File:EEG Spectral Power, Signal Diversity, and Cortical Traveling Waves of DMT.jpg

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From the study "Human brain effects of DMT assessed via EEG-fMRI"

Summary[edit]

Description
English: "Effects of DMT on EEG spectral power and signal diversity. (A) DMT-induced widespread decreases in alpha power and increases in signal diversity (estimated via Lempel–Ziv, [LZ]) plus delta and gamma power. (B) Whole-brain power spectra and signal diversity (LZc) showed consistent between-condition differences. (C) Minute-by-minute intensity ratings correlated positively with increases in delta power and LZs and negatively with global alpha and posterior beta power changes (•P < 0.01, ºP < 0.05, cluster corrected). (D) Temporally resolved effects of DMT on delta and alpha power, plus LZc (shaded areas correspond to epochs of between-condition statistical difference, P < 0.05, cluster corrected). The green trace reflects average subjective intensity ratings over time. (E) Significantly backward wave (BW) power and increased forward wave (FW) power was observed in the DMT versus placebo contrast (each condition was baseline corrected). (F) Correlation between LZc and “richness of the experience.” LZs = Lempel–Ziv per channel; LZc = Lempel–Ziv averaged across channels."
Date
Source https://www.pnas.org/doi/10.1073/pnas.2218949120
Author Authors of the study: Christopher Timmermann https://orcid.org/0000-0002-2281-377X c.timmermann-slater15@imperial.ac.uk, Leor Roseman, Sharad Haridas, Fernando E. Rosas https://orcid.org/0000-0001-7790-6183, Lisa Luan, Hannes Kettner, Jonny Martell https://orcid.org/0000-0002-4194-7669, David Erritzoe https://orcid.org/0000-0002-7022-6211, Enzo Tagliazucchi, Carla Pallavicini, Manesh Girn, Andrea Alamia https://orcid.org/0000-0001-9826-2161, Robert Leech https://orcid.org/0000-0002-5801-6318, David J. Nutt https://orcid.org/0000-0002-1286-1401, and Robin L. Carhart-Harris

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Date/TimeThumbnailDimensionsUserComment
current10:46, 5 May 2023Thumbnail for version as of 10:46, 5 May 20233,914 × 2,465 (1.2 MB)Prototyperspective (talk | contribs)Uploaded a work by Authors of the study: Christopher Timmermann https://orcid.org/0000-0002-2281-377X c.timmermann-slater15@imperial.ac.uk, Leor Roseman, Sharad Haridas, Fernando E. Rosas https://orcid.org/0000-0001-7790-6183, Lisa Luan, Hannes Kettner, Jonny Martell https://orcid.org/0000-0002-4194-7669, David Erritzoe https://orcid.org/0000-0002-7022-6211, Enzo Tagliazucchi, Carla Pallavicini, Manesh Girn, Andrea Alamia https://orcid.org/0000-0001-9826-2161, Robert Leech https://orcid.org/0...

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