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The Entropic Brain: A Theory of Conscious States Informed by Neuroimaging Research with Psychedelic Drugs

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Altered States PsychedelicsConsciousnessEntropy

By Robin L. Carhart-Harris and Karl J. Friston

Summary

Proposes the psychedelic state = increased entropy of brain signals (measured by Lempel-Ziv complexity). Primary states (psychedelics, dreaming, early psychosis) = high entropy; secondary states (ordinary waking) = low entropy.

Why It Matters

Provides a unified neurodynamic framework for comparing all altered states on a single entropy continuum.

Notes

This entry is a seed import from the Phase 1 Knowledge Inventory. It has not yet been manually reviewed.