Mois : février 2020

Psychological Explorations of the Magic Mushroom (Psilocybin) Experience, Part II : Neuropsychological Measures José Arturo Costa Escobar & Antonio Roazzi, 2011

Psychological Explorations of the Magic Mushroom (Psilocybin) Experience, Part II : Neuropsychological Measures José Arturo Costa Escobar, M.S., Antonio Roazzi, Ph.D. Neurobiologia, 2011, 74, (3-4), 99-112.   ABSTRACT Some investigations conducted with psilocybin and mushrooms of the Psilocybe genus on the human mind point to a peculiarity of these substances to promote a special state of consciousness. The present study measured the effects of dehydrated magic mushrooms on human visual processes and memory utilizing tasks in a pre- and post-test form. We observed defi cits in visual working memory and these results were consistent with other, recent psilocybin studies. However this and other visual mechanisms [...]

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Changes in Spirituality Among Ayahuasca Ceremony Novice Participants, Stephen M. Trichter, 2006

Changes in Spirituality Among Ayahuasca Ceremony Novice Participants Stephen M. Trichter A Clinical Research Project Submitted to the Faculty of Argosy University, San Francisco Bay Area In partial fulfillment of the requirements for The degree of Doctor of Psychology Point Richmond, California Copyright May 2006 _____________________________   CHAPTER I : INTRODUCTION Context of the Problem Psychiatry and clinical psychology have developed with the aim of relieving maladaptive psychological symptoms, partially through the use of medical technology. Presently, the field encourages the use of anti-depressants, anti-anxiety agents, and antipsychotics to relieve symptoms from which patients suffer. Despite continuous breakthroughs in psychiatric medicine, many writers feel that this approach is questionable. For [...]

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The evolutionary neuroanthropology of consciousness : exploring the diversity of conscious states across cultures. An interview with Michael Winkelman, Michael Winkelman & Martin E. Fortier, 2019

The evolutionary neuroanthropology of consciousness : exploring the diversity of conscious states across cultures. An interview with Michael Winkelman. Michael Winkelman & Martin E. Fortier ALIUS Bulletin, 2019, 3, 45-97. doi : 10.34700/krg3-zk35   Abstract In this interview, Michael Winkelman and Martin Fortier discuss the extent to which consciousness is grounded in deep evolutionary mechanisms and can be enculturated. First, the main tenets of two neuroanthropological approaches to consciousness and culture are outlined. Next, the upsides and downsides of evolutionary psychology are examined; the fruitfulness of this approach in the study of cultural phenomena such as shamanism is debated. The authors then discuss the promises of [...]

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Sense of reality, metacognition and culture in schizophrenic and drug-induced hallucinations, Martin Fortier, 2018

Sense of reality, metacognition and culture in schizophrenic and drug-induced hallucinations :  An interdisciplinary approach Martin Fortier In J. Proust & M. Fortier (Eds.) : "Metacognitive Diversity : An Interdisciplinary Approach", 2018. Oxford/New York, Oxford University Press.   Abstract Hallucinations possess two main components : (i) a sensory content; and (ii) a sense that the sensory content is real. Influential models of schizophrenic hallucination claim that both the sensory content and the sense of reality can be explained in terms of metacognitive dysfunction. This chapter assesses whether such a claim holds for schizophrenic and drug-induced hallucinations; it further attempts to determine the actual role of metacognition [...]

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