J. Acacio de Barros

Publications

Papers, chapters, theses, and talks

The list below follows my curriculum vitae and is ordered by year. Edited volumes have their own page.

Where a paper can be offered here it is linked as a PDF — in most cases the author’s manuscript rather than the publisher’s typesetting. Where the publisher holds the final version, the link goes to the publisher, to a DOI, or to an established repository instead.

Peer-reviewed publications

  1. In press

    de Barros, J. A., Mendes, V., Moreira, C., & Tesar, J. A Classical Model for Question-Order Effects. To appear in Quantum Social Science (Aspalter, C., ed.).

  2. 2025

    Jorge, J. P., & de Barros, J. A. Nmatrices cuánticas, cuasiconjuntos y el teorema de Kochen-Specker. Teorema. International Journal of Philosophy, 44(2), 1–28.

  3. 2025

    de Barros, J. A., Jorge, J. P., & Holik, F. On the Assumptions Underlying KS-like Contradictions. In Krause, D. & Arenhart, J. R. B. (eds.), Individuals and Non-Individuals in Quantum Theory, pp. 71–86. Synthese Library, vol. 525. Springer, Cham.

    PDF is the preprint.

  4. 2025

    Monchietti, E., Massri, C., de Barros, J. A., & Holik, F. Measure-theoretic approach to negative probabilities. Journal of Physics A: Mathematical and Theoretical, 58(34), 345302.

  5. 2024

    de Barros, J. A., Montemayor, C., De Assis, L. P. G., Skokowski, P., & Perry, J. Constraining Meanings With Contextuality. Foundations of Science, 29(2), 521–541.

  6. 2023

    de Barros, J. A., & Holik, F. Ontological indistinguishability as a central tenet of quantum theory. Philosophical Transactions of the Royal Society A, 381(2255), 20220100.

  7. 2021

    Pizlo, Z., & de Barros, J. A. The Concept of Symmetry and the Theory of Perception. Frontiers in Computational Neuroscience, 15, 681162.

  8. 2021

    Moreira, C., & de Barros, J. A. Order Effects in Bayesian Updates. Proceedings of the Annual Meeting of the Cognitive Science Society, 43.

  9. 2020

    de Barros, J. A., & Holik, F. Indistinguishability and negative probabilities. Entropy, 22(8), 829.

  10. 2020

    de Barros, J. A., & Suppes, P. Strong Non-Contextual Holism in Quantum Macroscopic States. South American Journal of Logic, 6(1), 1–23.

  11. 2019

    de Barros, J. A., Holik, F., & Krause, D. Indistinguishability and the origins of contextuality in physics. Philosophical Transactions of the Royal Society A, 377(2157), 20190150.

  12. 2019

    de Barros, J. A., Montemayor, C., Klein, S., & Cochran, C. Henry Stapp and the Orthodox Interpretation. Activitas Nervosa Superior, 61, 1–5.

  13. 2019

    Montemayor, C., de Barros, J. A., & De Assis, L. P. Implementation, Formalization, and Representation: Challenges for Integrated Information Theory. Journal of Consciousness Studies, 26(1–2), 107–132.

  14. 2018

    Passos, M. H. M., Balthazar, W. F., de Barros, J. A., Souza, C. E. R., Khoury, A. Z., & Huguenin, J. A. O. Classical analog of quantum contextuality in spin-orbit laser modes. Physical Review A, 98(6), 062116.

  15. 2017

    de Barros, J. A., Krause, D., & Holik, F. Contextuality and Indistinguishability. Entropy, 19(9), 435.

  16. 2017

    de Barros, J. A., & Oas, G. Can We Falsify the Consciousness-Causes-Collapse Hypothesis in Quantum Mechanics? Foundations of Physics, 47, 1294–1308.

  17. 2017

    de Barros, J. A., Montemayor, C., & De Assis, L. P. G. Contextuality in the Integrated Information Theory. In de Barros, J. A., Coecke, B., & Pothos, E. (eds.), Quantum Interaction. QI 2016, Lecture Notes in Computer Science, vol. 10106, pp. 57–70. Springer, Cham.

  18. 2017

    de Barros, J. A., De Assis, L. G., & Bob, P. Is Stress Quantum-Like? In de Barros, J. A., Coecke, B., & Pothos, E. (eds.), Quantum Interaction. QI 2016, Lecture Notes in Computer Science, vol. 10106, pp. 71–80. Springer, Cham.

  19. 2016

    de Barros, J. A., Kujala, J. V., & Oas, G. Negative Probabilities and Contextuality. Journal of Mathematical Psychology, 74, 34–45.

  20. 2016

    de Barros, J. A., Dzhafarov, E., Kujala, J., & Oas, G. Measuring Observable Quantum Contextuality. In Atmanspacher, H., Filk, T., & Pothos, E. (eds.), Quantum Interaction. QI 2015, Lecture Notes in Computer Science, vol. 9535, pp. 36–47. Springer, Cham.

  21. 2015

    Carvalhaes, C. G., & de Barros, J. A. The Surface Laplacian Technique in EEG: Theory and Methods. International Journal of Psychophysiology, 97(3), 174–188.

  22. 2014

    de Barros, J. A., & Oas, G. Negative probabilities and counter-factual reasoning in quantum cognition. Physica Scripta, T163, 014008.

  23. 2014

    Oas, G., de Barros, J. A., & Carvalhaes, C. G. Exploring non-signalling polytopes with negative probability. Physica Scripta, T163, 014034.

  24. 2014

    de Barros, J. A. Decision Making for Inconsistent Expert Judgments Using Signed Probabilities. Lecture Notes in Computer Science, 8369, 257–269.

  25. 2014

    Carvalhaes, C. G., de Barros, J. A., Perreau-Guimarães, M., & Suppes, P. The Joint Use of the Tangential Electric Field and Surface Laplacian in EEG Classification. Brain Topography, 27(1), 84–94.

    The final version is hosted in the Suppes Corpus at Stanford and is linked there rather than copied here.

  26. 2012

    de Barros, J. A. Quantum-like model of behavioral response computation using neural oscillators. BioSystems, 110, 171–182.

  27. 2012

    Suppes, P., de Barros, J. A., & Oas, G. Phase-Oscillator Computations as Neural Models of Stimulus-Response Conditioning and Response Selection. Journal of Mathematical Psychology, 56, 95–117.

  28. 2011

    de Barros, J. A. Comments on ‘There is no Axiomatic system for the quantum theory’. International Journal of Theoretical Physics, 50, 1828–1830.

  29. 2011

    Vassilieva, E., Pinto, G., de Barros, J. A., & Suppes, P. Learning Pattern Recognition through Quasi-synchronization of Phase Oscillators. IEEE Transactions on Neural Networks, 22, 84–95.

  30. 2010

    Augsburg, T., & de Barros, J. A. Integrating different modes of inquiry for pre-service teachers. In Rangacharyulu, C. & Haven, E. (eds.), Proceedings of the First Interdisciplinary CHESS Interactions Conference. World Scientific, Singapore.

    Editor reviewed.

  31. 2010

    de Barros, J. A., & Suppes, P. Probabilistic Inequalities and Upper Probabilities in Quantum Mechanical Entanglement. Manuscrito, 33, 55–71.

  32. 2009

    de Barros, J. A., & Suppes, P. Quantum mechanics, interference, and the brain. Journal of Mathematical Psychology, 53, 306–313.

  33. 2007

    Suppes, P., & de Barros, J. A. Quantum Mechanics and the Brain. In Quantum Interaction: Papers from the AAAI Spring Symposium, Technical Report SS-07-08, 75–82. AAAI Press, Menlo Park, CA.

  34. 2007

    de Barros, J. A., Corrêa Silva, E. V., Monerat, G. A., Oliveira-Neto, G., Ferreira Filho, L. G., & Romildo Jr., P. Tunneling probability for the birth of an asymptotically de Sitter universe. Physical Review D, 75, 104004.

  35. 2007

    de Barros, J. A., de Mendonça, J. P. R. F., & Pinto-Neto, N. Realism in Energy Transition Processes: an example from Bohmian Quantum Mechanics. Synthese, 154, 349–370.

  36. 2006

    de Barros, J. A., Carvalhaes, C. G., de Mendonça, J. P. R. F., & Suppes, P. Recognition of Words from the EEG Laplacian. Brazilian Journal of Biomedical Engineering, 21, 45–59.

  37. 2005

    de Barros, J. A., Oliveira Neto, G., & Vale, T. B. Bohmian Trajectories for Evaporating Black-Holes. Physics Letters A, 336, 324–330.

  38. 2005

    de Barros, J. A. Utilizando métodos de Engajamento Interativo em um Curso de Mecânica Clássica. Anais do XVI Simpósio Nacional de Ensino de Física, Niterói, RJ.

    In Portuguese: Using Interactive Engagement Methods in an Advanced Classical Mechanics Course. Editor reviewed.

  39. 2004

    Carvalhaes, C. G., de Barros, J. A., & Suppes, P. O Laplaciano na Análise de Ondas Cerebrais. Anais do 6º Simpósio Brasileiro de Análise, 2, 243–250.

    In Portuguese: The Laplacian as a Tool for the Analysis of Brainwaves.

  40. 2004

    de Barros, J. A., Remold, J., Vidal, F. V., & Barbosa, N. A. Desempenho Conceitual de Alunos do Método de Engajamento Interativo do Curso de Física I da UFJF. Anais do IX Encontro de Pesquisa em Ensino de Física, Jaboticatubas, MG, Brazil.

    In Portuguese: Conceptual Development of Students in an Active Engagement Introductory Physics Course at UFJF.

  41. 2004

    de Barros, J. A., Remold, J., da Silva, G. S. F., & Tagliati, J. R. Engajamento interativo no curso de Física I da UFJF. Revista Brasileira de Ensino de Física, 26, 63–69.

    In Portuguese: Interactive Engagement in UFJF’s Introductory Physics Course.

  42. 2003

    de Barros, J. A., Remold, J., Tagliati, J. R., da Silva, G. S. F., & Matheus-Valle, J. L. A Aplicação de uma Nova Metodologia de Ensino de Física Usando Aprendizado Colaborativo. Coletânea da VI Escola de Verão para Professores de Prática de Ensino de Biologia, Física e Química e Áreas Afins. Editora da UFF, Niterói, RJ, Brazil.

    In Portuguese: Applying a New Physics-teaching Methodology Using Collaborative Learning.

  43. 2001

    de Barros, J. A., & Suppes, P. Probabilistic Results for Six Detectors in a Three-Particle GHZ Experiment. In Bricmont, J., Ghirardi, G., Dürr, D., Petruccione, F., Galavotti, M. C., & Zanghì, N. (eds.), Chance in Physics: Foundations and Perspectives. Lecture Notes in Physics, vol. 574, 213–223. Springer, Berlin.

  44. 2000

    de Barros, J. A., & Suppes, P. Inequalities for Dealing with Detector Inefficiencies in Greenberger–Horne–Zeilinger-Type Experiments. Physical Review Letters, 84(5), 793–797.

  45. 2000

    de Barros, J. A., Sagioro-Leal, M. A., & Pinto-Neto, N. The Causal Interpretation of the Conformally Coupled Scalar Field Quantum Cosmology. General Relativity and Gravitation, 32, 15–39.

  46. 1999

    de Barros, J. A., Shapiro, I. L., & Pinto-Neto, N. Quantum gravity correction, evolution of scalar field and inflation. Classical and Quantum Gravity, 16, 1773–1782.

  47. 1998

    de Barros, J. A., Pinto-Neto, N., & Sagioro-Leal, M. A. The Causal Interpretation of Dust and Radiation Fluids Non-Singular Quantum Cosmologies. Physics Letters A, 241, 229–239.

  48. 1998

    de Barros, J. A., & Pinto-Neto, N. The Causal Interpretation of Quantum Mechanics and the Singularity Problem and Time Issue in Quantum Cosmology. International Journal of Modern Physics D, 7, 201–214.

  49. 1997

    de Barros, J. A., & Shapiro, I. L. Renormalization Group Study of the Higher Derivative Conformal Scalar Model. Physics Letters B, 412, 242–252.

  50. 1997

    de Barros, J. A., & Pinto-Neto, N. Comments on the Quantum Potential Approach to a Class of Quantum Cosmological Models. Classical and Quantum Gravity, 14, 1993–1995.

  51. 1997

    de Barros, J. A., & Pinto-Neto, N. The Causal Interpretation of Quantum Mechanics and the Singularity Problem in Quantum Cosmology. Nuclear Physics B (Proceedings Supplements), 57, 247–250.

  52. 1996

    Suppes, P., & de Barros, J. A. Photons, Billiards and Chaos. In Weingartner, P. & Schurz, G. (eds.), Law and Prediction in the Light of Chaos Research. Lecture Notes in Physics, vol. 473, 189–201. Springer, Berlin.

  53. 1996

    Suppes, P., de Barros, J. A., & Oas, G. A Collection of Probabilistic Hidden-Variable Theorems and Counterexamples. In Pratesi, R. & Ronchi, L. (eds.), Waves, Information and Foundation of Physics: a tribute to Giuliano Toraldo di Francia on his 80th birthday. Italian Physical Society, Florence.

  54. 1996

    Suppes, P., de Barros, J. A., & Sant'Anna, A. S. Violation of Bell's Inequalities with Local Photons. Foundations of Physics Letters, 9, 551–560.

  55. 1996

    Suppes, P., Sant'Anna, A. S., & de Barros, J. A. A Pure Particle Theory of the Casimir Effect. Foundations of Physics Letters, 9, 213–223.

  56. 1995

    Ravaglia, R., de Barros, J. A., & Suppes, P. Computer-Based Advanced Placement for Physics for Gifted Students. Computers in Physics, 9, 380–386.

  57. 1994

    Suppes, P., & de Barros, J. A. Diffraction with Well-Defined Photon Trajectories: a Foundational Analysis. Foundations of Physics Letters, 7, 501–514.

  58. 1994

    da Costa, N. C. A., Doria, F. A., Furtado do Amaral, A. F., & de Barros, J. A. Two Questions on the Geometry of Gauge Fields. Foundations of Physics, 24, 783–800.

  59. 1994

    Suppes, P., & de Barros, J. A. A Random-Walk Approach to Interference. International Journal of Theoretical Physics, 33, 179–189.

  60. 1990

    da Costa, N. C. A., Doria, F. A., & de Barros, J. A. A Suppes Predicate for General Relativity and Set-Theoretically Generic Spacetimes. International Journal of Theoretical Physics, 29, 935–961.

  61. 1987

    Doria, F. A., de Barros, J. A., & Ribeiro da Silva, M. Noncomputable Functions, Generic Functions and Random Sequences. Boletim da Sociedade Paranaense de Matemática, 8, 197–216.

Book chapters and other publications

  1. 2025

    Franco, V. R., Moreira, C., & de Barros, J. A. Efeitos de contextualidade na avaliação psicológica. In Pereira da Silva, M. P. & Peixoto, E. M. (eds.), Vieses de Resposta na Testagem e Avaliação Psicológica: Conceitos e Métodos de Controle. Editora Hogrefe CETEPP, São Paulo, Brazil.

  2. 2024

    de Barros, J. A. On the Wave-function Collapse and Mind-Matter Interaction. In Kafatos, M. C., Banerji, D., & Struppa, D. C. (eds.), Quantum and Consciousness Revisited. D. K. Printworld, New Delhi.

  3. 2023

    de Barros, J. A. Can Quantum Non-identity Exist in Social Phenomena? In Plotnitsky, A. & Haven, E. (eds.), The Quantum-Like Revolution: A Festschrift for Andrei Khrennikov, pp. 361–377. Springer, Cham.

  4. 2022

    de Barros, J. A., & Montemayor, C. Quantum Mentality: Panpsychism and Panintentionalism. In Gao, S. (ed.), Consciousness and Quantum Mechanics, pp. 83–98. Oxford University Press.

    PDF is the accepted manuscript (2019).

  5. 2022

    de Barros, J. A., Holik, F., & Krause, D. Quantum Identity, Content, and Context: From Classical to Non-classical Logic. In Wuppuluri, S. & Stewart, I. (eds.), From Electrons to Elephants and Elections: Exploring the Role of Content and Context, pp. 489–521. The Frontiers Collection. Springer, Cham.

  6. 2020

    de Barros, J. A., & Sant'Anna, A. S. Classical Fields, Bell's inequalities, and the quantum limit. In de Barros, J. A. & Krause, D. (eds.), A True Polymath: a Tribute to Francisco Antonio Doria. College Publications, Rickmansworth, UK.

  7. 2020

    Montemayor, C., & de Barros, J. A. Information and the Hard Problem of Consciousness. In de Barros, J. A. & Krause, D. (eds.), A True Polymath: a Tribute to Francisco Antonio Doria. College Publications, Rickmansworth, UK.

  8. 2020

    de Barros, J. A. On Information, Quanta, and Context. In Wuppuluri, S. & Doria, F. A. (eds.), Unravelling Complexity: The Life and Work of Gregory Chaitin, pp. 239–270. World Scientific, Singapore.

  9. 2019

    de Barros, J. A., & Montemayor, C. Where Does Quanta Meet Mind? In de Barros, J. A. & Montemayor, C. (eds.), Quanta and Mind: Essays on the Connection between Quantum Mechanics and Consciousness, pp. 55–66. Synthese Library, vol. 414. Springer, Cham.

  10. 2018

    de Barros, J. A., & Oas, G. Mapping quantum reality: what to do when the territory does not make sense? In Wuppuluri, S. & Doria, F. A. (eds.), Map and Territory: Exploring the Foundations of Science, Thought and Reality. The Frontiers Collection. Springer.

  11. 2017

    de Barros, J. A., & Oas, G. Quantum Cognition, Neural Oscillators, and Negative Probabilities. In Haven, E. & Khrennikov, A. (eds.), The Palgrave Handbook of Quantum Models in Social Science: Applications and Grand Challenges, pp. 195–228. Palgrave Macmillan, London.

  12. 2016

    de Barros, J. A. On a Model of Quantum Mechanics and the Mind. In O'Nuallain, S. (ed.), Dualism, Platonism and Voluntarism: Explorations at the Quantum, Microscopic, Mesoscopic and Symbolic Neural Levels. Cambridge Scholars Publishing.

  13. 2015

    Carvalhaes, C. G., & de Barros, J. A. A Review of the Method of Using the Scalp Electric Field in EEG Analysis. Cosmos and History: The Journal of Natural and Social Philosophy, 11(2), 154–159.

  14. 2015

    de Barros, J. A., & Oas, G. Quantum Mechanics & the Brain, and some of its Consequences. Cosmos and History: The Journal of Natural and Social Philosophy, 11(2), 146–153.

  15. 2015

    de Barros, J. A., Oas, G., & Suppes, P. Negative probabilities and Counterfactual Reasoning on the double-slit Experiment. In Béziau, J.-Y., Krause, D., & Arenhart, J. R. B. (eds.), Conceptual Clarifications: Tributes to Patrick Suppes (1922–2014), pp. 1–30. College Publications, London.

  16. 2015

    de Barros, J. A., & Oas, G. Some examples of contextuality in Physics: implications to quantum cognition. In Dzhafarov, E., Zhang, R., & Jordan, S. M. (eds.), Contextuality, from Quantum Physics to Psychology. World Scientific.

  17. 2015

    Oas, G., & de Barros, J. A. A Survey of Physical Principles Attempting to Define Quantum Mechanics. In Dzhafarov, E., Zhang, R., & Jordan, S. M. (eds.), Contextuality, from Quantum Physics to Psychology. World Scientific.

  18. 2015

    de Barros, J. A. Beyond the Quantum Formalism: Consequences of a Neural-Oscillator Model to Quantum Cognition. In Liljenström, H. (ed.), Advances in Cognitive Neurodynamics (IV), 401–404. Springer, Netherlands.

  19. 2014

    de Barros, J. A., & Oas, G. Response Selection Using Neural Phase Oscillators. In Crangle, C., Garcia de la Sienra, A., & Longino, H. (eds.), Foundations and Methods from Mathematics to Neuroscience: Essays Inspired by Patrick Suppes. CSLI Publications, Stanford University.

  20. 2012

    de Barros, J. A. Joint Probabilities and Quantum-Cognition. AIP Conference Proceedings, 1508, 98–109.

  21. 2008

    Carvalhaes, C. G., de Barros, J. A., Perreau-Guimarães, M., & Suppes, P. Performances of Spline-Laplacian Filters in a Two-Class EEG Experiment. Unpublished manuscript.

  22. 2008

    de Barros, J. A., Remold, J., & dos Santos, G. S. F. Inquiry in Cultural Context: Interactive Engagement among Brazilian Students. Presented at the AAPT Summer Conference, Edmonton, Canada.

  23. 2005

    Remold, J., de Barros, J. A., & dos Santos, G. S. F. Communities of Practice in Brazil: An Ethnographic Study of Changes to University Physics Instruction. Preprint, UFJF.

  24. 2004

    de Barros, J. A., Oliveira Neto, G., & Vale, T. B. The de Broglie-Bohm Interpretation of Evaporating Black-Holes. Unpublished manuscript.

  25. 2000

    de Barros, J. A., & Suppes, P. Some conceptual issues involving probability in quantum mechanics. Preprint prepared for Reverberations of the Shaky Game (Jones, R. & Ehrlich, P., eds.), University of Chicago Press.

  26. 1997

    de Barros, J. A. Causalidade e Probabilidade. In Abdalla-Neto, H. (ed.), Pós-Modernismo: Anticiência e Antihumanismo? Universidade Católica de Petrópolis, Petrópolis, RJ, Brazil.

    In Portuguese: Causality and Probability.

  27. 1996

    Suppes, P., de Barros, J. A., & Sant'Anna, A. S. A Proposed Experiment Showing that Classical Fields Can Violate Bell's Inequalities. Preprint.

  28. 1995

    Suppes, P., & de Barros, J. A. A Descoberta dos Raios-X. Jornal Tribuna de Minas: Caderno Leitura, Juiz de Fora, MG, Brazil, 17 December.

    In Portuguese: The Discovery of X-Rays.

  29. 1990

    Doria, F. A., Furtado do Amaral, A. F., & de Barros, J. A. Noncurvature Solutions for the Bianchi Differential Conditions. CETMAC-5/IDEA, School of Communications, UFRJ, Rio de Janeiro.

  30. 1989

    da Costa, N. C. A., Doria, F. A., & de Barros, J. A. On a Formally Undecidable Statement in Classical Electromagnetic Theory. In Bertulani, C. A. & Lopes Neto, J. (eds.), Encontro de Física Teórica do Rio de Janeiro: Homenagem Póstuma ao Prof. Carlos Márcio do Amaral. Editora da UFRJ.

  31. 1988

    Doria, F. A., & de Barros, J. A. Chaos, Entropy, Set-Theoretic Models and Higher Cardinals. Atas do Simpósio UNICAMP “Ordem e Desordem”. Editora da Unicamp.

  32. 1988

    Doria, F. A., & de Barros, J. A. On a Set-Theoretic Property Equivalent to the Negation of the Continuum Hypothesis. CETMAC/IDEA, School of Communications, UFRJ, Rio de Janeiro.

Theses

  1. 1991

    de Barros, J. A. Dois Exemplos de Indecidibilidade e Incompletude em Física. Doctoral dissertation, Brazilian Center for Research in Physics (CBPF), Rio de Janeiro, Brazil. Committee: F. A. Doria (chair), N. C. A. da Costa, J. J. Giambiagi, A. F. F. Teixeira, D. Krause, W. C. S. da Silva, J. Helayel-Neto, F. Caruso.

    In Portuguese: Two Examples of Undecidability and Incompleteness in Physics.

  2. 1989

    de Barros, J. A. Conjuntos Genéricos Segundo Cohen e suas Aplicações à Física. Master's thesis, Brazilian Center for Research in Physics (CBPF), Rio de Janeiro, Brazil. Committee: F. A. Doria, N. C. A. da Costa, M. Dutra Fragoso, A. F. F. Teixeira.

    In Portuguese: Generic Sets According to Cohen and their Applications to Physics. The thesis title page is dated 1989. Originally written in ChiWriter and converted to LaTeX, so some conversion errors may remain.

Talks

Slides from invited and conference talks, where a deck survives. The full list of 33 invited and 26 conference presentations is in the CV.

  1. 2019

    Information and Context. Institute for Mathematical Behavioral and Social Sciences, UC Irvine, 25 April 2019.

  2. 2018

    Contextuality and Language. Workshop in Honor of Francisco Doria, UFRJ / Brazilian Institute of Advanced Studies / Brazilian Academy of Philosophy, Rio de Janeiro, 8–9 December 2018.

  3. 2018

    Quantum Formalism Outside of Physics. Lectures at the Advanced School on Quantum Foundations and Quantum Computation, Brazil.

  4. 2014

    Unifying two methods of measuring quantum contextuality. Quantum Theory: from Problems to Advances, Linnaeus University, Växjö, Sweden, June 2014.

  5. 2014

    Some Examples of Contextuality in Physics and their Implications to Quantum Cognition. Winer Memorial Lectures, Purdue University, 1–3 November 2014.

  6. 2014

    Decision Making for Inconsistent Expert Judgments Using Signed Probabilities. Mathematical and Computational Cognitive Science colloquium, Department of Psychological Sciences, Purdue University, 24 February 2014.

  7. 2013

    What is irrational about irrationality?. Keynote, “Convergenze Parallele”, University of Salento, Lecce, Italy, 10–12 September 2013.

  8. 2013

    Decision Making for Inconsistent Expert Judgments Using Signed Probabilities. “Convergenze Parallele” workshop, Lecce, Italy, 10–12 September 2013.

  9. 2013

    Neural-oscillator models of quantum decision making. “Convergenze Parallele” workshop, Lecce, Italy, 10–12 September 2013.

  10. 2013

    Beyond a quantum formalism: consequences of a neural-oscillator model to quantum cognition. 4th International Conference on Cognitive Neurodynamics, Sigtuna, Sweden, 23–27 June 2013.

  11. 2013

    Negative probabilities and counterfactual reasoning. Quantum Information & Quantum Foundations workshop, Linnaeus University, Växjö, Sweden, June 2013.

  12. 2012

    Response Selection Using Neural Phase Oscillators. Symposium on the Occasion of Patrick Suppes’s 90th Birthday, Stanford University, March 2012.

  13. 2012

    Joint Probabilities and quantum cognition. Quantum Theory: Reconsiderations of Foundations – 6, Linnaeus University, Växjö, Sweden, June 2012.