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Marie-Charlotte Gandolphe, Bérénice Lecluyse, Claire Triquet, Emmanuel Brunelle, Jean-Paul Duparcq, Jean-Louis Nandrino
OBJECTIVES: Impairments in social cognition have been described as playing a major role in the maintenance of addictive behavior in substance abusers. This study aimed to investigate the Theory of Mind (ToM) ability of opiate-dependent (OD) patients and to explore whether TOM ability was correlated with length of substance abuse, age at onset of substance abuse and length of abstinence. METHODS: OD patients (N = 29) and non-dependent individuals (NDI) (N = 29) were submitted to the Theory of Mind Assessment Scale (Th...
March 12, 2018: Comprehensive Psychiatry
Jie Han, Leslie A Goldstein, Wen Hou, Suman Chatterjee, Timothy F Burns, Hannah Rabinowich
Macroautophagy/autophagy has emerged as a resistance mechanism to anticancer drug treatments that induce metabolic stress. Certain tumors, including a subset of KRAS-mutant NSCLCs have been shown to be addicted to autophagy, and potentially vulnerable to autophagy inhibition. Currently, autophagy inhibition is being tested in the clinic as a therapeutic component for tumors that utilize this degradation process as a drug resistance mechanism. The current study provides evidence that HSP90 (heat shock protein 90) inhibition diminishes the expression of ATG7, thereby impeding the cellular capability of mounting an effective autophagic response in NSCLC cells...
March 21, 2018: Autophagy
Géraldine Coppin, David Sander, Alain Golay, Zoltan Pataky
Besides hormonal regulation of appetite and satiety, food intake depends on the activity of certain brain systems. Functional imaging studies are useful to better understand this central regulation of energy intake. Obesity is associated with increased brain responses to food stimuli at the level of the reward system. More specifically, studies have shown in obese individuals an increased motivation to obtain food reward as well as a decrease in pleasure during its actual consumption. Food consumption may be, in some instances, comparable to addiction, and be reflected by irresistible cravings for certain foods...
March 21, 2018: Revue Médicale Suisse
Michael F Orr, Crystal Lederhos Smith, Myles Finlay, Samantha C Martin, Olivia Brooks, Oladunni A Oluwoye, Emily Leickly, Michael McDonell, Ekaterina Burduli, Celestina Barbosa-Leiker, Matt Layton, John M Roll, Sterling M McPherson
Contingency management (CM) is associated with decreases in off-target drug and alcohol use during primary target treatment. The primary hypothesis for this trial was that targeting alcohol use or tobacco smoking would yield increased abstinence in the opposite, nontargeted drug. We used a 2 [CM vs. noncontingent control (NC) for alcohol]×2 (CM vs. NC for smoking tobacco) factorial design, with alcohol intake (through urinary ethyl glucuronide) and tobacco smoking (through urinary cotinine) as the primary outcomes...
March 20, 2018: Behavioural Pharmacology
A O Kibitov, L P Babicheva, N A Chuprova, A V Shchurina, R A Romashkin
AIM: To reveal objective factors predicting the readiness of inpatient drug treatment patients to undergo a rehabilitation program. MATERIAL AND METHODS: In a retrospective comparative study, drug-dependent individuals (n=199, 16.6% females, 83.4% men, 91.5% opioid-dependent) were studied. After conducting motivational activities based on cognitive-behavioral psychotherapy, the premorbid, anamnestic, clinical, socio-demographic characteristics of patients were studied as possible predictors of readiness for rehabilitation using binary logistic regression...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
T V Agibalova, I I Akhmetzyanov, R F Khaeva, G L Udachina, K N Poplevchenkov, A V Orlova, O V Nedobylskiy
AIM: To evaluate the efficacy of treatment of patients at risk of deprivation of parental rights due to alcohol dependence under the 'Point of Soberness' program including psychotherapy and intramuscular injections of extended-release naltrexone (vivitrol). MATERIAL AND METHODS: Results of therapy of 45 patients, 39 women and 6 men, are presented. Out of 45 patients, 42 (93.3%) received a full course of injections of prolonged naltrexone (6 or more) as part of a comprehensive outpatient rehabilitation program...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
R A Kardashian
AIM: To study personality characteristics in adolescents with computer game addiction. MATERIAL AND METHODS: The study included students of grades 7 to 10 at the age of 12-17 years (14.6±2.4 years), their parents and school teachers. RESULTS AND CONCLUSION: The results of a study showed the following combination in patients: 'genophilic' type of DPT with schizoid personality accentuation and 'projection' type of psychological protection, and 'dignitophilic' type of DPT with labile personality accentuation and 'denial' type of PP...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
Guangheng Dong, Lingxiao Wang, Xiaoxia Du, Marc N Potenza
BACKGROUND: Internet gaming disorder (IGD) has been proposed as a behavioral addiction warranting additional investigation. Craving is considered a core component of addictions. However, few studies to date have investigated craving in IGD. In the current study, we investigated how gaming was associated with changes in response to gaming-related stimuli in subjects with IGD and those with recreational game use (RGU). METHODS: Behavioral and functional magnetic resonance imaging data were collected from 27 individuals with IGD and 43 individuals with RGU...
July 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
Andreas Heinz, Tabea Selbmann, Nina Romanczuk-Seiferth
No abstract text is available yet for this article.
July 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
Bridget W Brox, Bart A Ellenbroek
BACKGROUND: Despite ongoing study and research to better understand drug addiction, it continues to be a heavy burden. Only a small percentage of individuals who take drugs of abuse go on to develop addiction. However, there is growing evidence to suggest that a reduction in the serotonin transporter may play an important role for those that transition to compulsive drug taking. Studies have demonstrated that reduced serotonin transporter function potentiates self-administration of psychostimulant drugs ("ecstasy," MDMA; cocaine); however, additional research revealed no differences between genotypes when the opioid heroin was self-administered...
March 21, 2018: Psychopharmacology
Jorge A Avila, Roseanna M Zanca, Denis Shor, Nicholas Paleologos, Amber A Alliger, Maria E Figueiredo-Pereira, Peter A Serrano
Methamphetamine (MA) is an addictive drug with neurotoxic effects on the brain producing cognitive impairment and increasing the risk for neurodegenerative disease. Research has focused largely on examining the neurochemical and behavioral deficits induced by injecting relatively high doses of MA [30 mg/kg of body weight (bw)] identifying the upper limits of MA-induced neurotoxicity. Accordingly, we have developed an appetitive mouse model of voluntary oral MA administration (VOMA) based on the consumption of a palatable sweetened oatmeal mash containing a known amount of MA...
February 2018: Heliyon
Thiago M P Fernandes, Michael J Oliveira de Andrade, Jessica B Santana, Renata M Toscano Barreto Lyra Nogueira, Natanael A Dos Santos
Smoking prevalence in patients who are diagnosed with schizophrenia (SCZ) is higher than in the general population. Chronic tobacco use in SCZ patients may reduce the side effects of antipsychotic drugs, thus serving as a self-medication for such side effects. Understanding the ways in which chronic tobacco use influences visual sensitivity has clinical implications, which may serve as a tool for non-invasively diagnosing early-stage visual processing deficits. The present study evaluated the effects of chronic tobacco use on visual sensitivity in SCZ patients...
2018: Frontiers in Psychology
Nannan Pan, Yongxin Yang, Xin Du, Xin Qi, Guijin Du, Yang Zhang, Xiaodong Li, Quan Zhang
With the development of the Internet, an increasing number of adolescents play online game excessively, which leads to adverse effects on individuals and society. Previous studies have demonstrated altered gray-matter volume (GMV) in individuals with Internet gaming disorder (IGD), but the relationship between the tendency to IGD and the GMV across whole brain is still unclear in adolescents. In the present study, anatomical imaging with high resolution was performed on 67 male adolescents who played online game; and Young's Internet addiction test (IAT) was conducted to test the tendency to IGD...
2018: Frontiers in Psychiatry
Diego Lima Nava Martins, Talles Destefani de Souza Valiatti, Júlia D'Ávila, Lucas Freire Ferreira, Edson Kruger Batista, Paulo Rodrigo Bazán, Rodrigo Stênio Moll de Souza, Ester Miyuki Nakamura-Palacios
Objective: This study aimed to explore the functional connectivity of the default mode network (DMN) in crack-cocaine users, in comparison with that observed in age-matched non-drug-using controls. Materials and Methods: Inpatient crack-cocaine users who had been abstinent for at least four weeks and age-matched non-drug-using controls underwent resting state functional magnetic resonance imaging. Images were acquired while the subjects rested with their eyes closed...
January 2018: Radiologia Brasileira
Annelies Cannaert, Jolien Storme, Cornelius Hess, Volker Auwärter, Sarah M R Wille, Christophe P Stove
BACKGROUND: Synthetic cannabinoids are the largest group of new psychoactive substances monitored by the European Monitoring Center of Drugs and Drug Addiction. The rapid proliferation of novel analogs makes the detection of these new derivatives challenging and has initiated considerable interest in the development of so-called "untargeted" screening strategies to detect these compounds. METHODS: We developed new, stable bioassays in which cannabinoid receptor activation by cannabinoids led to recruitment of truncated β-arrestin 2 (βarr2) to the cannabinoid receptors, resulting in functional complementation of a split luciferase, allowing readout via bioluminescence...
March 20, 2018: Clinical Chemistry
Katrina Elizabeth Champion, Cath Chapman, Nicola Clare Newton, Mary-Ellen Brierley, Lexine Stapinski, Frances Kay-Lambkin, Jack Nagle, Maree Teesson
BACKGROUND: The use of crystal methamphetamine (ice) and the associated harms for individuals, families, and communities across Australia has been the subject of growing concern in recent years. The provision of easily accessible, evidence-based, and up-to-date information and resources about crystal methamphetamine for the community is a critical component of an effective public health response. OBJECTIVE: This paper aims to describe the codevelopment process of the Web-based Cracks in the Ice Community Toolkit, which was developed to improve access to evidence-based information and resources about crystal methamphetamine for the Australian community...
March 20, 2018: JMIR Mental Health
Ki Jin Kim, Sang Nam Lee, Bong Hyo Lee
RATIONALE: Morphine is a representative pain killer. However, repeated use tends to induce addiction. Music therapy has been gaining interest as a useful type of therapy for neuropsychiatric diseases. OBJECTIVES: The present study examined whether Korean traditional music (KT) could suppress morphine-seeking behavior and anxiety-like behavior induced by extinction from chronic morphine use and additionally investigated a possible neuronal mechanism. MATERIAL & METHODS: Male Sprague-Dawley rats were trained to intravenously self-administer morphine hydrochloride (1...
March 17, 2018: Neuroscience Letters
Vladan Starcevic, Joël Billieux, Adriano Schimmenti
No abstract text is available yet for this article.
March 1, 2018: Australian and New Zealand Journal of Psychiatry
Erica Dimitropoulos, Stephanie Bertucci, Kara Wong
BACKGROUND: Research has demonstrated that the combination of pharmacotherapy and psychological interventions in alcohol use disorder (AUD) treatment is superior to either alone. Despite this, medications remain highly underutilized in many outpatient treatment facilities. Pharmacists can serve as an excellent resource to aid in improving access to medications. METHODS: This study was a prospective, longitudinal evaluation of a pharmacist's role in a substance use disorder (SUD) clinic, specifically an intensive outpatient program (IOP)...
March 20, 2018: Substance Abuse
Bobbi Jo H Yarborough, Felicia W Chi, Carla A Green, Agatha Hinman, Jennifer Mertens, Arne Beck, Michael Horberg, Constance Weisner, Cynthia I Campbell
OBJECTIVES: Understand patient and system characteristics associated with performance on the Healthcare Effectiveness Data and Information Set (HEDIS) Alcohol and Other Drug (AOD) Initiation and Engagement of Treatment (IET) measures. METHODS: This mixed-methods study linked patient and health system data from four Kaiser Permanente regions to HEDIS performance measure data for 44,320 commercially or Medicare-insured adults with HEDIS-eligible AOD diagnoses in 2012...
March 19, 2018: Journal of Addiction Medicine
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