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investigation of the phenomenology of ayahuasca in western clients, as well as possible implications for psychedelic-assisted psychotherapy. For this, the study aims to explore more comprehensively, the common structure of acute subjective experiences and

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research into perception and imagination. What once were dreams to Freud, today might be the psychedelic experience to phenomenologists and psychologists with a taste for phenomenology. In the past one-and-a-half decade, a new wave of psychedelic research

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In this article I draw attention to semiotic phenomenology as a method to advance translation studies. I recover this method first in the works of Ferdinand de Saussure and Edmund Husserl and then present it in two theories of translation: by linguist Roman Jakobson and by philosopher Jacques Derrida. These theories are examined to assert that Jakobson and Derrida share the semiotic phenomenological focus and thus should be considered co-contributors to the semiotic phenomenological method. I also show this method at work in some of the writings by Gilles Deleuze, who makes an explicit contribution to translation theory with his concepts of ‘faciality’, ‘simulacrum’, and ‘transsemiotics’ as well as his insistence on the pragmatic aspect of translation. The latter perspective is considered to be particularly fruitful for those studies of translation that presume its significance at different levels of sociality.

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A self-consistent mathematical model is proposed to describe the heat evolution during the hydration of inorganic binders. Such an approach reflects the sufficient role of the feedbacks in the systems under discussion. The principal physico-chemical reasons for the self-consistent description of the hydration kinetics are argued. To complete the phenomenology of the hydration of binders two more problems are solved: (i) quantitative determination of the characteristic periods of the hydration process, and (ii) the long-range forecast of integral heat evolution.

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Phenomenology and Comparative Literature

A kind of a fictitious letter to students

Author: György M. Vajda
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Journal of Psychedelic Studies
Authors: Eduardo Ekman Schenberg, Maria Angélica de Castro Comis, João Felipe Morel Alexandre, Luís Fernando Tófoli, Bruno Daniel Rasmussen Chaves and Dartiu Xavier da Silveira


This report documents the phenomenology of the subjective experiences of 22 patients with substance-related disorders who were involved in a treatment combining cognitive–behavioral therapy and hospital sessions with ibogaine in Brazil.


Participants underwent a one-to-one semi-structured interview exploring the subjective effects of ibogaine. We employed interpretative phenomenological analysis to identify relevant phenomenological categories, including physical sensations, perceptual (visual, auditory, and olfactory), emotional, cognitive, and spiritual. Participants also compared ibogaine with other drugs used in life, including psychedelics like ayahuasca, psilocybin mushrooms, and lysergic acid diethylamide.


The findings reveal that the subjective experience with ibogaine has similarities with other psychedelic substances, but also important differences. These include very strong and unpleasant physical effects as well as, at least in this patient population, a very difficult and challenging experience.


Overall, the descriptions involve heightened memory retrieval, specially related to drug abuse and the perception of one’s own future with or without drug use. Strong perceptual phenomena, especially dreamlike visions, were commonly reported. Based on Revonsuo’s evolutionary hypothesis for the function of dreams and of previous suggestions that ibogaine has oneiric properties, we suggest the subjective experience of drug-dependent patients elicited by ibogaine may be framed as simulations of threat and danger.

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phenomenology of the experiences and the depth of hypnosis: Comparison of direct and indirect induction techniques . International Journal of Clinical and Experimental Hypnosis , 41 ( 3 ), 225 – 233

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Phenomenology of polymorphism and topological pressure–temperature diagrams

Description of the phase relationship involving Atovaquone polymorphs I and III

Journal of Thermal Analysis and Calorimetry
Authors: René Ceolin and Ivo Rietveld


Although polymorphism of drug molecules is often studied with extensive and excellent experimental data, pressure appears to be a forgotten variable. In this article, an analysis is provided of the phase behavior of Atovaquone using available literature data. A pressure–temperature diagram is constructed topologically by way of the Clapeyron equation. The method leads to the conclusion that Atovaquone phase I and III behave enantiotropically, like α- and β-sulfur do in their paradigmatic P–T diagram, and that phase I is stable at room temperature and under “ordinary” pressure.

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Both sides of the story: Addiction is not a pastime activity

Commentary on: Scholars’ open debate paper on the World Health Organization ICD-11 Gaming Disorder proposal (Aarseth et al.)

Journal of Behavioral Addictions
Authors: Kai W. Müller and Klaus Wölfling

The proposed inclusion of Internet gaming disorder (IGD) into the upcoming ICD-11 has caused mixed reactions. Having a sound diagnostic framework for defining this new phenomenon has been applauded but concerns have risen regarding overpathologizing a mere pastime activity. The review by Aarseth et al. (2016) provides a fine but one-sided impression on IGD. What has been totally left out in the argumentation is the clinical perspective. Although the concerns depicted must not be ignored, the conclusion provided by the authors is reflecting quite subjective speculations while objectivity would rather be needful.

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