Karl John Friston
Professor of Imaging Neuroscience at University College London
Key Impact
A leading theoretical neuroscientist whose free-energy principle and active inference framework have been highly influential in modern psychiatry and in computational models of psychedelic states.
Background & Research
Karl John Friston is a British neuroscientist and theoretician at University College London. He is widely known for foundational contributions to brain imaging, including statistical parametric mapping, voxel-based morphometry, and dynamic causal modeling, and for developing the free-energy principle and active inference. His work has been applied to neuroscience, psychiatry, and recent theories of psychedelic effects on consciousness and ego dissolution.
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