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International Conference on Computing Anticipatory Systems (CASYS)

The philosophical implications of quantum level active information

Paavo Pylkkänen

Published Jan 1, 1999• 1 citation
Publisher

Abstract

The paper sketches how the notion of active information has arisen from the quantum theory and then briefly discusses the relevance of this notion to current debates in consciousness studies (“the hard problem” of consciousness) and cognitive science (“the dynamical approach” to cognition).
DOI
10.1063/1.58253

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Cambridge University Press eBooks•Apr 20, 2015•0 citations
Western philosophy and science have a strongly dualistic tradition regarding the mental and physical aspects of reality, which makes it difficult to understand their possible causal relations. In recent debates in cognitive neuroscience it has been common to claim on the basis of neural experiments that conscious experiences are causally inefficacious. At the same time there is much evidence that consciousness does play an important role in guiding behavior. The author explores whether a new way of understanding the causal role of mental states and consciousness could be provided by the ontological interpretation of the quantum theory (Bohm and Hiley, Phys. Rep. 144:323–348, 1987; Bohm and Hiley, The undivided universe: An ontological interpretation of quantum theory. Routledge: London, 1993). This interpretation radically changes our notion of matter by suggesting that a new type of active information plays a causal role at the quantum level of reality. The author thus considers to what extent the alleged causal powers of consciousness involve information, and then moves on to consider whether information in (conscious) mental states can be connected to the information at the level of quantum physics. In this way he sketches how quantum theory might help to throw light upon one of the grand challenges facing the social sciences and the humanities, namely the question of whether consciousness plays any genuine causal role in the physical world.
The hard problem in consciousness is the problem of understanding how physical processes in the brain could give rise to subjective conscious experience. In this paper, I suggest that in order to understand the relationship between consciousness and the physical world, we need to probe deeply into the nature of physical reality. This leads us to quantum physics and to a second explanatory gap: that between quantum and classical reality. I will seek a philosophical framework that can address these two gaps simultaneously. Our analysis of quantum mechanics will naturally lead us to the notion of a hidden reality and to the postulate that consciousness is an integral component of this reality. The framework proposed in the paper provides the philosophical underpinnings for a theory of consciousness while satisfactorily resolving the interpretation problem in quantum mechanics without the need to alter its mathematical structure. I also discuss some implications for a scientific theory of consciousness.
Abstract The paper proposes that quantum theory implies a radically new notion of matter which has not been properly understood before David Bohm’s groundbreaking work. Bohm proposed that the fundamental particles of physics (such as electrons) are not merely pushed around mechanically by classical forces but are also able to respond to information. Information is thus assumed to be an objective commodity which can exist independently of the human mind and which actively guides or instructs physical processes. This notion of active information also applies in computational, biological and psychological phenomena, thus helping us to understand how the mental and the physical sides of reality are related. It may even help us to understand the nature of conscious experience. The latter part of the paper considers the deeper mathematical and physical background of quantum theory and suggests that we need to revise our basic assumptions about quantum objects, such as the role of the wave function.
This study offers a comprehensive analysis of David Bohm’s article “A New Theory of the Relationship of Mind and Matter” (Philosophical Psychology, 1990) — one of the most original attempts of the twentieth century to overcome Cartesian dualism on a physical foundation. The paper proceeds in sequence through the historical context of the mind–body problem, the physical basis of the causal interpretation of quantum mechanics, the central concept of active information, and the implicate order. Bohm’s framework is then compared with several major contemporary approaches: Orchestrated Objective Reduction (Hameroff & Penrose, 2014), the holographic brain model (Pribram, 1991), Integrated Information Theory (Tononi, 2004), and the Global Workspace model (Baars, 1988; Dehaene, 2014). A dedicated section examines the relationship between Bohm’s ideas and Rovelli’s Relational Quantum Mechanics (Rovelli, 1996), as well as Loop Quantum Gravity (Rovelli, 2004; Rovelli & Smolin, 1995), and Qbism, developed by Christopher Fuchs, Rüdiger Schack, and Carlton Caves (Fuchs, 2002; Fuchs et al., 2014). The concluding section evaluates the compatibility of Bohm’s ideas with quantum field theory and modern quantum information science. The principal conclusion is that Bohm’s 1990 article does not constitute a complete theory of consciousness, yet it anticipates with remarkable prescience the information-ontological tendencies of the twenty-first century and may best be understood as a philosophical-physical metatheory whose relevance has only grown since its publication.
Introduction We saw in Part I that in addition to explaining consciousness there is another hard problem for the modern scientific worldview – understanding what quantum physics is telling us about reality. And if anything this one is harder. In philosophy of mind there is at least consensus enough for an orthodox position to exist (materialism), and a widespread expectation that it will be vindicated by future neuroscience. By contrast, in philosophy of physics all sides understand that quantum theory is compatible with a variety of metaphysical interpretations, and have little hope that new empirical discoveries will settle the matter. But both problems are “hard” in the sense that, despite tremendous intellectual effort over many decades, no clear progress has been made toward solving them. The basic idea of quantum consciousness theory is that bringing the two problems into contact may be the key to solving both (though I will be addressing only the mind–body problem in what follows). That this could be a novel idea attests to the fact that their philosophical discussions have evolved quite separately. While philosophers of physics have long been interested in the role of consciousness in the measurement process, they have engaged little with the mind–body problem per se; and philosophers of mind have been almost unanimous in dismissing the suggestion that consciousness has anything interesting to do with quantum physics. Social scientists might echo such skepticism, wondering how adding the problem of interpreting quantum theory to the problem of consciousness will help them . Besides piling up jargon and arcane debates, in moving to the sub-atomic level we are now even farther removed from the human world, and seemingly poised to engage in the most vulgar reductionism. Yet, naïvely one might expect the two problems to be related, for two reasons. The first is the intriguing analogies mentioned in Chapter 1 between the mental and quantum domains.