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The relationship between consciousness and the physical world is a central philosophical problem, with theories like panpsychism [1], [2] and dual-aspect monism [3] positing that consciousness is a fundamental feature of physical reality. Conversely, other perspectives explore the 'hard problem' [4] and the challenge of causal closure [5], [6], which question how a non-physical consciousness could interact with or influence the physical world [7], [8], [9].
Facts (46)
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Non-physicalist Theories of Consciousness cambridge.org 14 facts
claimInteractionism that posits consciousness affects the physical world by influencing the outcome of quantum collapse strongly suggests libertarianism, because quantum collapse is an indeterministic process.
perspectiveThe fact that human inquirers are themselves conscious provides a unique perspective that may grant insight into the nature of consciousness and its connection to the physical world.
claimDualism posits that consciousness and the physical world are equally real and fundamental, and that they interact with each other causally.
claimSubjective idealism defines the physical world as observer-dependent, meaning it is dependent on the consciousness of external observers.
claimPanpsychism posits that the physical world is real but is pervaded by consciousness, suggesting that even fundamental particles may possess simple forms of consciousness from which complex consciousness is derived.
claimSubjective or antirealist idealism posits that the physical world consists only of appearances or perceptions within minds, such as those of humans, complex animals, or intelligent aliens.
claimDualism, idealism, and panpsychism define consciousness as non-physical, but they differ in their conceptualization of the relationship between consciousness and the physical world.
claimThe recent resurgence of interest in dual-aspect monism is primarily driven by the argument that positing consciousness or protoconsciousness as the intrinsic nature of the physical offers the best explanation of how consciousness fits into the physical world, as noted by Alter and Nagasawa (2012) and Chalmers (2013).
claimInteractionism does not inherently imply libertarianism because the psychophysical laws governing the interaction between consciousness and the physical world could theoretically be deterministic.
referenceThe argument from physical causal closure, supported by Kim (1989), Papineau (2001), Melnyk (2003), and Montero and Papineau (2016), focuses on how consciousness affects the brain, the body, and the physical world in general.
claimInteractionist dualism posits that consciousness and the physical world mutually influence each other through two-way psychophysical laws, meaning physical effects of mental causes lack sufficient physical causes and are not overdetermined.
claimThe physical world is causally closed, meaning all physical effects have a sufficient physical cause, which implies that if consciousness produces physical effects like behavior, it must be physical.
claimSubjective idealism, a theory associated with George Berkeley, posits that only consciousness is fundamentally real, while the physical world is an illusion.
claimRené Descartes argued in 'Meditations' (VI) and 'Discourse on Method' (IV) that consciousness is distinct from the physical because it is conceivable for consciousness to exist without the body or the physical world.
The Hard Problem of Consciousness | Springer Nature Link link.springer.com 5 facts
claimConsciousness might be a general property of human beings and the universe, provided one accepts the hypotheses that other people share similar experiences and that the physical world exists.
claimSome approaches to the mind-body problem assume that the physical world might be the manifestation of a ubiquitous phenomenal or protophenomenal essence, which contrasts with substance dualism that presupposes consciousness emerges from a physical substrate.
accountDavid Chalmers, as a former physicalist, initially took the existence of the physical world for granted and constructed his arguments to convince himself of the irreducibility of consciousness to the physical rather than to address skepticism.
claimThe existence of the physical world is considered at least as difficult a problem as the problem of consciousness, leading to the 'hard problem of the physical' when consciousness is taken as the only incorrigible and intrinsic evidence.
claimVon Stillfried argues that the physical world is continuous, whereas consciousness is discontinuous, as evidenced by the interruption of experience during sleep or coma while the physical world remains stable.
Panpsychism - Wikipedia en.wikipedia.org 4 facts
perspectiveGiulio Tononi and Christof Koch state that panpsychism integrates consciousness into the physical world in a way that is "elegantly unitary", despite their other criticisms of the theory.
claimThe physical world's causal closure, as explained by Newton's law of motion (for every action there is an equal and opposite reaction), implies that consciousness cannot exert causal power on the physical world unless consciousness is itself physical.
claimPanpsychism is the philosophical doctrine asserting that consciousness is a fundamental and ubiquitous feature of physical reality.
claimEpiphenomenalism is the philosophical state of affairs where consciousness is separate from the physical world and therefore has no room to exert causal power on the world.
Hard problem of consciousness - Wikipedia en.wikipedia.org 4 facts
claimJoseph Levine argues that thought experiments demonstrate an explanatory gap between consciousness and the physical world, asserting that even if consciousness is reducible to physical things, it cannot be explained in terms of physical things because the link between them is contingent.
claimType-B materialism, also known as weak reductionism or a posteriori physicalism, posits that the hard problem of consciousness stems from human psychology rather than a genuine ontological gap between consciousness and the physical world.
perspectiveJoseph Levine considers the possibility that the explanatory gap between consciousness and the physical world is merely an epistemological problem for physicalism, rather than evidence that consciousness is non-physical.
claimIn 1983, philosopher Joseph Levine proposed that there is an explanatory gap between the understanding of the physical world and the understanding of consciousness.
Moving Forward on the Problem of Consciousness - David Chalmers consc.net 3 facts
claimDavid Chalmers proposes that a combination of experimental study, phenomenological investigation, and philosophical analysis will lead to systematic principles bridging the domains of consciousness and physical reality, eventually revealing underlying fundamental laws.
claimDavid Chalmers proposes a Russellian view where a pervasive intrinsic property of physical reality exists, which carries the structure and dynamics of physical theory but is not directly revealed by empirical investigation, enabling the existence of consciousness.
claimDavid Chalmers defines epiphenomenalism as the view that consciousness has no effect on the physical world.
Do all non-physicalist theories of consciousness face the interaction ... philosophy.stackexchange.com 3 facts
claimThe 'interaction problem' in dualism refers to the challenge of explaining where and how the interaction between the physical world and consciousness occurs.
claimDualism broadly posits two options regarding the relationship between the physical world and consciousness: either there is no interaction whatsoever between them, or there is interaction between them.
claimThe 'no interaction' version of dualism implies that sensory data cannot travel from the physical world to consciousness, and choices cannot travel from consciousness to the physical world, which makes the observed alignment between the physical world and conscious experience inexplicable.
Good Old-Fashioned Artificial Consciousness and the Intermediate ... frontiersin.org 3 facts
perspectiveThe author proposes that consciousness is the structure of the physical world itself, a perspective that has been explored in works by Perlovsky (2006, 2016).
perspectiveThe authors argue that progress in artificial consciousness is hampered by the 'hard problem' premise, which posits that consciousness is distinct from the physical world.
claimThe author argues that enactivist accounts of consciousness, which rely on an intermediate level of understanding and sensory-motor knowledge, fail to explain how such knowledge leads to conscious experience in a physical world.
Consciousness (Stanford Encyclopedia of Philosophy/Fall 2025 ... plato.stanford.edu 2 facts
claimModels of consciousness that treat consciousness as a fundamental property of physical reality often appeal to the role of the observer in the collapse of the wave function, where quantum reality collapses from a superposition of possible states to a single definite state upon measurement.
perspectiveHenry Stapp (1993) argued that quantum mechanics indicates consciousness is a fundamental property of physical reality that must be incorporated at the most basic level.
Panpsychism (Stanford Encyclopedia of Philosophy/Fall 2025 Edition) plato.stanford.edu 2 facts
perspectiveDualists believe consciousness exists outside the physical world, which creates difficulty in explaining how consciousness impacts a causally closed physical system.
claimDamian Aleksiev and Miri Albahari have focused on the challenge of deriving the physical world, or aspects of it, from facts about fundamental consciousness.
Resolving the evolutionary paradox of consciousness link.springer.com 2 facts
claimThe physical world being causally closed under quantum mechanics does not necessarily preclude consciousness from causing macrophysical occurrences such as human behaviors.
perspectiveWilliam James argued against epiphenomenalism (also known as automaton-theory), which is the metaphysical perspective that consciousness is not efficacious and does not affect the physical world.
Dualism (Stanford Encyclopedia of Philosophy/Winter 2016 Edition) plato.stanford.edu 1 fact
referenceN. Latham authored the article 'Chalmers on the addition of consciousness to the physical world', published in Philosophical Studies in 2000.
Panpsychism - Stanford Encyclopedia of Philosophy plato.stanford.edu 1 fact
claimDualism faces difficulty explaining how consciousness impacts a causally closed physical system if consciousness exists outside the physical world.
Panpsychism (Stanford Encyclopedia of Philosophy/Fall 2015 Edition) plato.stanford.edu 1 fact
perspectiveJohn Searle advocates that consciousness is a biological property whose conditions of emergence are comparable to the liquidity of water, while simultaneously suggesting that a revolution in the understanding of the physical world may be required to accommodate consciousness.
Theories and Methods of Consciousness biomedres.us 1 fact
claimMaterialists argue that consciousness is a functional illusion of the brain that allows human beings to experience material reality, but it should not be treated as a distinct ontological substance with phenomenal properties.