Arquivos de Neuro-Psiquiatria
December 1, 2016
Hélio A G Teive, Francisco M B Germiniani, Pedro A Kowacs et al.
Three world-famous neurologists, Charcot and Mitchell, in the 19th century, and Lees, in this century, all of whom had great scientific curiosity, experimented with the psychoactive drugs hashish, mescal and yagé, respectively, in an attempt to increase their knowledge of neurological diseases and how the brain works.
Cell
October 20, 2016
Tian Hua, Kiran Vemuri, Mengchen Pu et al.
Cannabinoid receptor 1 (CB1) is the principal target of Δ9-tetrahydrocannabinol (THC), a psychoactive chemical from Cannabis sativa with a wide range of therapeutic applications and a long history of recreational use. CB1 is activated by endocannabinoids and is a promising therapeutic target for pain management, inflammation, obesity, and substance abuse disorders. Here, we present the 2.8 Å...
Psychopharmacology
October 2016
Zackary A Cope, Adam L. Halberstadt, Jordy Van Enkhuizen et al.
The five-choice serial reaction time task (5-CSRTT) is regularly used to study attention and impulsivity. In the 5-CSRTT, rodents initiate a trial, then after an inter-trial interval (ITI), a light appears in one of five holes. Responding in the lit vs. unlit hole reflects attention (accuracy), while responding prematurely before a light appears is suggested to reflect impulsivity/response...
Substance Abuse Treatment, Prevention, and Policy
September 23, 2016
Ling‐yi Feng, Wenjing Yu, Wei-Ting Chang et al.
49 citations
While the problem of methamphetamine still lingers, NPS have emerged as a new issue in both countries. However, the NPS pattern was different between Taiwan and Korea. Although the controlled NPS items in Taiwan were far less than those in Korea, the quantity of total NPS seizures, especially with ketamine, was much larger in Taiwan than in Korea. Different NPS pattern may also imply they were...
Asian Journal of Pharmaceutical and Clinical Research
September 1, 2016
Sisira Padavala, Devaraj Ezhilarasan
10 citations
ABSTRACTCompounds in some plants have remarkable effects on the central nervous system. Plants containing those compounds are mind altering orpsychoactive in nature. These are consumed in the form of simple or complex preparations to affect the mind or alter the state of consciousness.Psychoactivity may include sedative, stimulant, euphoric, deliriant, and hallucinogenic effects. Several...
Journal of Psychoactive Drugs
May 26, 2016
Amanda Amorin Nunes, Rafael G. Dos Santos, Flávia de Lima Osório et al.
92 citations
Recently, the anti-addictive potential of ayahuasca, a dimethyltryptamine(DMT)- and β-carboline-rich hallucinogenic beverage traditionally used by indigenous groups of the Northwest Amazon and currently by syncretic churches worldwide, has received increased attention. To better evaluate this topic, we performed a systematic literature review using the PubMed database to find quantitative...
Biological Psychiatry
April 1, 2016
Hui-Chen Lu, Ken Mackie
The endocannabinoid system (ECS) is a widespread neuromodulatory system that plays important roles in central nervous system development, synaptic plasticity, and the response to endogenous and environmental insults. The ECS comprises cannabinoid receptors, endogenous cannabinoids (endocannabinoids), and the enzymes responsible for the synthesis and degradation of the endocannabinoids. The most...
Biological Psychiatry
April 1, 2016
David W Volk, David A Lewis
Cannabis use has been reported to increase the risk of developing schizophrenia and to worsen symptoms of the illness. Both of these outcomes might be attributable to the disruption by cannabis of the endogenous cannabinoid system's spatiotemporal regulation of the inhibitory circuitry in the prefrontal cortex that is essential for core cognitive processes, such as working memory, which are...
Biological Psychiatry
April 1, 2016
Mohamed Sherif, Rajiv Radhakrishnan, Deepak Cyril D'Souza et al.
127 citations
Some of the most compelling evidence supporting an association between cannabinoid agonists and psychosis comes from controlled laboratory studies in humans. Randomized, double-blind, placebo-controlled, crossover laboratory studies demonstrate that cannabinoid agonists, including phytocannabinoids and synthetic cannabinoids, produce a wide range of positive, negative, and cognitive symptoms...
Journal of Substance Use
January 20, 2016
Stéphanie Baggio, Stanislas Spilka, Joseph Studer et al.
9 citations
Aims: This study investigated patterns and trajectories of substance use, with a special focus on illicit drugs other than cannabis. It examined both patterns and trajectories of use among a general population-based sample. Methods: We used data from the 2011 French ESCAPAD survey of French 17-year-olds to assess exposure and age of initiation of 14 licit and illicit drugs (N=23,882). Latent...