OBJECTIVE: Psychedelics are able to trigger highly intense and profound alterations in self-consciousness, perception, affective, and cognitive processes. Indeed, recent studies show that ketamine and psilocybin could be used as fast-acting antidepressants. However, the molecular and neurochemical mechanisms of these psychedelics and their actions at the lev...
This is a feasibility study to examine the use of use of Psilocybin (magic mushrooms) to alleviate pain in chronic neuropathic pain. While theoretical mechanisms demonstrate promise, there is no clinical evidence. This vacuum of clinical evidence has been occupied by a "psychedelic hype bubble" with media communications touting psychedelics as a 'miracle cur...
"Iracema comes with the pot full of the green liquor. The shaman decrees the dreams to each warrior and distributes the wine of jurema, which carries the brave Tabajara to heaven." José de Alencar, in his poetic novel “Iracema” (1865)1. IntroductionThe "wine of jurema", used in ancient Brazilian shamanic rituals, is rich in N,N-dimethyltryptamine (DMT), a na...
This study is an open-label, single-arm, proof-of-concept study, wherein treatment resistant bipolar depression (TRBD) participants will receive one 25 mg dose of oral psilocybin accompanied by preparatory, monitoring, and integration psychotherapy sessions (psilocybin-assisted psychotherapy, or PAP). Using fMRI (functional magnetic resonance imaging), the f...
Psilocybin is a classic psychedelic and a novel treatment for mood disorders. Psilocybin induces dose-dependent transient (4-6 hours) usually pleasant changes in perception, cognition, and emotion by non-selectively agonizing the 5-HT2A receptors and negatively regulating serotonin reuptake, and long-term positive antidepressant effect on mood and well-being...
Psychedelics, substances known to alter perception, mood, and consciousness, have been used across various cultures for centuries, often in religious ceremonies to facilitate spiritual experiences. Lysergic acid diethylamide (LSD) was used clinically from the 1950s until its ban in 1967. Recently, there has been a resurgence of interest in psychedelics for t...
Exploring the intricate relationship between brain's structure and function, and how this affects subjective experience is a fundamental pursuit in neuroscience. Psychedelic substances offer a unique insight into the influences of specific neurotransmitter systems on perception, cognition and consciousness. Specifically, their impact on brain function propag...
Abstract Microdosing psychedelics has garnered considerable attention within both nonprofessional circles and the scientific community in recent years. This method involves taking small, non-hallucinogenic doses of substances like LSD or psilocybin over weeks or months, purportedly to enhance specific behaviors, emotions, or address psychiatric conditions. E...
In this study, for the first time, we explored a dataset of functional magnetic resonance images collected during focused attention and open monitoring meditation before and after a five-day psilocybin-assisted meditation retreat using a recently established approach, based on the Mapper algorithm from topological data analysis. After generating subject-spec...
Psychedelics are mainly from the class of psychoactive substances whose action is to produce changes in the perception, mood, cognitive behavior, and processes of a person. This psychedelic drug creates an alteration in a person’s thinking, sense of time, and emotions. Hallucinations can be a main cause for people who take psychedelics. Mainly, these psyched...
Back to table of contents Previous article Next article Editor's DeskFull AccessPsychedelic Renaissance: Evidence and CultureAdrian Preda, M.D.Adrian Preda, M.D.Published Online:21 Mar 2024https://doi.org/10.1176/appi.pn.2024.04.4.39The ebb and flow of societal beliefs often resemble a pendulum's swing, oscillating between acceptance and rejection. This phen...
When Oregon's first psilocybin service center opened in June 2023, allowing those over 21 to take mind-altering mushrooms in a state-licensed facility, the psychedelic revival that had been unfolding over the past two decades entered an important new phase.Psilocybin is still illegal on the federal level. But now, as researchers explore the therapeutic poten...
Psilocybe cubensis is a species of psilocybin mushroom (magic mushroom) of moderate potency whose principal active compounds are psilocybin and psilocin. Recent studies have shown the significant procognitive and mood-enhancer effects of Psilocybe cubensis. However, evidence is so limited, especially in preclinical studies. We aimed to investigate the effect...
HISTORY In the early part of twentieth century, these molecules were known as psychotomimetics, meaning that they create a state similar to psychosis. Later on, they were also termed as hallucinogens, but psychedelics usually do not cause hallucinations at a therapeutic dose. The name psychedelics for these substances was first given by Osmond in 1957, meani...
The use of psychedelic substances has intrigued, benefited, and challenged humanity for millennia. These substances, found regularly in nature, are known to induce non-ordinary states of consciousness. They provide heightened sensory, emotional and cognitive experiences, which include augmented visual imagery, changes in thought, mood, and awareness, percept...
Classical serotonergic psychedelics such as lysergic acid diethylamide or the naturally occurring compounds psilocybin and mescaline produce profound changes in mood, thought, intuition, sensory perception, the experience of time and space, and even the experience of self. Research examining psychedelic compounds has had a complex and turbulent evolution. Ma...
Introduction Psilocybin is considered a classical psychedelic and is increasingly attracting scientific and media attention as an alternative approach to the treatment of various mental disorders. Apart from its efficacy, an important question is the tolerability and safety of psilocybin in general and in a controlled environment. Accurate knowledge of drug ...
Psychedelics offer a profound window into the functioning of the human brain and mind through their robust acute effects on perception, subjective experience, and brain activity patterns. In recent work using a receptor-informed network control theory framework, we demonstrated that the serotonergic psychedelics lysergic acid diethylamide (LSD) and psilocybi...
The classical psychedelic psilocybin is of interest as a treatment for alcohol use disorder (AUD). This study investigated the effects of psilocybin on voluntary ethanol consumption in adult male and female C57BL/6J mice administered saline or psilocybin intraperitoneally as a single dose of 0.1, 0.5, 1.0 or 2.0 mg/kg and provided 20% ethanol utilizing a two...
The recent increase in clinical research on the potential therapeutic uses of classic psychedelics has prompted the need to revisit the assessment of the abuse potential of these drugs. The term "classic psychedelic" is used in this manuscript to describe serotonergic 5-HT2A agonists that alter perception, cognition, and mood (i.e., psychedelic effects) and ...
