File:EEG Spectral Power, Signal Diversity, and Cortical Traveling Waves of DMT.jpg
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DescriptionEEG Spectral Power, Signal Diversity, and Cortical Traveling Waves of DMT.jpg |
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/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:46, 5 May 2023 | 3,914 × 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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Horizontal resolution | 600 dpi |
Vertical resolution | 600 dpi |
Color space | Uncalibrated |
Image width | 3,914 px |
Image height | 2,465 px |
Date metadata was last modified | 19:04, 17 March 2023 |
File change date and time | 19:04, 17 March 2023 |
Date and time of digitizing | 20:33, 25 February 2023 |
Software used | Adobe Illustrator 26.3 (Windows) |
Unique ID of original document | uuid:5D20892493BFDB11914A8590D31508C8 |
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