Physics 41 (3):424-449.
    The extended semantic realism (ESR) model proposes a new theoretical perspective which embodies the mathematical formalism of standard (Hilbert space) quantum mechanics (QM) into a noncontextual framework, reinterpreting quantum probabilities as conditional instead of absolute. We provide in this review an overall view on the present status of our research on this topic. We attain in a new, shortened way a mathematical representation of the generalized observables introduced by the ESR model and a generalization of the projection postulate of elementary (...)
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  11.  46
    Recovering Quantum Logic Within an Extended Classical Framework.Claudio Garola & Sandro Sozzo - 2013 - Erkenntnis 78 (2):399-419.
    We present a procedure which allows us to recover classical and nonclassical logical structures as concrete logics associated with physical theories expressed by means of classical languages. This procedure consists in choosing, for a given theory ${{\mathcal{T}}}$ and classical language ${{\fancyscript{L}}}$ expressing ${{\mathcal{T}}, }$ an observative sublanguage L of ${{\fancyscript{L}}}$ with a notion of truth as correspondence, introducing in L a derived and theory-dependent notion of C-truth (true with certainty), defining a physical preorder $\prec$ induced by C-truth, and finally selecting (...)
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  12.  3
    Realistic Aspects in the Standard Interpretation of Quantum Mechanics.Claudia Garola & Sandro Sozzo - 2010 - Humana Mente 4 (13).
    The belief that quantum mechanics does not admit a realistic interpretation is widespread. According to some scholars concerned with the foundations of QM all existing interpretations of this theory presuppose instead a form of realism which consists in assuming that QM deals with individual objects and their properties. We uphold in the present paper that the arguments supporting the contextuality and the nonlocality of QM are a significant clue to the implicit adoption of stronger forms of realism. If these kinds (...)
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  13.  18
    The Pet-Fish Problem on the World-Wide Web.Diederik Aerts, Marek Czachor, Bart D’Hooghe & Sandro Sozzo - 2007 - Cognition 2008:2009.
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  14.  22
    A Semantic Approach to the Completeness Problem in Quantum Mechanics.Claudio Garola & Sandro Sozzo - 2004 - Foundations of Physics 34 (8):1249-1266.
    The old Bohr–Einstein debate about the completeness of quantum mechanics (QM) was held on an ontological ground. The completeness problem becomes more tractable, however, if it is preliminarily discussed from a semantic viewpoint. Indeed every physical theory adopts, explicitly or not, a truth theory for its observative language, in terms of which the notions of semantic objectivity and semantic completeness of the physical theory can be introduced and inquired. In particular, standard QM adopts a verificationist theory of truth that implies (...)
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  15.  6
    Correction To: Preface of the Special Issue: International Symposium “Worlds of Entanglement” - Second Part.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2018 - Foundations of Science 26 (1):5-5.
    A correction to this paper has been published: https://doi.org/10.1007/s10699-021-09793-2.
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  16.  15
    Editorial: Quantum Structures in Cognitive and Social Science.Diederik Aerts, Jan Broekaert, Liane Gabora & Sandro Sozzo - 2016 - Frontiers in Psychology 7.
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  17.  43
    Generalizing Prototype Theory: A Formal Quantum Framework.Diederik Aerts, Jan Broekaert, Liane Gabora & Sandro Sozzo - 2016 - Frontiers in Psychology 7.
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  18.  19
    Modeling Human Decision-Making: An Overview of the Brussels Quantum Approach.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2021 - Foundations of Science 26 (1):27-54.
    We present the fundamentals of the quantum theoretical approach we have developed in the last decade to model cognitive phenomena that resisted modeling by means of classical logical and probabilistic structures, like Boolean, Kolmogorovian and, more generally, set theoretical structures. We firstly sketch the operational-realistic foundations of conceptual entities, i.e. concepts, conceptual combinations, propositions, decision-making entities, etc. Then, we briefly illustrate the application of the quantum formalism in Hilbert space to represent combinations of natural concepts, discussing its success in modeling (...)
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  19.  6
    Preface of the Special Issue International Symposium “Worlds of Entanglement”.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2020 - Foundations of Science 25 (1):1-4.
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  20.  2
    Preface of the Special Issue International Symposium “Worlds of Entanglement”.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2020 - Foundations of Science 25 (1):1-4.
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    Preface of the Special Issue International Symposium “Worlds of Entanglement”.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2020 - Foundations of Science 25 (1):1-4.
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  22.  2
    Preface of the Special Issue: International Symposium “Worlds of Entanglement” - Second Part.Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo & Tomas Veloz - 2021 - Foundations of Science 26 (1):1-4.
    We present the fundamentals of the quantum theoretical approach we have developed in the last decade to model cognitive phenomena that resisted modeling by means of classical logical and probabilistic structures, like Boolean, Kolmogorovian and, more generally, set theoretical structures. We firstly sketch the operational-realistic foundations of conceptual entities, i.e. concepts, conceptual combinations, propositions, decision-making entities, etc. Then, we briefly illustrate the application of the quantum formalism in Hilbert space to represent combinations of natural concepts, discussing its success in modeling (...)
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  23.  6
    Quantum Theory Methods as a Possible Alternative for the Double-Blind Gold Standard of Evidence-Based Medicine: Outlining a New Research Program.Diederik Aerts, Lester Beltran, Suzette Geriente, Massimiliano Sassoli de Bianchi, Sandro Sozzo, Rembrandt Van Sprundel & Tomas Veloz - 2019 - Foundations of Science 24 (2):217-225.
    We motivate the possibility of using notions and methods derived from quantum physics, and more specifically from the research field known as ‘quantum cognition’, to optimally model different situations in the field of medicine, its decision-making processes and ensuing practices, particularly in relation to chronic and rare diseases. This also as a way to devise alternative approaches to the generally adopted double-blind gold standard.
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  24.  14
    Quantum Machine and Semantic Realism Approach: A Unified Model. [REVIEW]Claudio Garola, Jarosław Pykacz & Sandro Sozzo - 2006 - Foundations of Physics 36 (6):862-882.
    The Geneva–Brussels approach to quantum mechanics (QM) and the semantic realism (SR) nonstandard interpretation of QM exhibit some common features and some deep conceptual differences. We discuss in this paper two elementary models provided in the two approaches as intuitive supports to general reasonings and as a proof of consistency of general assumptions, and show that Aerts’ quantum machine can be embodied into a macroscopic version of the microscopic SR model, overcoming the seeming incompatibility between the two models. This result (...)
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  25.  6
    The Foundations of Quantum Mechanics, Historical Analysis and Open Questions - Cesena 2004: Cesena, Italy, 4-9 Ocober 2004. [REVIEW]Claudio Garola, Arcangelo Rossi & Sandro Sozzo (eds.) - 2006 - World Scientific.
    This volume provides a unique overview of recent Italian studies on the foundations of quantum mechanics and related historical, philosophical and epistemological topics.
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  26.  4
    Representing Attitudes Towards Ambiguity in Hilbert Space: Foundations and Applications.Sandro Sozzo - 2020 - Foundations of Science 26 (1):103-128.
    We provide here a general mathematical framework to model attitudes towards ambiguity which uses the formalism of quantum theory as a “purely mathematical formalism, detached from any physical interpretation”. We show that the quantum-theoretic framework enables modelling of the Ellsberg paradox, but it also successfully applies to more concrete human decision-making tests involving financial, managerial and medical decisions. In particular, we elaborate a mathematical representation of various empirical studies which reveal that attitudes of managers towards uncertainty shift from ambiguity seeking (...)
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  27. The Quantum Harmonic Oscillator in the ESR Model.Sandro Sozzo - 2013 - Foundations of Physics 43 (6):792-804.
    The ESR model proposes a new theoretical perspective which incorporates the mathematical formalism of standard (Hilbert space) quantum mechanics (QM) in a noncontextual framework, reinterpreting quantum probabilities as conditional on detection instead of absolute. We have provided in some previous papers mathematical representations of the physical entities introduced by the ESR model, namely observables, properties, pure states, proper and improper mixtures, together with rules for calculating conditional and overall probabilities, and for describing transformations of states induced by measurements. We study (...)
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  28.  8
    Quantum Theory Methods as a Possible Alternative for the Double-Blind Gold Standard of Evidence-Based Medicine: Outlining a New Research Program.Tomas Veloz, Rembrandt Sprundel, Sandro Sozzo, Massimiliano Bianchi, Suzette Geriente, Lester Beltran & Diederik Aerts - 2019 - Foundations of Science 24 (2):217-225.
    We motivate the possibility of using notions and methods derived from quantum physics, and more specifically from the research field known as ‘quantum cognition’, to optimally model different situations in the field of medicine, its decision-making processes and ensuing practices, particularly in relation to chronic and rare diseases. This also as a way to devise alternative approaches to the generally adopted double-blind gold standard.
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