Increased spontaneous MEG signal diversity for psychoactive doses of ketamine, LSD and psilocybin.

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Title

Increased spontaneous MEG signal diversity for psychoactive doses of ketamine, LSD and psilocybin.

Content partner

The University of Auckland Library

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ResearchSpace@Auckland

Description

What is the level of consciousness of the psychedelic state? Empirically, measures of neural signal diversity such as entropy and Lempel-Ziv (LZ) complexity score higher for wakeful rest than for states with lower conscious level like propofol-induced anesthesia. Here we compute these measures for spontaneous magnetoencephalographic (MEG) signals from humans during altered states of consciousness induced by three psychedelic substances: psilocybin, ketamine and LSD. For all three, we find rel...

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Format

Research paper

Research format

Journal article

Date created

2017-04-19

Creator

Schartner, Michael M / Carhart-Harris, Robin L / Barrett, Adam B / Seth, Anil K / Muthukumaraswamy, Suresh

URL

http://hdl.handle.net/2292/42787

Related subjects

Brain / Humans / Ketamine / Lysergic Acid Diethylamide / Hallucinogens / Magnetoencephalography / Brain Mapping / Consciousness / Healthy Volunteers / Surveys and Questionnaires / Psilocybin

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