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https://www.readbyqxmd.com/read/28677095/the-effects-of-hallucinogens-on-gene-expression
#1
David A Martin, Charles D Nichols
The classic serotonergic hallucinogens, or psychedelics, have the ability to profoundly alter perception and behavior. These can include visual distortions, hallucinations, detachment from reality, and mystical experiences. Some psychedelics, like LSD, are able to produce these effects with remarkably low doses of drug. Others, like psilocybin, have recently been demonstrated to have significant clinical efficacy in the treatment of depression, anxiety, and addiction that persist for at least several months after only a single therapeutic session...
July 5, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28544975/-spiritual-but-not-religious-cognition-schizotypy-and-conversion-in-alternative-beliefs
#2
Aiyana K Willard, Ara Norenzayan
The spiritual but not religious (SBNR) are a growing population in secularizing societies. Yet, we know little about the underlying psychology of this group or their belief profile. Based on an individual difference approach, we address this knowledge gap by comparing SBNR with religious and non-religious participants. In a sample of Americans (n=1013), we find that the SBNR differ from non-religious and religious participants in a number of ways. SBNR participants are more likely to hold paranormal beliefs and to have an experiential relationship to the supernatural (e...
August 2017: Cognition
https://www.readbyqxmd.com/read/28447622/modern-clinical-research-on-lsd
#3
REVIEW
Matthias E Liechti
All modern clinical studies using the classic hallucinogen lysergic acid diethylamide (LSD) in healthy subjects or patients in the last 25 years are reviewed herein. There were five recent studies in healthy participants and one in patients. In a controlled setting, LSD acutely induced bliss, audiovisual synesthesia, altered meaning of perceptions, derealization, depersonalization, and mystical experiences. These subjective effects of LSD were mediated by the 5-HT2A receptor. LSD increased feelings of closeness to others, openness, trust, and suggestibility...
April 27, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28401522/classic-hallucinogens-and-mystical-experiences-phenomenology-and-neural-correlates
#4
Frederick S Barrett, Roland R Griffiths
This chapter begins with a brief review of descriptions and definitions of mystical-type experiences and the historical connection between classic hallucinogens and mystical experiences. The chapter then explores the empirical literature on experiences with classic hallucinogens in which claims about mystical or religious experiences have been made. A psychometrically validated questionnaire is described for the reliable measurement of mystical-type experiences occasioned by classic hallucinogens. Controlled laboratory studies show that under double-blind conditions that provide significant controls for expectancy bias, psilocybin can occasion complete mystical experiences in the majority of people studied...
March 26, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27938192/hyperreligiosity-in-malignant-brain-tumors-a-case-report-and-accompanying-bibliographic-review
#5
Alberto Carmona-Bayonas, Paula Jiménez-Fonseca, Carlos Vázquez Olmos, Juan Vega Villar
Religion is a complex cognitive process with biopsychosocial and cultural dimensions, product of the activation of different circuits of the neocortex. In some cases, religiosity can appear as a pathological correlate in patients with brain lesions in the areas involved. We present the clinical case of a patient with an astrocytoma in the right prefrontal region, with apparent inflammatory involvement of the right temporal lobe. This tumor debuted almost exclusively as an alteration of personality consisting of hyperreligiosity, logorrhea, and mystical experiences...
December 12, 2016: Neurocase
https://www.readbyqxmd.com/read/27909165/psilocybin-produces-substantial-and-sustained-decreases-in-depression-and-anxiety-in-patients-with-life-threatening-cancer-a-randomized-double-blind-trial
#6
Roland R Griffiths, Matthew W Johnson, Michael A Carducci, Annie Umbricht, William A Richards, Brian D Richards, Mary P Cosimano, Margaret A Klinedinst
Cancer patients often develop chronic, clinically significant symptoms of depression and anxiety. Previous studies suggest that psilocybin may decrease depression and anxiety in cancer patients. The effects of psilocybin were studied in 51 cancer patients with life-threatening diagnoses and symptoms of depression and/or anxiety. This randomized, double-blind, cross-over trial investigated the effects of a very low (placebo-like) dose (1 or 3 mg/70 kg) vs. a high dose (22 or 30 mg/70 kg) of psilocybin administered in counterbalanced sequence with 5 weeks between sessions and a 6-month follow-up...
December 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27909164/rapid-and-sustained-symptom-reduction-following-psilocybin-treatment-for-anxiety-and-depression-in-patients-with-life-threatening-cancer-a-randomized-controlled-trial
#7
Stephen Ross, Anthony Bossis, Jeffrey Guss, Gabrielle Agin-Liebes, Tara Malone, Barry Cohen, Sarah E Mennenga, Alexander Belser, Krystallia Kalliontzi, James Babb, Zhe Su, Patricia Corby, Brian L Schmidt
BACKGROUND: Clinically significant anxiety and depression are common in patients with cancer, and are associated with poor psychiatric and medical outcomes. Historical and recent research suggests a role for psilocybin to treat cancer-related anxiety and depression. METHODS: In this double-blind, placebo-controlled, crossover trial, 29 patients with cancer-related anxiety and depression were randomly assigned and received treatment with single-dose psilocybin (0...
December 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27719438/the-associations-of-naturalistic-classic-psychedelic-use-mystical-experience-and-creative-problem-solving
#8
Noah W Sweat, Larry W Bates, Peter S Hendricks
Developing methods for improving creativity is of broad interest. Classic psychedelics may enhance creativity; however, the underlying mechanisms of action are unknown. This study was designed to assess whether a relationship exists between naturalistic classic psychedelic use and heightened creative problem-solving ability and if so, whether this is mediated by lifetime mystical experience. Participants (N = 68) completed a survey battery assessing lifetime mystical experience and circumstances surrounding the most memorable experience...
November 2016: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/27714429/alterations-of-consciousness-and-mystical-type-experiences-after-acute-lsd-in-humans
#9
Matthias E Liechti, Patrick C Dolder, Yasmin Schmid
RATIONALE: Lysergic acid diethylamide (LSD) is used recreationally and in clinical research. Acute mystical-type experiences that are acutely induced by hallucinogens are thought to contribute to their potential therapeutic effects. However, no data have been reported on LSD-induced mystical experiences and their relationship to alterations of consciousness. Additionally, LSD dose- and concentration-response functions with regard to alterations of consciousness are lacking. METHODS: We conducted two placebo-controlled, double-blind, cross-over studies using oral administration of 100 and 200 μg LSD in 24 and 16 subjects, respectively...
May 2017: Psychopharmacology
https://www.readbyqxmd.com/read/27470427/measuring-the-subjective-revisiting-the-psychometric-properties-of-three-rating-scales-that-assess-the-acute-effects-of-hallucinogens
#10
José Carlos Bouso, Eduardo José Pedrero-Pérez, Sam Gandy, Miguel Ángel Alcázar-Córcoles
OBJECTIVE: In the present study we explored the psychometric properties of three widely used questionnaires to assess the subjective effects of hallucinogens: the Hallucinogen Rating Scale (HRS), the Mystical Experience Questionnaire (MEQ), and the Addiction Research Center Inventory (ARCI). METHODS: These three questionnaires were administered to a sample of 158 subjects (100 men) after taking ayahuasca, a hallucinogen whose main active component is N,N-dimethyltryptamine (DMT)...
September 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27378878/ego-dissolution-and-psychedelics-validation-of-the-ego-dissolution-inventory-edi
#11
Matthew M Nour, Lisa Evans, David Nutt, Robin L Carhart-Harris
AIMS: The experience of a compromised sense of "self", termed ego-dissolution, is a key feature of the psychedelic experience. This study aimed to validate the Ego-Dissolution Inventory (EDI), a new 8-item self-report scale designed to measure ego-dissolution. Additionally, we aimed to investigate the specificity of the relationship between psychedelics and ego-dissolution. METHOD: Sixteen items relating to altered ego-consciousness were included in an internet questionnaire; eight relating to the experience of ego-dissolution (comprising the EDI), and eight relating to the antithetical experience of increased self-assuredness, termed ego-inflation...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27340019/neurology-of-ecstatic-religious-and-similar-experiences-ecstatic-orgasmic-and-musicogenic-seizures-stendhal-syndrome-and-autoscopic-phenomena
#12
M Arias
All human experiences, including mystical and religious ones, are the result of brain functional activity. Thanks to the study of cases of ecstatic epilepsy with structural (MRI) and functional neuroimaging (fMRI, PET, SPECT) and neurophysiological technologies (recording and stimulation with intracranial electrodes), we now have a better knowledge of certain mental states which involve pleasant and affective symptoms and clarity of mind. These ecstatic experiences are thought to be caused by the activation of the anterior insular cortex and some neuronal networks (basically related to mirror neurons and salience) participating in introspection, social cognition, memory, and emotional processes...
June 20, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27258928/mysticism-and-schizophrenia-a-phenomenological-exploration-of-the-structure-of-consciousness-in-the-schizophrenia-spectrum-disorders
#13
REVIEW
Josef Parnas, Mads Gram Henriksen
Mysticism and schizophrenia are different categories of human existence and experience. Nonetheless, they exhibit important phenomenological affinities, which, however, remain largely unaddressed. In this study, we explore structural analogies between key features of mysticism and major clinical-phenomenological aspects of the schizophrenia spectrum disorders-i.e. attitudes, the nature of experience, and the 'other', mystical or psychotic reality. Not only do these features gravitate around the issue of the basic dimensions of consciousness, they crucially seem to implicate and presuppose a specific alteration of the very structure of consciousness...
July 2016: Consciousness and Cognition
https://www.readbyqxmd.com/read/27178238/out-of-body-experience-during-awake-craniotomy
#14
Eelke M Bos, Jochem K H Spoor, Marion Smits, Joost W Schouten, Arnaud J P E Vincent
BACKGROUND: The out-of-body experience (OBE), during which a person feels as if he or she is spatially removed from the physical body, is a mystical phenomenon because of its association with near-death experiences. Literature implicates the cortex at the temporoparietal junction (TPJ) as the possible anatomic substrate for OBE. CASE DESCRIPTION: We present a patient who had an out-of-body experience during an awake craniotomy for resection of low-grade glioma. During surgery, stimulation of subcortical white matter in the left TPJ repetitively induced OBEs, in which the patient felt as if she was floating above the operating table looking down on herself...
August 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26924970/ecstatic-epileptic-seizures-a-glimpse-into-the-multiple-roles-of-the-insula
#15
Markus Gschwind, Fabienne Picard
Ecstatic epileptic seizures are a rare but compelling epileptic entity. During the first seconds of these seizures, ecstatic auras provoke feelings of well-being, intense serenity, bliss, and "enhanced self-awareness." They are associated with the impression of time dilation, and can be described as a mystic experience by some patients. The functional neuroanatomy of ecstatic seizures is still debated. During recent years several patients presenting with ecstatic auras have been reported by others and us (in total n = 52); a few of them in the setting of presurgical evaluation including electrical brain stimulation...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/26631541/neural-correlates-of-mystical-experience
#16
Irene Cristofori, Joseph Bulbulia, John H Shaver, Marc Wilson, Frank Krueger, Jordan Grafman
Mystical experiences, or subjectively believed encounters with a supernatural world, are widely reported across cultures and throughout human history. Previous theories speculate that executive brain functions underpin mystical experiences. To evaluate causal hypotheses, structural studies of brain lesion are required. Previous studies suffer from small samples or do not have valid measures of cognitive functioning prior to injury. We investigated mystical experience among participants from the Vietnam Head Injury Study and compared those who suffered penetrating traumatic brain injury (pTBI; n=116) with matched healthy controls (HC; n=32)...
January 8, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/26442957/validation-of-the-revised-mystical-experience-questionnaire-in-experimental-sessions-with-psilocybin
#17
MULTICENTER STUDY
Frederick S Barrett, Matthew W Johnson, Roland R Griffiths
The 30-item revised Mystical Experience Questionnaire (MEQ30) was previously developed within an online survey of mystical-type experiences occasioned by psilocybin-containing mushrooms. The rated experiences occurred on average eight years before completion of the questionnaire. The current paper validates the MEQ30 using data from experimental studies with controlled doses of psilocybin. Data were pooled and analyzed from five laboratory experiments in which participants (n=184) received a moderate to high oral dose of psilocybin (at least 20 mg/70 kg)...
November 2015: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/26423064/ramakrishna-and-the-clinic-of-paradox
#18
Paulo H C Dias, Gilberto Safra
This study presents a clinical conception of the human being as the paradox between immanence and transcendence. Through an exposition of the clinical conceptions of Brazilian author Gilberto Safra, we search for an integral manner in which to understand mystical experience as a way to rethink the ontological conceptions inherent to clinical practice. In such perspective, we elaborate a critique of both the psychological-only approach to mystical experience as well as the spiritual-only approach. We present it through the life of Indian mystic Ramakrishna, by comparing the interpretation different authors make of his experiences and placing our own perspective...
December 2016: Journal of Religion and Health
https://www.readbyqxmd.com/read/26140993/the-universal-numbers-from-biology-to-physics
#19
REVIEW
Bruno Marchal
I will explain how the mathematicians have discovered the universal numbers, or abstract computer, and I will explain some abstract biology, mainly self-reproduction and embryogenesis. Then I will explain how and why, and in which sense, some of those numbers can dream and why their dreams can glue together and must, when we assume computationalism in cognitive science, generate a phenomenological physics, as part of a larger phenomenological theology (in the sense of the greek theologians). The title should have been "From Biology to Physics, through the Phenomenological Theology of the Universal Numbers", if that was not too long for a title...
December 2015: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/26009810/existential-crises-in-two-religious-patients-vicissitudes-of-faith-and-the-emergence-of-the-true-self
#20
Lucia Fattori, Cesare Secchi
The authors present two clinical cases involving an existential crisis which led the patients to lose what had been the foundation in their lives, their faith. Although the therapeutic settings differ--the first patient had a few psychotherapy sessions following a psychotic episode with a mystical background, while the second was in the final stage of analytic treatment - the authors highlight how in both clinical cases a loss of faith becomes a total and urgent crisis of the Self. The fracture which ensues seems to generate an intense engagement of the body which, paradoxically during a loss of faith, induces an experience of ecstasy of the kind that has traditionally been reported...
August 2015: International Journal of Psycho-analysis
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