The article outlines the main ideas of the archaeologist David Lewis-Williams and his contribution to the study of shamanism and the analysis of rock paintings. Author examines the depicted scenes, the process of the painting, as well as artifacts and ethnographic evidences of the alleged rituals. The reconstruction of rituals is accompanied by the Lewis-Williams’s conception of the spectrum of...
This chapter aimed to provide an overview of the large number of hallucinogens of natural origin. Following a literature review, the following hallucinogens were selected for a detailed description that considered their essential chemical groups: indoleamines ( N,N -dimethyltryptamine, 5-methoxy- N,N -dimethyltryptamine, bufotenine, psilocybin, and ibogaine), phenylethylamines (mescaline),...
The bodily self is a fundamental part of human self-consciousness and relies on online multimodal information and prior beliefs about one's own body. While the contribution of the vestibular system in this process remains under-investigated, it has been theorized to be important. The present experiment investigates the influence of conflicting gravity-related visual and bodily information on...
Статья посвящена рассмотрению видов практик общения с умершими, которые применяются в современных российских мистико-эзотерических сообществах. Проведена классификация видов данных практик, а также рассмотрены примеры содержания и форм, в которых они подаются. Выделены такие методы общения с умершими, как: общение при помощи технических средств и общение при помощи различных магических приемов....
The author Edgar Allan Poe is one of many artists who describe how it feels to live with major, involuntary changes of consciousness. Are the large upturns and downturns in his life attributable to a neurological conditions, or can substance use and depressive thoughts explain these fluctuations?
Found in cultures, spiritual traditions, and healing practices throughout the world, meditation is a mind-body practice with different approaches and variations, which began probably more than five thousand years ago. Since then it has developed and practiced to understand consciousness and improve health conditions. All these meditation techniques can be broadly classified under two...
Cet article vise à montrer que la bombe atomique a eu des effets psychotropes sur la conscience américaine. Il propose d’étendre la signification du terme « psychotrope » afin d’englober la tropologie de la bombe atomique et le tournant initié par l’apparition de la bombe au milieu du xx e siècle. L’analyse porte sur une variété d’exemples de « culture nucléaire » issus de la photographie, du...
Ketamine has been documented for its rapid antidepressant effects. However, optimal dose and delivery route have not yet been thoroughly investigated. The objectives of this study were to document the safety and test the antidepressant and antisuicidal effects of a single rapid 1-minute injection of ketamine 0.5 mg/kg in treatment-resistant depression (TRD). Ten patients with TRD were included...
With all the recent excitement about the resurgence of clinical research on the classic serotonergic psychedelics, in what has been labeled the psychedelic renaissance, it is easy to overlook a concurrent revolution taking place in the field of ketamine research. More than 50 years have passed since the synthesis of ketamine, and it remains today the most widely available compound with...
&NA; Critical dynamics are thought to play an important role in neuronal information‐processing: near critical networks exhibit neuronal avalanches, cascades of spatiotemporal activity that are scale‐free, and are considered to enhance information capacity and transfer. However, the exact relationship between criticality, awareness, and information integration remains unclear. To characterize...