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https://www.readbyqxmd.com/read/27907134/reward-contingencies-improve-goal-directed-behavior-by-enhancing-posterior-brain-attentional-regions-and-increasing-corticostriatal-connectivity-in-cocaine-addicts
#1
Patricia Rosell-Negre, Juan-Carlos Bustamante, Paola Fuentes-Claramonte, Víctor Costumero, Juan-José Llopis-Llacer, Alfonso Barrós-Loscertales
The dopaminergic system provides the basis for the interaction between motivation and cognition. It is triggered by the possibility of obtaining rewards to initiate the neurobehavioral adaptations necessary to achieve them by directing the information from motivational circuits to cognitive and action circuits. In drug addiction, the altered dopamine (DA) modulation of the meso-cortico-limbic reward circuitry, such as the prefrontal cortex (PFC), underlies the disproportionate motivational value of drug use at the expense of other non-drug reinforcers and the user's loss of control over his/her drug intake...
2016: PloS One
https://www.readbyqxmd.com/read/27905916/study-protocol-a-dose-escalating-phase-2-study-of-oral-lisdexamfetamine-in-adults-with-methamphetamine-dependence
#2
Nadine Ezard, Adrian Dunlop, Brendan Clifford, Raimondo Bruno, Andrew Carr, Alexandra Bissaker, Nicholas Lintzeris
BACKGROUND: The treatment of methamphetamine dependence is a continuing global health problem. Agonist type pharmacotherapies have been used successfully to treat opioid and nicotine dependence and are being studied for the treatment of methamphetamine dependence. One potential candidate is lisdexamfetamine, a pro-drug for dexamphetamine, which has a longer lasting therapeutic action with a lowered abuse potential. The purpose of this study is to determine the safety of lisdexamfetamine in this population at doses higher than those currently approved for attention deficit hyperactivity disorder or binge eating disorder...
December 1, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27898427/cocaine-withdrawal-reduces-gamma-aminobutyric-acid-ergic-transmission-and-gephyrin-expression-at-medial-prefrontal-cortex-in-cocaine-conditioned-place-preference-rats-which-shows-increased-cocaine-seeking
#3
Wenqiong Yang, Hongsheng He, Yan Pan, Falan Duan, Dan Zhao, Bo Hu, Qingzhen Zhou, Wanhong Liu
AIMS: Chronic cocaine abuse decreases the inhibitory synaptic transmission via unknown mechanisms, while pharmacologically augmenting gamma-aminobutyric acid-ergic (GABAergic) transmission attenuates cocaine craving. Here, we propose that prolonged cocaine withdrawal downregulates GABAergic transmission and its important regulator gephyrin in medial prefrontal cortex (mPFC), in cocaine-conditioned place-preference (CPP) rats. METHODS: CPP test, patch clamp, and Western blot analysis are engaged to test this proposal...
November 30, 2016: European Addiction Research
https://www.readbyqxmd.com/read/27896872/sunbed-use-among-portuguese-beach-goers-a-crave-group-while-wainting-sunbeds-to-be-abolished
#4
A F Duarte, J N Maia Silva, A Costa Pereira, E Nagore, A Picoto, O Correia
Although sunbed use is considered a complete carcinogen for skin cancer, over the past decades exposure to indoor tanning is becoming more popular.(1, 2) The risk appears to be stronger for young women, initial use at an early age (less than 35 years) and higher number of sunbed sessions. (3, 4) With this study we aim to better understand the features of sunbed users in Portuguese beach goers, a group at high risk for skin cancer. This article is protected by copyright. All rights reserved.
November 29, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27895485/adhd-and-present-hedonism-time-perspective-as-a-potential-diagnostic-and-therapeutic-tool
#5
REVIEW
S Weissenberger, M Klicperova-Baker, P Zimbardo, K Schonova, D Akotia, J Kostal, M Goetz, J Raboch, R Ptacek
The article draws primarily from the behavioral findings (mainly psychiatric and psychological observations) and points out the important relationships between attention-deficit/hyperactivity disorder (ADHD) symptoms and time orientation. Specifically, the authors argue that there is a significant overlap between the symptoms of ADHD and Present Hedonism. Present Hedonism is defined by Zimbardo's time perspective theory and assessed by Zimbardo Time Perspective Inventory. Developmental data on Present Hedonism of males and females in the Czech population sample (N=2201) are also presented...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27894160/cue-induced-nicotine-seeking-behavior-after-withdrawal-with-or-without-extinction-in-rats
#6
Athina Markou, Jie Li, Kearny Tse, Xia Li
Exposure to smoking-associated environmental cues during smoke cessation elicits self-reported urge/craving to smoke, which precipitates relapse even after prolonged abstinence. Incubation of cue-induced cigarettes craving during abstinence has been observed in human smokers recently. The present studies assessed cue-induced nicotine-seeking behavior under different withdrawal conditions in rats with a history of nicotine self-administration. We found that non-reinforced operant responding during cue-induced nicotine seeking after different periods of withdrawal from nicotine exhibited an inverted U-shaped curve, with higher levels of responding after 7-21 days of withdrawal than those after 1-day withdrawal...
November 28, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27894158/craving-behavioral-intervention-for-internet-gaming-disorder-remediation-of-functional-connectivity-of-the-ventral-striatum
#7
Jin-Tao Zhang, Shan-Shan Ma, Chiang-Shan R Li, Lu Liu, Cui-Cui Xia, Jing Lan, Ling-Jiao Wang, Ben Liu, Yuan-Wei Yao, Xiao-Yi Fang
Psychobehavioral intervention is an effective treatment of Internet addiction, including Internet gaming disorder (IGD). However, the neural mechanisms underlying its efficacy remain unclear. Cortical-ventral striatum (VS) circuitry is a common target of psychobehavioral interventions in drug addiction, and cortical-VS dysfunction has been reported in IGD; hence, the primary aim of the study was to investigate how the VS circuitry responds to psychobehavioral interventions in IGD. In a cross-sectional study, we examined resting-state functional connectivity of the VS in 74 IGD subjects (IGDs) and 41 healthy controls (HCs)...
November 28, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27890648/bupropion-sustained-release-for-pregnant-smokers-a%C3%A2-randomized-placebo-controlled-trial
#8
Tatiana N Nanovskaya, Cheryl Oncken, Valentina M Fokina, Richard S Feinn, Shannon M Clark, Holly West, Sunil K Jain, Mahmoud S Ahmed, Gary D V Hankins
BACKGROUND: Bupropion is used to treat depression during pregnancy. However, its usefulness as a smoking cessation aid for pregnant women is not fully known. OBJECTIVE: The objective of the study was to evaluate the preliminary efficacy of bupropion sustained release for smoking cessation during pregnancy. STUDY DESIGN: We conducted a randomized, prospective, double-blind, placebo-controlled, pilot trial. Pregnant women who smoked daily received individualized behavior counseling and were randomly assigned to a 12 week, twice-a-day treatment with 150 mg bupropion sustained release or placebo...
November 25, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27890540/association-of-plasma-calcium-concentrations-with-alcohol-craving-new-data-on-potential-pathways
#9
Rilana Schuster, Anne Koopmann, Martin Grosshans, Iris Reinhard, Rainer Spanagel, Falk Kiefer
Recently, calcium was suggested to be the active moiety of acamprosate. We examined plasma calcium concentrations in association with severity of alcohol dependence and its interaction with regulating pathways and alcohol craving in alcohol-dependent patients. 47 inpatient alcohol-dependent patients undergoing detoxification treatment underwent laboratory testing, including calcium, sodium, liver enzymes as well as serum concentrations of calcitonin, parathyroid hormone and vitamin D. The psychometric dimension of craving was analyzed with the Obsessive Compulsive Drinking Scale (OCDS)...
November 24, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27889724/phenotype-of-dent-disease-in-a-cohort-of-indian-children
#10
Swati Bhardwaj, Ranjeet Thergaonkar, Aditi Sinha, Pankaj Hari, Cheong Hi, Arvind Bagga
OBJECTIVE: To describe the clinical and genotypic features of Dent disease in children diagnosed at our center over a period of 10 years. DESIGN: Case series. SETTING: Pediatric Nephrology Clinic at a referral center in Northern India. METHODS: The medical records of patients with Dent disease diagnosed and followed up at this hospital from June 2005 to April 2015 were reviewed. The diagnosis of Dent disease was based on presence of all three of the following: (i) low molecular weight proteinuria, (ii) hypercalciuria and (iii) one of the following: nephrolithiasis, hematuria, hypophosphatemia or renal insufficiency, with or without mutation in CLCN5 or OCRL1 genes...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27884454/-management-of-adverse-effects-related-to-human-immunoglobulin-therapy-recommendations-for-clinical-practice
#11
I Marie, P Chérin, M Michallet, E Pelus, J Dantal, J-C Crave, J-C Delain, J-F Viallard
Both intravenous and subcutaneous immunoglobulins are therapeutic modalities approved in various conditions, including primary and secondary immune deficiencies and autoimmune disorders. To date, immunoglobulins have more often been considered as a safe medication, with minor adverse effects such as hypertension, fever and chills, nausea, myalgia or headache. However, with the wider use of immunoglobulins in the treatment of autoimmune diseases, severe side effects have also been reported to occur in immunoglobulin-treated patients, especially anaphylaxis, aseptic meningitis, acute renal impairment, thrombotic events as well as haematological manifestations...
November 21, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27883949/nicotine-levels-withdrawal-symptoms-and-smoking-reduction-success-in-real-world-use-a-comparison-of-cigarette-smokers-and-dual-users-of-both-cigarettes-and-e-cigarettes
#12
Douglas E Jorenby, Stevens S Smith, Michael C Fiore, Timothy B Baker
INTRODUCTION: To evaluate how experienced dual users used cigarettes and e-cigarettes in real-world use and under different levels of cigarette availability. METHODS: Dual users (cigarettes+e-cigarettes; n=74) and a smoke-only group (just cigarettes; n=74) engaged in a 26-day study with two ad lib use intervals, a week of 75% cigarette reduction and three days of 100% cigarette reduction. After a week of ad lib use of products, all participants were asked to reduce smoking by 75% (dual users were free to use their e-cigarettes as they wished), followed by another week of ad lib use...
November 9, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/27882203/effectiveness-of-emotion-regulation-training-on-the-reduction-of-craving-in-drug-abusers
#13
Hamed Choopan, Seyed Mohammad Kalantarkousheh, Yousef Aazami, Younes Doostian, Ali Farhoudian, Omid Massah
BACKGROUND: Emotion regulation appears to provide individuals with a doubled ability to avoid drug relapse and assists with the control of temptation to reuse, which is a type of tendency-avoidance conflict. The present study aims to investigate the effect of Gross model-based emotion regulation training on the reduction of craving beliefs in drug-addicted people. METHODS: The present study was a quasi-experimental design. This was a pre- and post-test design that consisted of control and experimental groups...
April 2016: Addiction & Health
https://www.readbyqxmd.com/read/27872691/locally-estimated-hemodynamic-response-function-and-activation-detection-sensitivity-in-heroin-cue-reactivity-study
#14
Somayeh Maleki-Balajoo, Gholam-Ali Hossein-Zadeh, Hamid Soltanian-Zadeh, Hamed Ekhtiari
INTRODUCTION: A fixed hemodynamic response function (HRF) is commonly used for functional magnetic resonance imaging (fMRI) analysis. However, HRF may vary from region to region and subject to subject. We investigated the effect of locally estimated HRF (in functionally homogenous parcels) on activation detection sensitivity in a heroin cue reactivity study. METHODS: We proposed a novel exploratory method for brain parcellation based on a probabilistic model to segregate the brain into spatially connected and functionally homogeneous components...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27870557/visual-cue-specific-craving-is-diminished-in-stressed-smokers
#15
Justinn R Cochran, Nathan S Consedine, John M J Lee, Chinmay Pandit, John J Sollers Iii, Robert R Kydd
BACKGROUND: Craving among smokers is increased by stress and exposure to smoking-related visual cues. However, few experimental studies have tested both elicitors concurrently and considered how exposures may interact to influence craving. OBJECTIVE: The current study examined craving in response to stress and visual cue exposure, separately and in succession, in order to better understand the relationship between craving elicitation and the elicitor. METHOD: Thirty-nine smokers (21 males) who forwent smoking for 30 minutes were randomized to complete a stress task and a visual cue task in counterbalanced orders (creating the experimental groups); for the cue task, counterbalanced blocks of neutral, motivational control, and smoking images were presented...
November 21, 2016: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/27866960/ethanol-seeking-behavior-is-expressed-directly-through-an-extended-amygdala-to-midbrain-neural-circuit
#16
Melanie M Pina, Christopher L Cunningham
Abstinent alcohol-dependent individuals experience an enduring sensitivity to cue-induced craving and relapse to drinking. There is considerable evidence indicating that structures within the midbrain and extended amygdala are involved in this process. Individually, the ventral tegmental area (VTA) and the bed nucleus of the stria terminalis (BNST) have been shown to modulate cue-induced ethanol-seeking behavior. It is hypothesized that cue-induced seeking is communicated through a direct projection from the BNST to VTA...
November 17, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27866120/evidence-based-guidelines-on-the-therapeutic-use-of-transcranial-direct-current-stimulation-tdcs
#17
REVIEW
Jean-Pascal Lefaucheur, Andrea Antal, Samar S Ayache, David H Benninger, Jérôme Brunelin, Filippo Cogiamanian, Maria Cotelli, Dirk De Ridder, Roberta Ferrucci, Berthold Langguth, Paola Marangolo, Veit Mylius, Michael A Nitsche, Frank Padberg, Ulrich Palm, Emmanuel Poulet, Alberto Priori, Simone Rossi, Martin Schecklmann, Sven Vanneste, Ulf Ziemann, Luis Garcia-Larrea, Walter Paulus
A group of European experts was commissioned by the European Chapter of the International Federation of Clinical Neurophysiology to gather knowledge about the state of the art of the therapeutic use of transcranial direct current stimulation (tDCS) from studies published up until September 2016, regarding pain, Parkinson's disease, other movement disorders, motor stroke, poststroke aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease, tinnitus, depression, schizophrenia, and craving/addiction...
October 29, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27865707/a-comprehensive-database-of-published-tdcs-clinical-trials-2005-2016
#18
REVIEW
Jean-Pascal Lefaucheur
Transcranial direct current stimulation (tDCS) is a technique of noninvasive cortical stimulation allowing significant modification of brain functions. Clinical application of this technique was reported for the first time in March 2005. This paper presents a detailed list of the 340 articles (excluding single case reports) which have assessed the clinical effect of tDCS in patients, at least when delivered to cortical targets. The reviewed conditions were: pain syndromes, Parkinson's disease, dystonia, cerebral palsy, post-stroke limb motor impairment, post-stroke neglect, post-stroke dysphagia, post-stroke aphasia, primary progressive aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease and other types of dementia, tinnitus, depression, auditory hallucinations and negative symptoms of schizophrenia, addiction and craving, autism, and attention disorders...
December 2016: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/27862692/ppar%C3%AE-agonism-attenuates-cocaine-cue-reactivity
#19
William R Miller, Robert G Fox, Sonja J Stutz, Scott D Lane, Larry Denner, Kathryn A Cunningham, Kelly T Dineley
Cocaine use disorder is a chronic relapsing condition characterized by compulsive drug seeking and taking even after prolonged abstinence periods. Subsequent exposure to drug-associated cues can promote intense craving and lead to relapse in abstinent humans and rodent models. The responsiveness to these cocaine-related cues, or 'cue reactivity', can trigger relapse and cocaine-seeking behaviors; cue reactivity is measurable in cocaine-dependent humans as well as rodent models. Cue reactivity is thought to be predictive of cocaine craving and relapse...
November 11, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27859963/repeated-restraint-stress-exposure-during-early-withdrawal-accelerates-incubation-of-cue-induced-cocaine-craving
#20
Ryan M Glynn, J Amiel Rosenkranz, Marina E Wolf, Aaron Caccamise, Freya Shroff, Alyssa B Smith, Jessica A Loweth
A major challenge for treating cocaine addiction is the propensity for abstinent users to relapse. Two important triggers for relapse are cues associated with prior drug use and stressful life events. To study their interaction in promoting relapse during abstinence, we used the incubation model of craving and relapse in which cue-induced drug seeking progressively intensifies ('incubates') during withdrawal from extended-access cocaine self-administration. We tested rats for cue-induced cocaine seeking on withdrawal day (WD) 1...
November 11, 2016: Addiction Biology
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