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Addiction: all studies

Page 724 of 857: studies 7,231 to 7,240 of 8,563, newest first. Back to the addiction overview

Research

Cocaine, metamfetamine, and MDMA abuse: the role and clinical importance of neuroadaptation.

Clinical Toxicology August 2010 Donna Seger

This article reviews the role and clinical importance of specific neuroadaptations that may occur following use of cocaine, metamfetamine, and 3,4,methylenedioxymetamfetamine (MDMA). A literature search was performed using OVID MEDLINE and PubMed for all years to the present date, which identified 250 papers of which 154 were considered relevant. MECHANISMS OF ACTION OF COCAINE AND...

Effects of a Near-Death Experience Learning Module on Grief

August 1, 2010 Ryan D. Foster

The researcher examined the effectiveness of a near-death experience (NDE) learning module on reducing distressing aspects and enhancing a growth aspect of grief among bereaved adults. Participants were 22 females and 2 males; 2 identified as African American, 3 as Asian, 2 as Latina/o, and 17 as White; aged 20 to 71 years with mean age 35.3 years. In this experimental design, the researcher...

Interaction of drugs of abuse and maintenance treatments with human P-glycoprotein (ABCB1) and breast cancer resistance protein (ABCG2).

The International Journal of Neuropsychopharmacology August 1, 2010 Nicolas Tournier, Lucie Chevillard, Bruno Mégarbane et al. 122 citations

Drug interaction with P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP) may influence its tissue disposition including blood-brain barrier transport and result in potent drug-drug interactions. The limited data obtained using in-vitro models indicate that methadone, buprenorphine, and cannabinoids may interact with human P-gp; but almost nothing is known about drugs of abuse and...

Cognitive Systems and the Extended Mind * By ROBERT D. RUPERT

Analysis July 30, 2010 John Preston

Robert Rupert’s book is a thorough examination of a family of views of cognition that have emerged from recent work in what is sometimes called ‘situated’ cognitive science, that is, the kind of cognitive science that tries to take seriously the thought that human cognition is an achievement of creatures with a certain kind of body, which exist in relationships to their physical environment....

Ecstasy (MDMA)-addicted subjects show increased serum levels of brain-derived neurotrophic factor, independently from a rise of drug-induced psychotic symptoms.

Addiction Biology July 2010 Francesco Angelucci, Valerio Ricci, Giovanni Martinotti et al.

The recreational drug 'ecstasy'[3,4-methylenedioxymethamphetamine (MDMA)] exerts a potent action on central serotonergic and dopaminergic neurons. These neurons utilize neurotrophins for their survival and function. In order to explore MDMA effects on neurotrophins, we measured by enzyme-linked immunosorbent assay the serum levels of brain-derived neurotrophic factor (BDNF) and nerve growth...

A model for memory systems based on processing modes rather than consciousness.

Nature reviews. Neuroscience July 2010 Katharina Henke

Prominent models of human long-term memory distinguish between memory systems on the basis of whether learning and retrieval occur consciously or unconsciously. Episodic memory formation requires the rapid encoding of associations between different aspects of an event which, according to these models, depends on the hippocampus and on consciousness. However, recent evidence indicates that the...

Rimonabant-induced Delta9-tetrahydrocannabinol withdrawal in rhesus monkeys: discriminative stimulus effects and other withdrawal signs.

Journal of Pharmacology and Experimental Therapeutics July 2010 Jennifer L. Stewart, Lance R Mcmahon

Marijuana-dependent individuals report using marijuana to alleviate withdrawal, suggesting that pharmacotherapy of marijuana withdrawal could promote abstinence. To identify potential pharmacotherapies for marijuana withdrawal, this study first characterized rimonabant-induced Delta(9)-tetrahydrocannabinol (Delta(9)-THC) withdrawal in rhesus monkeys by using drug discrimination and directly...

Varieties of Medical Treatment and Hierarchies of Resort in Johan Turi’s Sámi deavsttat

Journal of Northern Studies July 1, 2010 Thomas A. DuBois 4 citations

Johan Turi’s Sámi deavsttat/Lappish Texts (1918–1919) is examined as a source of information regarding early twentieth-century Sami healing methods and hierarchies of medical resort. Turi’s account of traditional and personal healing experiences in the Čohkkeras/Jukkasjärvi district reflects complex processes of intercultural exchange and hybridization, in which Sami families availed themselves...

Effects of monoamine oxidase inhibitor and cytochrome P450 2D6 status on 5-methoxy-N,N-dimethyltryptamine metabolism and pharmacokinetics.

Biochemical Pharmacology July 1, 2010 Hong-Wu Shen, Chao Wu, Xi-Ling Jiang et al. 40 citations

5-Methoxy-N,N-dimethyltryptamine (5-MeO-DMT) is a natural psychoactive indolealkylamine drug that has been used for recreational purpose. Our previous study revealed that polymorphic cytochrome P450 2D6 (CYP2D6) catalyzed 5-MeO-DMT O-demethylation to produce active metabolite bufotenine, while 5-MeO-DMT is mainly inactivated through deamination pathway mediated by monoamine oxidase (MAO). This...

DOI: 10.1016/j.bcp.2010.02.020 (opens in new tab) Full text (opens in new tab) Drug metabolism Biotransformation Pharmacokinetics Drug processing +13