[HTML][HTML] REBUS and the anarchic brain: toward a unified model of the brain action of psychedelics

RL Carhart-Harris, KJ Friston - Pharmacological reviews, 2019 - Elsevier
This paper formulates the action of psychedelics by integrating the free-energy principle and
entropic brain hypothesis. We call this formulation relaxed beliefs under psychedelics …

A neurophenomenological approach to non-ordinary states of consciousness: hypnosis, meditation, and psychedelics

C Timmermann, PR Bauer, O Gosseries… - Trends in cognitive …, 2023 - cell.com
No contemporary unifying framework has been provided for the study of non-ordinary states
of consciousness (NSCs) despite increased interest in hypnosis, meditation, and …

Human brain effects of DMT assessed via EEG-fMRI

C Timmermann, L Roseman, S Haridas… - Proceedings of the …, 2023 - pnas.org
Psychedelics have attracted medical interest, but their effects on human brain function are
incompletely understood. In a comprehensive, within-subjects, placebo-controlled design …

Increased global integration in the brain after psilocybin therapy for depression

RE Daws, C Timmermann, B Giribaldi, JD Sexton… - Nature medicine, 2022 - nature.com
Psilocybin therapy shows antidepressant potential, but its therapeutic actions are not well
understood. We assessed the subacute impact of psilocybin on brain function in two clinical …

Trial of psilocybin versus escitalopram for depression

R Carhart-Harris, B Giribaldi, R Watts… - … England Journal of …, 2021 - Mass Medical Soc
Background Psilocybin may have antidepressant properties, but direct comparisons
between psilocybin and established treatments for depression are lacking. Methods In a …

Blinding and expectancy confounds in psychedelic randomized controlled trials

SD Muthukumaraswamy, A Forsyth… - Expert review of clinical …, 2021 - Taylor & Francis
Introduction: There is increasing interest in the potential for psychedelic drugs such as
psilocybin, LSD and ketamine to treat several mental health disorders, with a growing …

Treatment with psychedelics is psychotherapy: beyond reductionism

G Gründer, M Brand, LJ Mertens, H Jungaberle… - The Lancet …, 2024 - thelancet.com
Treatment of psychiatric disorders with psychedelic substances represents one of the most
promising current treatment approaches in psychiatry. Since its inception in the 1950s …

[HTML][HTML] Canalization and plasticity in psychopathology

RL Carhart-Harris, S Chandaria, DE Erritzoe… - …, 2023 - Elsevier
This theoretical article revives a classical bridging construct, canalization, to describe a new
model of a general factor of psychopathology. To achieve this, we have distinguished …

Quality of acute psychedelic experience predicts therapeutic efficacy of psilocybin for treatment-resistant depression

L Roseman, DJ Nutt, RL Carhart-Harris - Frontiers in pharmacology, 2018 - frontiersin.org
Introduction: It is a basic principle of the “psychedelic” treatment model that the quality of the
acute experience mediates long-term improvements in mental health. In the present paper …

Psychedelic effects of psilocybin correlate with serotonin 2A receptor occupancy and plasma psilocin levels

MK Madsen, PM Fisher, D Burmester… - …, 2019 - nature.com
The main psychedelic component of magic mushrooms is psilocybin, which shows promise
as a treatment for depression and other mental disorders. Psychedelic effects are believed …