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Addiction: all studies

Page 715 of 869: studies 7,141 to 7,150 of 8,683, newest first. Back to the addiction overview

Research

Harm potential of magic mushroom use: a review.

Regulatory toxicology and pharmacology : RTP April 1, 2011 Jan Van Amsterdam, Antoon Opperhuizen, Wim van den Brink 208 citations

In 2007, the Minister of Health of the Netherlands requested the CAM (Coordination point Assessment and Monitoring new drugs) to assess the overall risk of magic mushrooms. The present paper is an updated redraft of the review, written to support the assessment by CAM experts. It summarizes the literature on physical or psychological dependence, acute and chronic toxicity, risk for public...

The preservation of in vivo phosphorylated and activated uncoupling protein 3 (UCP3) in isolated skeletal muscle mitochondria following administration of 3,4-methylenedioxymethamphetamine (MDMA aka ecstasy) to rats/mice.

Mitochondrion March 29, 2011 Orlagh M Kelly, Yvonne M McNamara, Lars H Manzke et al.

Previous researchers have demonstrated that 3,4-methylenedioxymethamphetamine (MDMA) induced hyperthermia, in skeletal muscle of animals, is uncoupling protein 3 (UCP3) dependent. In light of our investigations that in vivo phosphorylation of UCP1 is augmented under conditions of cold-acclimation, we set out to investigate whether (a) UCP3 was phosphorylated in vivo and (b) whether in vivo...

DOI: 10.1016/j.mito.2011.03.011 (opens in new tab) Full text (opens in new tab) Muscle, skeletal Animals Mice, inbred c57bl Rats, wistar +9

Editorial: Preface and Overview Second International MDMA ‘Ecstasy’ Conference in Australasia: Monash University, Melbourne, Australia

The Open Addiction Journal March 29, 2011 Jillian Helen Broadbear 1 citation

The Second International MDMA conference in Australasia was held at Monash University in Melbourne on July 18th-19th 2010.Research from over twenty universities was presented, in a program which included both oral papers and posters.The first Australasian MDMA conference was held earlier at the Brain Sciences Institute, Swinburne University, also in Melbourne.All attendees were active MDMA...

3,4-Methylenedioxymethamphetamine (MDMA) Induced Hyperthermia-The Role of Pro-Inflammatory Cytokines

The Open Addiction Journal March 29, 2011 Abdallah Salem 1 citation

Project Background The main MDMA-induced adverse effect is disruption of normal thermoregulation leading to life threatening hyperthermia which is exacerbated by high ambient temperature and linked to chronic neurotoxicity. Although the focus of the majority of research on MDMAinduced loss of thermoregulation has been on brain serotonergic and dopaminergic systems, results obtained from our...

Clozapine and SCH 23390 prevent the spatial working memory disruption induced by Δ9-THC administration into the medial prefrontal cortex.

Brain Research March 25, 2011 Lívia Carla de Melo Rodrigues, Catarine Lima Conti, Ester Miyuki Nakamura-Palacios

Marijuana (Cannabis sativa) is one of the most widely used illicit drugs in the world. Its use is associated with impairments in cognitive function. We previously reported that Δ(9)-tetrahydrocannabinol (Δ(9)-THC), the primary psychoactive component of marijuana, impaired spatial working memory in the radial maze task when injected intracortically (IC) into the medial prefrontal cortex (mPFC)...

Mechanisms underlying ketamine-induced synaptic depression in rat hippocampus-medial prefrontal cortex pathway.

Neuroscience March 17, 2011 H Kamiyama, M Matsumoto, S Otani et al.

The non-competitive N-methyl-D-aspartate NMDA receptor antagonist ketamine, a dissociative anesthetic capable of inducing analgesia, is known to have psychotomimetic actions, but the detailed mechanisms remain unclear because of its complex properties. The present study elucidated neural mechanisms of the effect of ketamine, at doses that exert psychotomimetic effects without anesthetic and...

Conflict Theory and the Analysis of Religious Experience

African Research Review March 17, 2011 Bac Obiefuna

This paper is a theoretical presentation of religious experience as thefundamental element of religion and in the study of religion(s). It states that religion or religiousness is a characteristic of human beings who have an attraction to an objective reality outside of humans but considered Ultimate, Divine, and Sacred in essence and action. Humans generally consider themselves dependent on...

Near-Death Experiences and the Possibility of Disembodied Consciousness Challenges to Prevailing Neurobiological and Psychosocial Theories

March 3, 2011 Cheryl L. Fracasso, H. Friedman

Claims from those having near-death experiences (NDEs), as well as those sympathetic to such claims, challenge the prevailing assumption that consciousness is dependent on a functioning brain. Extant theories, both neurobiological and psychosocial, that attempt to explain NDEs are examined and found unable to adequately account for the full range of NDE reports, especially electromagnetic...

Addicted to Bliss: Looking for Ecstasy in All the Wrong Places

NeuroQuantology March 2, 2011 Stanley Krippner, Dustin Dunbar 3 citations

Ecstasy (from the Greek, ekstasis: distraction; derangement; astonishment) is defined by dictionaries as (1) an emotional state so intense that one is carried beyond rational thought or self-control; (2) rapture associated with mystical experience. In this essay, we take the position that “addiction” is a social construct, a term that reflects a societal convention as much or more so that its...

Fractionating the Default Mode Network: Distinct Contributions of the Ventral and Dorsal Posterior Cingulate Cortex to Cognitive Control

Journal of Neuroscience March 2, 2011 Robert Leech, Salwa Kamourieh, Christian Beckmann et al. 801 citations

The posterior cingulate cortex (PCC) is a central part of the default mode network (DMN) and part of the structural core of the brain. Although the PCC often shows consistent deactivation when attention is focused on external events, anatomical studies show that the region is not homogeneous, and electrophysiological recordings in nonhuman primates suggest that it is directly involved in some...