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  1. Harald Atmanspacher & Thomas Filk (2013). The Necker–Zeno Model for Bistable Perception. Topics in Cognitive Science 5 (4):800-817.
    A novel conceptual framework for theoretical psychology is presented and illustrated for the example of bistable perception. A basic formal feature of this framework is the non-commutativity of operations acting on mental states. A corresponding model for the bistable perception of ambiguous stimuli, the Necker–Zeno model, is sketched and some empirical evidence for it so far is described. It is discussed how a temporal non-locality of mental states, predicted by the model, can be understood and tested.
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  2. Thomas Filk (2013). Temporal Non-Locality. Foundations of Physics 43 (4):533-547.
    In this article I investigate several possibilities to define the concept of “temporal non-locality” within the standard framework of quantum theory. In particular, I analyze the notions of “temporally non-local states”, “temporally non-local events” and “temporally non-local observables”. The idea of temporally non-local events is already inherent in the standard formalism of quantum mechanics, and Basil Hiley recently defined an operator in order to measure the degree of such a temporal non-locality. The concept of temporally non-local states enters as soon (...)
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  3. Harald Atmanspacher & Thomas Filk (2012). Contra Classical Causality Violating Temporal Bell Inequalities in Mental Systems. Journal of Consciousness Studies 19 (5-6):5-6.
    Temporally non-local measurements -- single measurements yielding information about the state of a system at different instances-- may provide a way to observe non-classical behaviour in mental systems. The signature for such behaviour is a violation of temporal Bell inequalities. We present such inequalities applicable to scenarios with two alternating mental states, such as in the perception of ambiguous figures. We indicate empirical options for testing temporal Bell inequalities, and speculate about possible explanations in case these inequalities are indeed violated.
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  4. Harald Atmanspacher & Thomas Filk (2012). Determinism, Causation, Prediction, and the Affine Time Group. Journal of Consciousness Studies 19 (5-6):5-6.
    This contribution addresses major distinctions between the notions of determinism, causation, and prediction, as they are typically used in the sciences. Formally, this can be elegantly achieved by two ingredients: (i) the distinction of ontic and epistemic states of a system, and (ii) temporal symmetry breakings based on the mathematical concept of the affine time group. Key aspects of the theory of deterministically chaotic systems together with historical quotations from Laplace, Maxwell, and Poincare provide significant illustrations. An important point of (...)
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  5. Thomas Filk (2011). Non-Classical Correlations in Bistable Perception? Axiomathes 21 (2):221-232.
    A violation of Bell’s inequalities is generally considered to be the Holy Grail of experimental proof that a specific natural phenomenon cannot be explained in a classical framework and is based on a non-boolean structure of predications. Generalized quantum theory allows for such non-boolean predications. We formulate temporal Bell’s inequalities for cognitive two-state systems and indicate how these inequalities can be tested. This will introduce the notion of temporally non-local measurements. The Necker-Zeno model for bistable perception predicts a violation of (...)
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  6. Thomas Filk & Hartmann Römer (2011). Generalized Quantum Theory: Overview and Latest Developments. [REVIEW] Axiomathes 21 (2):211-220.
    The main formal structures of generalized quantum theory are summarized. Recent progress has sharpened some of the concepts, in particular the notion of an observable, the action of an observable on states (putting more emphasis on the role of proposition observables), and the concept of generalized entanglement. Furthermore, the active role of the observer in the structure of observables and the partitioning of systems is emphasized.
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  7. Thomas Filk & Albrecht von Müller (2009). Quantum Physics and Consciousness: The Quest for a Common Conceptual Foundation. Mind and Matter 7 (1):59-80.
    Similar problems keep reappearing in both the discussion about the “hard” problem of consciousness and in fundamental issues in quantum theory. We argue that the similarities are due to common problems within the conceptual foundations of both fields. In quantum physics, the state reduction marks the “coming into being” of a new aspect of reality for which no causal explanation is available. Likewise, the self-referential nature of consciousness constitutes a “coming into being” of a new quality which goes beyond a (...)
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  8. Thomas Filk (2006). Book Review: Process and Quantum. [REVIEW] Mind and Matter 4 (1):121-125.
    Review of Hattich, F. (2004): 'Quantum Processes. A Whiteheadian Inter pretation of Quantum Field Theory'. Agenda Verlag, Munster. ISBN 3-89688-204-X (Euro 29.90; pbk).
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