Head to head
Chalmers’s Panpsychism vs Russellian Monism
Chalmers’s Panpsychism and Russellian Monism, compared field by field from their entries in the Atlas.
At a glance
- Chalmers’s Panpsychism belongs to the Panpsychism family in Kuhn's Landscape of Consciousness, Russellian Monism to Neutral Monism.
- Both treat consciousness as fundamental.
- They give the same kind of answer on meaning and purpose.
- On AI consciousness, Chalmers’s Panpsychism says “Conditional” and Russellian Monism says “Likely”.
- On life after death, Chalmers’s Panpsychism says “Uncertain” and Russellian Monism says “Conditional”.
- On mind uploading, Chalmers’s Panpsychism says “Uncertain” and Russellian Monism says “Likely”.
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The claim
In brief
Chalmers’s PanpsychismDavid Chalmers argues that consciousness may be a fundamental feature of physical reality, carried by the intrinsic properties of its most basic entities. He treats panpsychism, and its cousin panprotopsychism, as a synthesis of materialism and dualism, and holds that it would become the most promising answer to the mind-body problem if someone solves the combination problem.
Russellian MonismRussellian Monism posits that the physical world, described by physics only in terms of structure and relations, has an intrinsic nature (quiddities) that is phenomenal or proto-phenomenal. This approach integrates consciousness into the fundamental reality while avoiding the traditional problems of dualism and reductive materialism.
What consciousness is
Chalmers’s PanpsychismChalmers identifies consciousness with the intrinsic properties of fundamental physical entities, the categorical bases of the dispositions that physics describes. Physics tells us what basic entities do; on this view, phenomenal or protophenomenal properties are what they are.
Russellian MonismConsciousness (or proto-consciousness) is the intrinsic, categorical nature or property ('quiddities' or 'inscrutables') underlying the relational structure of physical reality described by physics.
Big questions
Can AI be conscious?Differ
Chalmers’s PanpsychismConditionalSince every physical system has phenomenal or protophenomenal properties at its base, an AI is built from the same ingredients as a brain. Whether it forms a unified conscious subject depends on how the unsolved combination problem is answered.
Russellian MonismLikelyIf consciousness is intrinsic to matter/energy, and the combination problem can be technologically harnessed, then artificial systems built from physical substrates should achieve consciousness.
Chalmers’s PanpsychismUncertainThe fundamental properties outlast any body, but nothing in the view says whether the particular combined subject survives once the brain's structure breaks down.
Russellian MonismConditionalSurvival is unlikely for the individual conscious aggregate unless the combination mechanism is preserved or the theory aligns with a cosmic monist view, as individual consciousness (the macroscopic combination) would likely dissolve upon biological death.
Chalmers’s PanpsychismUncertainAn upload would be made of the same fundamental properties, but whether it reconstitutes the same subject turns on the unsolved combination problem.
Russellian MonismLikelyA single-stuff reality should permit virtual immortality, provided advanced technology can manipulate and harness the micropsychic properties to accurately reproduce the macroscopic conscious aggregate digitally.
Does it give life meaning?Both agree
Chalmers’s PanpsychismUncertainPlacing experience in the basic fabric of nature gives it a cosmic footing, but Chalmers draws no conclusions about meaning or purpose.
Russellian MonismUncertainMonisms generally allow for ultimate meaning/purpose/value. If RM takes a priority monist form with evolving consciousness, cosmic purpose may be implied.
Nature of mind
Ontology
Chalmers’s PanpsychismPanpsychism (Russellian monism)
Russellian MonismNeutral Monism or Physical Monism or Phenomenal Monism (variant dependent); fundamentally Monistic.
Mind and body
Chalmers’s PanpsychismMind and matter are two sides of one fundamental stuff that has both physical and phenomenal properties. Chalmers places this ‘monism’ in the sixth of his six classes of views, the nonreductive ones that expand or reconceive physical ontology.
Russellian MonismMind and physical world are deeply intertwined, with mental properties constituting the intrinsic nature of fundamental physical entities (the categorical bases of physical dispositions).
Fundamental or emergent
Chalmers’s PanpsychismPrimitive
Russellian MonismPrimitive (at the fundamental level of reality, as phenomenal or proto-phenomenal properties of micro-entities).
Qualia
Chalmers’s PanpsychismQualia are real and irreducible. In the panpsychist version they exist in simple form at the fundamental level; in the panprotopsychist version, basic entities have protophenomenal properties that are not themselves experiences but can ground them.
Russellian MonismQualia correspond to the phenomenal properties (or their precursors) that constitute the intrinsic nature of fundamental matter.
How it works
Mechanism
Chalmers’s PanpsychismChalmers reasons dialectically. Materialism (thesis) meets dualism (antithesis) and yields panpsychism; panprotopsychism challenges it and yields Russellian monism; the combination problem then challenges Russellian monism, with no settled resolution yet.
Russellian MonismThe key principle is the existence of unobserved, intrinsic categorical properties ('quiddities') of matter that are phenomenal, thereby grounding consciousness in fundamental reality without expanding the physical ontology of relations.
Where it is
Chalmers’s PanpsychismThroughout physical reality, at the level of its most basic entities.
Russellian MonismLocated in the intrinsic properties of fundamental micro-level physical entities or potentially instantiated by the universe as a whole (priority monism).
What it does
Chalmers’s PanpsychismBecause phenomenal or protophenomenal properties are the categorical bases of physical dispositions, consciousness sits at the base of physical causation itself.
Russellian MonismAvoids the causal exclusion problem of dualism by embedding consciousness into the fundamental properties of the physical world, meaning consciousness underlies physical reality itself.
Evidence and criticism
Testability
Chalmers’s PanpsychismConceptually testable
Russellian MonismSpeculative/Conceptual. Its fundamental claims regarding intrinsic properties are generally beyond empirical access or mathematical modeling.
Tests so far
Chalmers’s PanpsychismNot stated
Russellian MonismNot stated
Criticisms
Chalmers’s PanpsychismThe combination problem is the central difficulty, and Chalmers concedes it is unsolved. He also calls panpsychism initially counterintuitive, holding that the sense of oddity fades on reflection.
Russellian MonismThe primary challenge is the combination problem, which is critical: explaining how microphysical properties combine to form complex, integrated macro-level consciousness. If Panprotopsychism is assumed, it faces the problem of deriving consciousness (qualia) from proto-phenomenal properties.
Sources
Key sources
Chalmers’s Panpsychism
- Chalmers’s Panpsychism, David Chalmers (Landscape of Consciousness entry)
Russellian Monism
- What is Russellian Monism?, T. Alter and Y. Nagasawa (2012)
- Russellian Monism, T. Alter and D. Pereboom (2019)
- Panpsychism and Panprotopsychism, D. Chalmers (2016)