orchestrated objective reduction

E340278

Orchestrated objective reduction is a controversial quantum theory of consciousness proposing that cognitive processes arise from quantum computations in brain microtubules that collapse due to an objective physical mechanism.

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Predicate Object
instanceOf controversial scientific theory
hypothesis in cognitive science
quantum mind theory
theory of consciousness
aimsToExplain binding of perceptual features
the hard problem of consciousness
unity of conscious experience
alsoKnownAs Orch-OR
associatedWith Orch-OR theory of consciousness
surface form: Penrose–Hameroff theory

quantum brain dynamics
basedOn objective reduction theory of quantum state collapse
quantum gravity considerations
claimsAbout cognitive processes
conscious experience
free will
non-computable aspects of cognition
component objective reduction threshold related to gravitational self-energy
orchestration by synaptic and dendritic activity
coreIdea consciousness arises from quantum computations in brain microtubules
quantum state reduction events are orchestrated by neurobiological processes
quantum state reduction is an objective physical process
criticizedBy many neuroscientists
many physicists
criticizedFor conflict with known decoherence times in the brain
lack of empirical evidence
unclear testable predictions
describedIn Shadows of the Mind
The Emperor's New Mind
various neuroscience and physics journal articles
field consciousness studies
neuroscience
quantum biology
theoretical physics
proposedBy Roger Penrose
Stuart Hameroff
proposesMechanism neural processes orchestrate timing and structure of quantum collapses
objective reduction events determined by spacetime geometry
orchestrated quantum state reductions in microtubules
relatedTo quantum gravity induced collapse models
quantum mind hypotheses
status controversial
highly speculative
timePeriodProposed 1990s
usesConcept microtubules
quantum coherence
quantum computation
quantum superposition
tubulin proteins
wavefunction collapse

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Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Roger Penrose theoryProposed orchestrated objective reduction
Orch-OR theory of consciousness hasAlternativeName orchestrated objective reduction
this entity surface form: Orchestrated Objective Reduction
Stuart Hameroff knownFor orchestrated objective reduction
this entity surface form: orchestrated objective reduction theory of consciousness