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Compulsive behavior

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https://www.readbyqxmd.com/read/29331882/association-analysis-of-slc6a4-and-htr2a-genes-with-obsessive-compulsive-disorder-influence-of-the-stin2-polymorphism
#1
Chayenne Karine Ferreira Gomes, Tamiris Vieira-Fonseca, Fernanda Brito Melo-Felippe, Juliana Braga de Salles Andrade, Leonardo F Fontenelle, Fabiana Barzotti Kohlrausch
BACKGROUND: Obsessive-Compulsive Disorder (OCD) is a complex and chronic disorder characterized by recurrent thoughts and/or repetitive behaviors. Given the potent anti-obsessional effects of the so-called serotonin reuptake inhibitors, genes related to serotonergic system may be well implicated in the etiopathogenesis of OCD. The gene encoding the serotonin transporter (SLC6A4), which shows a variable number of tandem repeat (VNTR) polymorphism in intron 2 (STin2), have been previously associated with OCD...
December 16, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29321703/executive-functions-of-obsessive-compulsive-disorder-and-panic-disorder-patients-in-comparison-to-healty-controls
#2
Emel Kurt, Erol Yildirim, Volkan Topçuoğlu
Introduction: Patients with obsessive compulsive disorder (OCD) have impaired cognitive functions, including attention, verbal and visual memory, and visual-spatial abilities as well as executive function But some studies did not show any disturbance in executive function of patients with OCD. To date, only few studies have been conducted on neuropsychological functioning of patients with panic disorder (PD). There are limited studies to reach a definite conclusion on executive functions of patients with OCD and those with PD...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29318700/time-course-and-dynamics-of-obesity-related-behavioral-changes-induced-by-energy-dense-foods-in-mice
#3
Jose Espinosa-Carrasco, Aurelijus Burokas, Marta Fructuoso, Ionas Erb, Elena Martín-García, Miriam Gutiérrez-Martos, Cedric Notredame, Rafael Maldonado, Mara Dierssen
Obesity represents an important risk factor contributing to the global burden of disease. The current obesogenic environment with easy access to calorie-dense foods is fueling this obesity epidemic. However, how these foods contribute to the progression of feeding behavior changes that lead to overeating is not well understood and needs systematic assessment. Using novel automated methods for the high-throughput screening of behavior, we here examine mice meal pattern upon long-term exposure to a free-choice chocolate-mixture diet and a high-fat diet with face validity for a rapid development of obesity induced by unhealthy food regularly consumed in our societies...
January 10, 2018: Addiction Biology
https://www.readbyqxmd.com/read/29314464/chemogenetic-inhibition-of-direct-pathway-striatal-neurons-normalizes-pathological-cue-induced-reinstatement-of-drug-seeking-in-rats
#4
Lindsay M Yager, Aaron F Garcia, Elizabeth A Donckels, Susan M Ferguson
Addiction to drugs such as cocaine is marked by cycles of compulsive drug-taking and drug-seeking behavior. Although the transition to addiction is thought to recruit neural processes in dorsal striatum, little is known regarding the role of dorsal striatal projections to the substantia nigra (i.e. the direct pathway) in regulating these behaviors. Combining a Cre-recombinase-dependent chemogenetic approach with a cocaine self-administration paradigm that produces both low-risk and high-risk addiction phenotypes, we examined the effect of transiently decreasing direct pathway activity in the dorsomedial striatum on drug-taking and drug-seeking under conditions of normal and pathological drug use...
January 5, 2018: Addiction Biology
https://www.readbyqxmd.com/read/29313138/do-psychoactive-drugs-have-a-therapeutic-role-in-compulsivity-studies-on-schedule-induced-polydipsia
#5
Elena Martín-González, Ángeles Prados-Pardo, Santiago Mora, Pilar Flores, Margarita Moreno
RATIONALE: Clinical studies have shown that some psychoactive recreational drugs have therapeutic applications in anxiety, depression, and schizophrenia. However, to date, there are few studies on the therapeutic potential efficacy of recreational drugs in compulsive neuropsychiatric disorders. OBJECTIVES: We explored the therapeutic potential of different psychoactive and psychedelic drugs in a preclinical model of compulsive behavior. METHODS: Outbred male Wistar rats were selected as either high (HD) or low (LD) drinkers according to their behavior in schedule-induced polydipsia (SIP)...
January 8, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29306047/unified-protocol-for-the-discontinuation-of-long-term-serotonin-reuptake-inhibitors-in-obsessive-compulsive-disorder-study-protocol-and-methods
#6
Christina L Boisseau, Steven A Rasmussen
Obsessive-compulsive disorder (OCD) is chronic psychiatric disorder associated with high rates of functional impairment and decreased quality of life. Although serotonin reuptake inhibitors have demonstrated efficacy in the treatment of OCD, little data is available to guide clinicians on how to manage these medications long-term. Cognitive-behavioral approaches provide a promising avenue for helping OCD patients discontinue maintenance SRIs while minimizing the potential for symptom worsening. This manuscript describes the rationale and methods for pilot feasibility study designed to a unified, cognitive-behavioral strategy for discontinuing long-term SRIs in OCD...
January 3, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29305687/genetics-and-treatment-response-in-parkinson-s-disease-an-update-on-pharmacogenetic-studies
#7
REVIEW
Cristina Politi, Cinzia Ciccacci, Giuseppe Novelli, Paola Borgiani
Parkinson's disease (PD) is a complex neurodegenerative disorder characterized by a progressive loss of dopamine neurons of the central nervous system. The disease determines a significant disability due to a combination of motor symptoms such as bradykinesia, rigidity and rest tremor and non-motor symptoms such as sleep disorders, hallucinations, psychosis and compulsive behaviors. The current therapies consist in combination of drugs acting to control only the symptoms of the illness by the replacement of the dopamine lost...
January 5, 2018: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29303403/i-am-quite-mellow-but-i-wouldn-t-say-everyone-else-is-how-uk-students-compare-their-drinking-behavior-to-their-peers
#8
Emma L Davies, Emma-Ben C Lewis, Sarah E Hennelly
BACKGROUND: Excessive drinking is commonplace at UK Universities. Individuals may misperceive how much they drink compared to others and are less likely to think that they will suffer adverse consequences. Young people often distance themselves and their friends from 'problem drinkers'. OBJECTIVES: The aim of the study was to explore how student drinkers compared their own drinking behaviors to the drinking behaviors of others. METHODS: An online survey was completed by 416 students aged 18-30 (68...
January 5, 2018: Substance Use & Misuse
https://www.readbyqxmd.com/read/29303070/is-there-a-role-for-lifestyle-interventions-in-obsessive-compulsive-and-related-disorders
#9
Leonardo F Fontenelle, Julliana N Quintas, Murat Yücel
Many of the currently available treatments for obsessive-compulsive and related disorders (OCRDs) such as pharmacotherapy augmentation strategies, partial hospitalization programs, deep brain stimulation, and neurosurgery are efficacious for individuals suffering from more severe forms of these conditions. Unfortunately, the application of these treatments in milder forms of illness and subclinical samples, which affect a substantial portion of the population, is not justifiable by their costs (e.g. cognitive-behavioral therapy) and/or potential for side effects (serotonin-reuptake inhibitors associated sexual side effects)...
January 4, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29302225/clinical-neuropsychiatric-considerations-regarding-nonsubstance-or-behavioral-addictions
#10
Marc N Potenza
Over the past several decades, non-substance-use behaviors like gambling, gaming, and sex have received greater consideration as possible foci of addictions. In this article, I will review the recent history and current status of non-substance or behavioral addictions. A main focus will involve gambling and gambling disorder, given that the latter is currently the sole non-substance addictive disorder described in the main text of the current (fifth) edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5)...
September 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/29302219/individual-differences-in-the-neuropsychopathology-of-addiction
#11
Olivier George, George F Koob
Drug addiction or substance-use disorder is a chronically relapsing disorder that progresses through binge/intoxication, withdrawal/negative affect and preoccupation/anticipation stages. These stages represent diverse neurobiological mechanisms that are differentially involved in the transition from recreational to compulsive drug use and from positive to negative reinforcement. The progression from recreational to compulsive substance use is associated with downregulation of the brain reward systems and upregulation of the brain stress systems...
September 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/29302029/a-neural-basis-for-antagonistic-control-of-feeding-and-compulsive-behaviors
#12
Leandra R Mangieri, Yungang Lu, Yuanzhong Xu, Ryan M Cassidy, Yong Xu, Benjamin R Arenkiel, Qingchun Tong
Abnormal feeding often co-exists with compulsive behaviors, but the underlying neural basis remains unknown. Excessive self-grooming in rodents is associated with compulsivity. Here, we show that optogenetically manipulating the activity of lateral hypothalamus (LH) projections targeting the paraventricular hypothalamus (PVH) differentially promotes either feeding or repetitive self-grooming. Whereas selective activation of GABAergic LH→PVH inputs induces feeding, activation of glutamatergic inputs promotes self-grooming...
January 4, 2018: Nature Communications
https://www.readbyqxmd.com/read/29291473/the-effects-of-the-non-contingent-presentation-of-safety-signals-on-the-elimination-of-safety-behaviors-an-experimental-comparison-between-individuals-with-low-and-high-obsessive-compulsive-profiles
#13
Ioannis Angelakis, Jennifer L Austin
BACKGROUND AND OBJECTIVES: Safety behaviors, defined as engagement in avoidance within safe environments, are a key symptom of obsessive-compulsive and related disorders. They may interfere with daily functioning and as such their emission should be reduced. The purpose of the current study is to investigate the effects of the non-contingent presentation of safety signals (cues produced by safety behaviors) on reducing safety behaviors in participants self-reporting low and high OCD profiles...
December 27, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/29285414/deep-brain-stimulation-for-obsessive-compulsive-disorder-knowledge-and-concerns-among-psychiatrists-psychotherapists-and-patients
#14
Matilda Naesström, Patric Blomstedt, Marwan Hariz, Owe Bodlund
Background: Deep brain stimulation (DBS) is under investigation for severe obsessive-compulsive disorder (OCD) resistant to other therapies. The number of implants worldwide is slowly increasing. Therefore, it is of importance to explore knowledge and concerns of this novel treatment among patients and their psychiatric healthcare contacts. This information is relevant for scientific professionals working with clinical studies for DBS for this indication. Especially, for future study designs and the creation of information targeting healthcare professionals and patients...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29282813/extinction-and-reinstatement-of-an-operant-responding-maintained-by-food-in-different-models-of-obesity
#15
Aurelijus Burokas, Elena Martín-García, Jose Espinosa-Carrasco, Ionas Erb, Jerome McDonald, Cedric Notredame, Mara Dierssen, Rafael Maldonado
A major problem in treating obesity is the high rate of relapse to abnormal food-taking habits after maintaining an energy balanced diet. Alterations of eating behavior such as compulsive-like behavior and lack of self-control over food intake play a critical role in relapse. In this study, we used an operant paradigm of food-seeking behavior on two different diet-induced obesity models, a free-choice chocolate-mixture diet and a high-fat diet with face validity for a rapid development of obesity or for unhealthy food regularly consumed in our societies...
December 28, 2017: Addiction Biology
https://www.readbyqxmd.com/read/29282341/-tourette-syndrome-clinical-features-and-pathophysiology
#16
Yoshiko Nomura
Tourette syndrome (TS) is a neuropsychiatric disorder with the onset in childhood. TS is a form of tic disorders, and characterized by the motor and vocal tics, and comorbidities such as attention deficit hyperkinetic and obsessive compulsive disorders. These symptoms appear age dependently, showing a wax and wane course, and subside or abolish by the late teens. Pathophysiology of TS involves the dysfunction of both motor and non-motor basal ganglia-thalamo-cortical circuitries. The nigrostriatal dopamine (DA) system takes the exponential decrement at the striatum...
December 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29281592/individual-based-compulsive-sexual-behavior-scale-its-development-and-importance-in-examining-compulsive-sexual-behavior
#17
Dr Yaniv Efrati, Professor Mario Mikulincer
Compulsive sexual behavior comprises individual-based (e.g., sexual fantasies, compulsive sexual thoughts, masturbation) and partnered (e.g., interpersonal sexual conquests, repeated infidelity) facets. Most instruments for assessing compulsive sexual behavior, however, focus less on the individual-based facet and specifically on fantasies and compulsive thoughts. In the current research, we developed and validated an individual-based compulsive sexual behavior scale (I-CSB). In Study 1 (N = 492), the factorial structure of the I-CSB was examined...
December 27, 2017: Journal of Sex & Marital Therapy
https://www.readbyqxmd.com/read/29280182/systematic-review-and-meta-analysis-found-higher-levels-of-behavioural-problems-in-male-left-behind-children-aged-6-11-years
#18
REVIEW
Guang-Bo Qu, Wei Wu, Ling-Ling Wang, Xue Tang, Ye-Huan Sun, Jie Li, Jun Wang
AIM: Left behind children (LBC) now account for more than one in five Chinese children and they often suffer from behavioural problems when their parents leave their rural homes to seek work in urban areas. The primary aim of this meta-analysis was to compare the incidence rates and factor scores of behavioural problems in LBC children, who now account for more than one-fifth of Chinese children, and non LBC children. METHODS: This systematic review and meta-analysis explored the children's characteristic behavioural problems using the Achenbach Child Behavior Check List...
December 27, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29278206/a-systematic-review-of-evidence-based-treatment-strategies-for-obsessive-compulsive-disorder-resistant-to-first-line-pharmacotherapy
#19
Umberto Albert, Donatella Marazziti, Gabriele Di Salvo, Francesca Solia, Gianluca Rosso, Giuseppe Maina
BACKGROUND: Serotonin reuptake inhibitors (SRIs) and cognitive-behavioral psychotherapy (CBT) are first-line treatments for obsessive-compulsive disorder (OCD). However, a significant proportion of patients do not respond satisfactorily to first-choice treatments. Several options have been investigated for the management of resistant patients. OBJECTIVE: The aim of the present paper is to systematically review the available literature concerning the strategies for the treatment of resistant adult patients with OCD...
December 22, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29276354/multidimensional-approaches-for-a-case-of-severe-adult-obsessive-compulsive-disorder
#20
Zhongyong Shi, Xinchun Mei, Yingbo Zhu, Yu Shuai, Yupeng Chen, Yujie Wu, Yuan Shen
Obsessive-compulsive disorder (OCD) is a chronic, distressing and substantially impairing neuropsychiatric disorder, characterized by obsessions or compulsions. The current case describes a 44-year-old adult female diagnosed with OCD. The patient had an incomplete response to several SSRIs alone during her past treatment, and led a poor-quality life for at least three years. Current multidimensional approaches, including combined cognitive behavioral therapy (CBT) and the Selective Serotonin Reuptake Inhibitor (SSRI, Sertraline) with a small dose of antipsychotics (Aripiprazole) for augmentation, as well as familial support and resources from the internet were provided for the patient for six months...
October 25, 2017: Shanghai Archives of Psychiatry
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