Thursday, August 29, 2019

RElaxed Beliefs Under pSychedelics

Carhart-Harris & Friston 2019 – REBUS and the Anarchic Brain
REBUS is a (somewhat dubious) acronym for RElaxed Beliefs Under pSychedelics. The basic idea: psychedelics reduce the weight of held beliefs and increase the weight of incoming sensory input, allowing the beliefs to be more readily changed by the new sensory information.

Carhart-Harris & Friston theorize that the main thing psychedelics are doing is relaxing the weight of the brain’s top-down prediction-making (“REBUS”) and increasing the weight of the bottom-up sense information (“the Anarchic Brain”).

 

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