Head to head
Goff’s Panpsychism vs Hoffman’s Conscious Realism
Goff's Panpsychism and Hoffman’s Conscious Realism: The Case Against Reality, 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, Hoffman’s Conscious Realism to Idealism.
- They give the same kind of answer on AI consciousness, mind uploading and meaning and purpose.
- On life after death, Goff’s Panpsychism says “Unlikely” and Hoffman’s Conscious Realism says “Likely”.
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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).
Hoffman’s Conscious RealismThis theory asserts that evolution selects for survival and reproductive fitness, not for veridical perception of reality; consequently, spacetime and physical objects function merely as an 'interface' or illusion guiding adaptive behavior. Ultimate reality is fundamentally composed of interacting conscious agents and their experiences, which are primary to, and generative of, the physical world.
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.
Hoffman’s Conscious RealismConsciousness is identified as the fundamental reality, structured as a vast social network of interacting 'conscious agents' and their experiences.
Big questions
Can AI be conscious?Both agree
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.
Hoffman’s Conscious RealismLikelyAs consciousness is fundamental (Idealism), it is not restricted to biological matter. If an artificial system achieves the organizational complexity characteristic of a 'conscious agent', it could potentially tap into the fundamental consciousness field, regardless of its physical substrate.
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.
Hoffman’s Conscious RealismLikelySince consciousness is fundamental and generates the physical interface, the individual conscious agent is likely to persist beyond the disintegration of the biological body/interface.
Could a mind be uploaded?Both agree
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.
Hoffman’s Conscious RealismLikelyIf the brain is merely an interface for fundamental consciousness, virtual immortality becomes a matter of reproducing the necessary structures or functions (the 'icon' or interface) needed to manifest the individual conscious agent in a non-biological medium.
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.
Hoffman’s Conscious RealismCosmic/UltimateIdealism fundamentally supports ultimate meaning and purpose. Reality is composed of interacting conscious agents whose existence and actions (influencing other agents) imply inherent value and purpose.
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)
Hoffman’s Conscious RealismIdealism
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.
Hoffman’s Conscious RealismConsciousness is fundamental and creates spacetime and objects, reversing the conventional arrow of causation. Brain activity correlates with mental states because consciousness creates the brain activity/physical world interface.
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).
Hoffman’s Conscious RealismPrimitive
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.
Hoffman’s Conscious RealismQualia are implied to be the fundamental experiences inherent to the conscious agents, which are then translated into simplistic icons (like colors or objects) within the spacetime interface.
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.
Hoffman’s Conscious RealismThe principle of evolution favoring fitness over veridical perception leads to the construction of a simplified, illusionary 'interface' (spacetime and physical objects) that guides adaptive behavior.
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.
Hoffman’s Conscious RealismConsciousness is fundamental in the universe. It is not a product of space and time or anything inside space and time; spacetime is merely a format for conscious experiences (the interface).
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.
Hoffman’s Conscious RealismConsciousness is causally fundamental. The functional role of the perceived physical world is solely to enhance fitness and reproductive success by guiding behavior.
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'.
Hoffman’s Conscious RealismHighly speculative/ontological. Conceptually testable via the mathematical formulation of consciousness agents. Empirical evidence relies on common perceptual illusions (reinterpreted to support Idealism).
Tests so far
Goff’s PanpsychismNot stated
Hoffman’s Conscious RealismNot stated
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.
Hoffman’s Conscious RealismCriticized for interpreting empirical evidence (like user illusions) diametrically opposite to materialist accounts (such as Dennett's and Graziano's eliminative materialism). It requires reversing the conventional causal relationship between brain and mind.
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)
Hoffman’s Conscious Realism
- The Case against Reality: How Evolution Hid the Truth from Our Eyes, D. Hoffman (2019)
- Conscious realism and the mind-body problem, D. Hoffman (2008)
- Fact, fiction, and fitness, C. Prakash, C. Fields, D.D. Hoffman, R. Prentner, M. Singh (2020)
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