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Consciousness and spintronic coherence in microtubules.

Majid Beshkar

Commun Integr Biol October 21, 2025 DOI: 10.1080/19420889.2025.2576334 via PubMed Central

Summary

AI-generated from the abstract

Microtubules, nanoscale structures within neurons, can act as spintronic oscillators with memristive properties. Under specific conditions in the axon initial segment, these properties allow quantum coherence to emerge spontaneously in a population of microtubules. According to QBIT theory, this spontaneous coherence is both necessary and sufficient for the brain to generate a micro-consciousness, or quale. The simultaneous generation of multiple qualia through synchronized activity across different parts of the cerebral cortex creates the appearance of a unified macro-consciousness, or a seemingly unified subjective experience.

Study at a glance

Characteristics Theoretical or philosophical paper Peer reviewed
Key finding Spontaneous quantum coherence in microtubules within the axon initial segment is proposed as the necessary and sufficient condition for generating qualia, and synchronized activity across the cerebral cortex creates a unified macro-consciousness.

Abstract

Microtubules are nanoscale spintronic oscillators with memristive properties. Spintronic and memristive effects, together with some unique conditions found in the axon initial segment (AIS), allow quantum coherence to emerge spontaneously in a population of microtubules located within the AIS. According to the QBIT theory, the spontaneous emergence of coherence in a population of microtubules is the necessary and sufficient condition for the generation of a micro-consciousness (a quale) by the brain. Simultaneous generation of multiple qualia by synchronized activity in different parts of the cerebral cortex gives rise to the appearance of a macro-consciousness: a seemingly unified subjective experience.

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