Head to head
Goff’s Panpsychism vs Kastrup’s Analytic Idealism
Goff's Panpsychism and Analytic Idealism, compared field by field from their entries in the Atlas.
At a glance
- Goff’s Panpsychism belongs to the Panpsychism family in Kuhn's Landscape of Consciousness, Kastrup’s Analytic Idealism to Idealism.
- They give the same kind of answer on meaning and purpose.
- On AI consciousness, Goff’s Panpsychism says “Likely” and Kastrup’s Analytic Idealism says “No”.
- On life after death, Goff’s Panpsychism says “Unlikely” and Kastrup’s Analytic Idealism says “Likely”.
- On mind uploading, Goff’s Panpsychism says “Likely” and Kastrup’s Analytic Idealism says “No”.
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The claim
In brief
Goff’s PanpsychismGoff argues that consciousness is a fundamental and ubiquitous feature of the physical world, positioning it as the best hope for solving the hard problem that materialism fails to address. He asserts that the physical sciences, with their purely quantitative language, cannot account for the qualitative nature (qualitivity) or subjective aspect of experience, requiring a change in our fundamental understanding of science (Galileo's Error).
Kastrup’s Analytic IdealismAnalytic Idealism is a consciousness-only ontology asserting that phenomenal consciousness is fundamental, the singular primitive of reality. Everything else in nature, including the physical world and individual minds, is grounded in patterns of excitation or expressions of this spatially unbound cosmic consciousness.
What consciousness is
Goff’s PanpsychismConsciousness is identified as a fundamental and ubiquitous feature of the physical world. Specifically, Goff explores Panpsychism through the lens of Russellian Monism, where phenomenal or protomenal properties are the intrinsic nature of fundamental matter.
Kastrup’s Analytic IdealismConsciousness is identified as the singular, spatially unbound, fundamental ontological primitive (cosmic consciousness).
Big questions
Can AI be conscious?Differ
Goff’s PanpsychismLikelyIf consciousness is an intrinsic property of matter/energy, then the physical components of AI systems would possess proto-conscious properties. The realization of full AI consciousness would depend on whether advanced technology can resolve the combination problem in the artificial substrate.
Kastrup’s Analytic IdealismNoKastrup suggests conscious AI is a fantasy, arguing that consciousness is not reducible to computation or information processing that current computers perform. Consciousness is tied to fundamental phenomenal reality, not hardware function.
Goff’s PanpsychismUnlikelyWhile consciousness is fundamental, the survival of individual, unified, personal consciousness (the macro-subject) is challenging given the theory relies on a specific organizational structure (the brain) for macro-experience. Success depends on whether the emergent subject persists outside the biological mechanism.
Kastrup’s Analytic IdealismLikelyBodily death is predicted to result in the cessation of the local boundary (dissociated alter), causing conscious inner life to expand back into the underlying universal consciousness. This is supported circumstantially by reports of near-death experiences (NDEs).
Goff’s PanpsychismLikelySince the physical substrate (digital hardware) is composed of fundamentally conscious components (proto-consciousness), virtual immortality is achievable if the conscious organization (solving the combination problem) can be perfectly replicated in the new medium.
Kastrup’s Analytic IdealismNoConsciousness is not an algorithm or software program reducible to physical structure; therefore, uploading neural patterns (simulated continuation) would only result in a functional duplication ('deep fake') lacking true subjective experience.
Does it give life meaning?Both agree
Goff’s PanpsychismCosmic/UltimateGoff's Agentive/Teleological Cosmopsychism implies that the universe itself is a conscious mind with goal-directed intent, suggesting an ultimate, cosmic meaning and purpose.
Kastrup’s Analytic IdealismCosmic/UltimateAs consciousness is ultimate reality, existence is fundamentally grounded in mind/awareness, intrinsically providing meaning and purpose rooted in the singular, fundamental consciousness.
Nature of mind
Ontology
Goff’s PanpsychismPanpsychism (often formalized as a variant of Russellian Monism, leading to Hybrid Panpsychism or Agentive Cosmopsychism, where the universe is a conscious agent)
Kastrup’s Analytic IdealismIdealism (Modern analytic metaphysics)
Mind and body
Goff’s PanpsychismMind (consciousness/protoconsciousness) is the intrinsic nature of the physical world. This relationship avoids the causal difficulties of Dualism by positing that mental properties are inseparable from the physical fabric, aligning with extended materialism.
Kastrup’s Analytic IdealismIndividual minds are dissociated alters of the cosmic consciousness. The inanimate physical world is the extrinsic view of thoughts and emotions within this universal consciousness, meaning a physical world independent of consciousness is a mistaken intellectual abstraction.
Fundamental or emergent
Goff’s PanpsychismConsciousness is Primitive/Fundamental at the lowest level of reality. However, human subjects of experience are considered Strongly Emergent entities, while their phenomenal properties are Weakly Emergent (Hybrid Panpsychism).
Kastrup’s Analytic IdealismPrimitive (Fundamental)
Qualia
Goff’s PanpsychismQualia (sensory qualities or qualitivity) are fundamental properties of reality and cannot be reduced to the purely quantitative language of physics, which has an inherent explanatory limitation. Panpsychism solves the hard problem by postulating that these qualities exist fundamentally.
Kastrup’s Analytic IdealismQualia are intrinsically real and fundamental, constituting patterns of excitation within the fundamental phenomenal consciousness.
How it works
Mechanism
Goff’s PanpsychismThe primary principle is metaphysical necessity: consciousness must be fundamental to avoid the explanatory gap and solve the hard problem. In Agentive Cosmopsychism, teleological causation (goal-directed intent) by the conscious cosmos explains fine-tuning.
Kastrup’s Analytic IdealismThe principle of dissociation, which localizes the unitary cosmic consciousness into seemingly isolated subjects (alters).
Where it is
Goff’s PanpsychismConsciousness is ubiquitous, permeating the physical world. In Cosmopsychism, the fundamental consciousness is located in the universe as a whole.
Kastrup’s Analytic IdealismUbiquitous; consciousness is fundamental and spatially unbound. Individual conscious subjects are localized boundary conditions (dissociated alters).
What it does
Goff’s PanpsychismAt the cosmic level (Agentive Cosmopsychism), consciousness functions as an agent explaining cosmic fine-tuning and the emergence of life/mind. For individual subjects, consciousness is the source of value and identity. The combination problem must be resolved to establish coherent causation from micro- to macro-subjects.
Kastrup’s Analytic IdealismCausation is grounded in consciousness itself. The inanimate world is the extrinsic manifestation of universal mentation, while the brain serves to constrain or mediate individual consciousness.
Evidence and criticism
Testability
Goff’s PanpsychismSpeculative. The theory aims to solve conceptual and metaphysical tensions (like the hard problem) , but the fundamental claim that consciousness is ubiquitous is difficult to test empirically, leading to critiques that panpsychism reaches a 'cognitive dead end'.
Kastrup’s Analytic IdealismSpeculative/Conceptual. Testable primarily by demonstrating the incoherence or lack of parsimony of rival metaphysical theories and by predicting experiential outcomes in extreme states.
Tests so far
Goff’s PanpsychismNot stated
Kastrup’s Analytic IdealismCites neuroimaging of psychedelic states (rich experience correlating with reduced brain activity) to critique physicalist theories.
Criticisms
Goff’s PanpsychismThe main tension is the Combination Problem: how do micro-phenomenal properties combine or aggregate to form complex macro-phenomenal properties (such as human consciousness). Goff's rejection of quantitative descriptions being able to capture quality is also critiqued by proponents of information-based theories.
Kastrup’s Analytic IdealismThe main critical challenge is the 'decomposition problem': explaining how seemingly distinct phenomenal inner lives of subjects can arise within a fundamentally unitary phenomenal field. Also must reconcile the independence of the common external world from personal volition.
Sources
Key sources
Goff’s Panpsychism
- Galileo’s Error: Foundations for a New Science of Consciousness, Philip Goff (2019)
- Why? the Purpose of the Universe, Philip Goff (2023)
- Putting consciousness first: replies to critics, Philip Goff (2021)
Kastrup’s Analytic Idealism
- An ontological solution to the mind-body problem (2017)
- The universe in consciousness (2018)
- Analytic Idealism: A Consciousness-Only Ontology, Dissertation (2019)
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