Robin Carhart-Harris
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Brain scans revealed a surprise: psychedelics work by quieting the brain, not revving it up.
Who they are
Robin Carhart-Harris, a neuroscientist formerly at Imperial College London, now at UCSF.
What they do
In the engine's read he built the scientific framework showing how psychedelics actually affect the brain.
How it works
Through fMRI studies of psilocybin, DMT, and LSD he developed the 'entropic brain' hypothesis and showed that psychedelics suppress the default mode network — meaning less brain activity produces more conscious experience — and led Imperial College's DMTx extended-state pilot trials; he has published 100+ papers.
Why it matters
His work established that psychedelics operate by removing a 'reducing valve' in the brain rather than generating hallucinations, reshaping the neuroscience of consciousness.
The engine's record — word for word
Imperial College London (now UCSF). Entropic brain hypothesis. fMRI studies of psilocybin/DMT/LSD. Demonstrated DMN suppression under psychedelics — less brain activity = more conscious experience. Led Imperial College DMTx extended-state pilot trials. Established the neuroimaging framework proving psychedelics operate by removing the reducing valve rather than generating hallucinations. Published 100+ papers reshaping neuroscience of consciousness.
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