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Addiction: all studies

Page 556 of 860: studies 5,551 to 5,560 of 8,594, newest first. Back to the addiction overview

Research

Comparison of antidepressant and side effects in mice after intranasal administration of (R,S)-ketamine, (R)-ketamine, and (S)-ketamine.

Pharmacology, Biochemistry, and Behavior June 1, 2019 Lijia Chang, Kai Zhang, Yaoyu Pu et al. 174 citations

The N-methyl-d-aspartate receptor (NMDAR) antagonist (R,S)-ketamine produces rapid and sustained antidepressant effects in treatment-resistant patients with depression although intranasal use of (R,S)-ketamine in ketamine abusers is popular. In March 5, 2019, nasal spray of (S)-ketamine for treatment-resistant depression was approved as a new antidepressant by the US Food Drug Administration....

Dopamine and serotonin antagonists fail to alter the discriminative stimulus properties of ±methylenedioxymethamphetamine

Behavioural Pharmacology June 1, 2019 Susan Schenk, Quenten Highgate 2 citations

Most studies on discriminative stimulus effects of 3,4-methylenedioxymethamphetamine (MDMA) have been conducted using a relatively low dose (1.5 mg/kg), and those studies have invariably implicated serotonergic mechanisms. In contrast, dopaminergic mechanisms mediate the discriminative stimulus effects of amphetamine (AMPH). Some studies have suggested that the discriminative stimulus effects...

Ayahuasca en el tratamiento de adicciones. Estudio de cuatro casos tratados en IDEAA, desde una perspectiva interdisciplinaria

Interdisciplinaria Revista de Psicología y Ciencias Afines June 1, 2019 Ismael Apud 6 citations

La ayahuasca es una sustancia psicoactiva de origen amazónico, usada tradicionalmente con fines espirituales, médicos y religiosos. En la década de los ‘90 adquiere gran popularidad, tanto a través de las redes internacionales de espiritualidad y religiosidad, como en el denominado renacimiento de los estudios psicodélicos, donde se retoma la investigación y experimentación sobre los posibles...

Strengthened Hippocampal Circuits Underlie Enhanced Retrieval of Extinguished Fear Memories Following Mindfulness Training.

Biological Psychiatry May 30, 2019 Gunes Sevinc, Britta K. Hölzel, Jonathan Greenberg et al.

Background: The role of hippocampus in context-dependent recall of extinction is well recognized. However, little is known about how intervention-induced changes in hippocampal networks relate to improvements in extinction learning. In this study, we hypothesized that mindfulness training creates an optimal exposure condition by heightening attention and awareness of present moment sensory...

Ayahuasca: Uses, Phytochemical and Biological Activities

Natural Products and Bioprospecting May 27, 2019 Edgar Antonio Estrella-Parra, Julio Cesar Almanza-Pérez, Francisco Javier Alarcón-aguilar 57 citations

Ayahuasca (caapi, yajé), is a psychoactive brew from the Amazon Basin region of South America traditionally considered a "master plant." It is prepared as a decoction from Banisteriopsis caapi and Psychotria viridis, which it is thought that it stimulates creative thinking and visual creativity. Native healers of the Orinoco and Amazon basins have used traditionally ayahuasca as a healing tool...

Psychedelic-assisted therapies: The past, and the need to move forward responsibly

International Journal of Drug Policy May 25, 2019 John Gardner, Adrian Carter, Kerry O’Brien et al. 23 citations

Recent clinical studies illustrate that psychedelics such as LSD and psilocybin may represent much-needed new treatment options for mood disorders and alcohol and other drug use disorders. More clinical studies are required to confirm the safety and efficacy of psychedelic-assisted therapies, but the cultural stigma that has surrounded psychedelics since the 1960s has hindered research. This...

Emotional Influences on Cognitive Flexibility Depend on Individual Differences: A Combined Micro-Phenomenological and Psychophysiological Study

Frontiers in Psychology May 24, 2019 Alejandra Vasquez-Rosati, Rodrigo Montefusco-Siegmund, Vladimir Lopez et al.

Imagine a scenario where you are cooking and suddenly, the contents of the pot start to come out, and the oven bell rings. You would have to stop what you are doing and start responding to the changing demands, switching between different objects, operations and mental sets. This ability is known as cognitive flexibility. Now, add to this scenario a strong emotional atmosphere that invades you...

DOI: 10.3389/fpsyg.2019.01138 (opens in new tab) Full text (opens in new tab) Cognitive flexibility Emotions Music Micro-phenomenological interview +2

Dark Classics in Chemical Neuroscience: Δ9-Tetrahydrocannabinol.

ACS Chemical Neuroscience May 15, 2019 Samuel D Banister, Jonathon C Arnold, Mark Connor et al.

Cannabis ( Cannabis sativa) is the most widely used illicit drug in the world, with an estimated 192 million users globally. The main psychoactive component of cannabis is (-)- trans-Δ9-tetrahydrocannabinol (Δ9-THC), a compound with a diverse range of pharmacological actions. The unique and distinctive intoxication caused by Δ9-THC primarily reflects partial agonist action at central...

Cessation and reduction in alcohol consumption and misuse after psychedelic use

Journal of Psychopharmacology May 14, 2019 Albert Garcia‐romeu, Alan K. Davis, Fire Erowid et al. 286 citations

Background: Meta-analysis of randomized studies using lysergic acid diethylamide (LSD) for alcohol use disorder (AUD) showed large, significant effects for LSD efficacy compared to control conditions. Clinical studies suggest potential anti-addiction effects of LSD and mechanistically-related classic psychedelics for alcohol and other substance use disorders. Aims: To supplement clinical...

DOI: 10.1177/0269881119845793 (opens in new tab) Psilocybin Psychedelics Hallucinogens Severe alcohol misuse +4

Return of the lysergamides. Part V: Analytical and behavioural characterization of 1‐butanoyl‐d‐lysergic acid diethylamide (1B‐LSD)

Drug Testing and Analysis May 13, 2019 Simon D. Brandt, Pierce V. Kavanagh, Folker Westphal et al. 72 citations

Abstract The psychedelic properties of lysergic acid diethylamide (LSD) have captured the imagination of researchers for many years and its rediscovery as an important research tool is evidenced by its clinical use within neuroscientific and therapeutic settings. At the same time, a number of novel LSD analogs have recently emerged as recreational drugs, which makes it necessary to study their...