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Impulse control

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https://www.readbyqxmd.com/read/28822983/impulsivity-in-parkinson-s-disease-is-associated-with-altered-subthalamic-but-not-globus-pallidus-internus-activity
#1
Peter Justin Rossi, Jonathan B Shute, Enrico Opri, Rene Molina, Corinna Peden, Oscar Castellanos, Kelly D Foote, Aysegul Gunduz, Michael S Okun
BACKGROUND: A significant subset of patients with Parkinson's disease (PD) suffer from impulse control disorders (ICDs). A hallmark feature of many ICDs is the pursuit of rewarding behaviours despite negative consequences. Recent evidence implicates the subthalamic nucleus (STN) and globus pallidus internus (GPi) in reward and punishment processing, and deep brain stimulation (DBS) of these structures has been associated with changes in ICD symptoms. METHODS: We tested the hypothesis that in patients with PD diagnosed with ICD, neurons in the STN and GPi would be more responsive to reward-related stimuli and less responsive to loss-related stimuli...
August 19, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28821448/cognitive-impairment-and-gene-expression-alterations-in-a-rodent-model-of-binge-eating-disorder
#2
A Chawla, Z A Cordner, G Boersma, T H Moran
Binge eating disorder (BED) is defined as recurrent, distressing over-consumption of palatable food (PF) in a short time period. Clinical studies suggest that individuals with BED may have impairments in cognitive processes, executive functioning, impulse control, and decision-making, which may play a role in sustaining binge eating behavior. These clinical reports, however, are limited and often conflicting. In this study, we used a limited access rat model of binge-like behavior in order to further explore the effects of binge eating on cognition...
August 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28819131/impulsiveness-does-not-prevent-cooperation-from-emerging-but-reduces-its-occurrence-an-experiment-with-zebra-finches
#3
Camille Chia, Frédérique Dubois
Reciprocal altruism, the most probable mechanism for cooperation among unrelated individuals, can be modelled as a Prisoner's Dilemma. This game predicts that cooperation should evolve whenever the players, who expect to interact repeatedly, make choices contingent to their partner's behaviour. Experimental evidence, however, indicates that reciprocity is rare among animals. One reason for this would be that animals are very impulsive compared to humans. Several studies have reported that temporal discounting (that is, strong preferences for immediate benefits) has indeed a negative impact on the occurrence of cooperation...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818561/the-rise-and-fall-of-impulse-control-behavior-disorders
#4
Giovanni Cossu, Roberta Rinaldi, Carlo Colosimo
INTRODUCTION: Impulse control disorders (ICDs) are psychiatric disorders characterized by the failure to resist an impulse or by the temptation to perform an act that is harmful to oneself or to others. METHODS: ICDs, including pathological gambling, hypersexuality, compulsive eating and shopping, can occur as a complication of Parkinson's disease (PD) together with other behavioral disorders, including dopamine dysregulation syndrome. This review is based on a literature search updated to May 2017, focusing on the epidemiology, clinical features, and therapeutic options of ICDs associated with PD...
August 1, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28815629/impulsive-decision-making-in-young-adult-social-drinkers-and-detoxified-alcohol-dependent-patients-a-cross-sectional-and-longitudinal-study
#5
Nadine Bernhardt, Stephan Nebe, Shakoor Pooseh, Miriam Sebold, Christian Sommer, Julian Birkenstock, Ulrich S Zimmermann, Andreas Heinz, Michael N Smolka
BACKGROUND: Impulsive decision making relates to problematic substance use. Specifically, altered delay discounting has been suggested as a behavioral marker for addiction, while other relevant facets of choice impulsivity such as probability discounting or loss aversion are clearly understudied. METHODS: Two studies were performed collecting behavioral data on choice impulsivity with a value-based decision-making battery providing estimates of delay discounting, probability discounting for gains and losses, and loss aversion...
August 17, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28813109/assessment-of-inhibitory-control-in-crack-and-or-cocaine-users-a-systematic-review
#6
Fernanda Rasch Czermainski, Alice Rodrigues Willhelm, Álvaro Zaneti Santos, Mayra Pacheco Pachado, Rosa Maria Martins de Almeida
Objective: Impairments involving inhibitory control have been considered central deficits in drug users, but it appears that dysfunctions may be specific to users' drug of choice. This article aims to review recent findings on inhibitory control impairment in samples of crack and/or cocaine users. Methods: Searches were conducted on the PubMed, PsycINFO, and Web of Knowledge databases in two stages according to eligibility criteria. Initially, databases were searched and the titles and abstracts of results were analyzed and then selected articles were read in full...
August 14, 2017: Trends in Psychiatry and Psychotherapy
https://www.readbyqxmd.com/read/28813068/cultural-adaptation-of-the-short-self-regulation-questionnaire-suggestions-for-the-speech-area
#7
Anna Alice Almeida, Mara Behlau
Purpose: To present the translated and linguistic and culturally adapted version of the Short self-regulation Questionnaire (SSRQ) for the Brazilian Portuguese and to check its applicability to patients with dysphonia. Methods: The SSRQ is a tool used to evaluate the ability to self-regulate behavior; it has 31 items and generates three scores: total index of individual self-regulation capacity and partial scores for goal setting and impulse control. Each item should be scored by means of a Likert-type 5-point scale; the total score ranges from 29 to 145 points...
August 14, 2017: CoDAS
https://www.readbyqxmd.com/read/28812592/widely-used-marine-seismic-survey-air-gun-operations-negatively-impact-zooplankton
#8
Robert D McCauley, Ryan D Day, Kerrie M Swadling, Quinn P Fitzgibbon, Reg A Watson, Jayson M Semmens
Zooplankton underpin the health and productivity of global marine ecosystems. Here we present evidence that suggests seismic surveys cause significant mortality to zooplankton populations. Seismic surveys are used extensively to explore for petroleum resources using intense, low-frequency, acoustic impulse signals. Experimental air gun signal exposure decreased zooplankton abundance when compared with controls, as measured by sonar (~3-4 dB drop within 15-30 min) and net tows (median 64% decrease within 1 h), and caused a two- to threefold increase in dead adult and larval zooplankton...
June 22, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812272/oxytocin-and-borderline-personality-disorder
#9
Katja Bertsch, Sabine C Herpertz
Borderline personality disorder (BPD) is a prevalent and severe mental disorder with affect dysregulation, impulsivity, and interpersonal dysfunction as its core features. Up to now, six studies have been performed to investigate the role of oxytocin in the pathogenesis of BPD. While a beneficial effect of oxytocin on threat processing and stress responsiveness was found, other studies using an oxytocin challenge design presented with rather heterogeneous results. Future studies have to include a sufficiently large sample of patients, control for gender, and focus on mechanisms known to be related to aversive early life experiences...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28810940/unique-associations-among-emotion-dysregulation-dimensions-and-aggressive-tendencies-a-multisite-study
#10
Patrizia Velotti, Robert Casselman, Carlo Garofalo, Melissa McKenzie
Although problems with emotion regulation (ER) have long been associated with internalizing symptoms, only recently hasan ER framework been applied to the study of aggression. Therefore, little is known about the unique and independent associations between specific domains of the ER construct and different kinds of aggressive tendencies. We sought to explore these associations in two independent samples of young adults. Furthermore, we tested whether gender moderated the proposed emotion dysregulation-aggression link...
August 15, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28810846/personality-traits-and-suicide-attempts-with-and-without-psychiatric-disorders-analysis-of-impulsivity-and-neuroticism
#11
Bo Bi, Wei Liu, Die Zhou, Xu Fu, Xiaoxia Qin, Jiali Wu
BACKGROUND: There is a critical need for empirical data concerning the association of personality traits and attempted suicide with and without psychiatric disorders in mainland China. The objective of the present study is to provide such data by determining the prevalence of psychiatric disorders and analyzing the levels of impulsivity and neuroticism among people who have attempted suicide, and to examine the association between these personality traits and suicide attempt in people with or without psychiatric disorders...
August 15, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28808356/the-gist-of-delay-of-gratification-understanding-and-predicting-problem-behaviors
#12
Valerie F Reyna, Evan A Wilhelms
Delay of gratification captures elements of temptation and self-denial that characterize real-life problems with money and other problem behaviors such as unhealthy risk taking. According to fuzzy-trace theory, decision makers mentally represent social values such as delay of gratification in a coarse but meaningful form of memory called "gist." Applying this theory, we developed a gist measure of delay of gratification that does not involve quantitative trade-offs (as delay discounting does) and hypothesize that this construct explains unique variance beyond sensation seeking and inhibition in accounting for problem behaviors...
April 2017: Journal of Behavioral Decision Making
https://www.readbyqxmd.com/read/28807728/vestibulo-ocular-reflex-abnormality-in-parkinson-s-disease-detected-by-video-head-impulse-test
#13
Wen Lv, Qiongfeng Guan, Xingyue Hu, Jiaqi Chen, Hong Jiang, Lisan Zhang, Weinv Fan
BACKGROUND: Parkinson's disease (PD) is a common neurodegenerative disease characterized by dopaminergic neuronal loss. The underlying cause of PD is unknown. OBJECTIVE: To assess the clinical relevance of vestibular-ocular reflex (VOR) gain in patients with PD, especially those in the early stages. METHODS: Sixty-three PD patients and 56 control healthy individuals were enrolled in this study between Mar 2015 and Aug 2015. VOR gains were determined by video head impulse test (vHIT) device...
August 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28805580/tourette-syndrome-and-chronic-tic-disorders-the-clinical-spectrum-beyond-tics
#14
Davide Martino, Christos Ganos, Tamara M Pringsheim
The clinical surveillance and active management of Tourette syndrome (TS) and other primary chronic tic disorders cannot be limited to tics, as these patients manifest a spectrum of sensory-, behavioral-, cognitive-, and sleep-related problems that have a major impact on their functioning and quality of life, influencing enormously clinical decision making on a routine basis. The sensory phenomena of primary tic disorders consist of premonitory urges and heightened sensitivity to external somatosensory and interoceptive stimuli...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28804465/personality-traits-related-to-binge-drinking-a-systematic-review
#15
REVIEW
Ana Adan, Diego A Forero, José Francisco Navarro
The pattern of alcohol consumption in the form of binge drinking (BD) or heavy episodic drinking has increased notably worldwide in recent years, especially among adolescent and young people, being currently recognized as a global health problem. Although only a minority of binge drinkers will develop a substance use disorder, BD may have negative personal and social consequences in the short and medium term. The objective of this article is to review the findings on personality traits related to binge drinkers and to emphasize the aspects that should be examined in order to make progress in this area...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28803592/brain-alterations-potentially-associated-with-aggression-and-terrorism
#16
Bernhard Bogerts, Maria Schöne, Stephanie Breitschuh
A large proportion of the persons who join terrorist groups as well as lone-acting terrorists have a history of violent behavior or mental disorder that predated their becoming terrorists. This suggests that brain alterations found to occur in violent perpetrators may also be present in a significant percentage of terrorists. After a short delineation of phylogenetically old neuronal networks that are important for the generation of aggressive behavior in inconspicuous brains, this review summarizes structural and functional brain-imaging studies in violent offenders published over the last 10 years...
August 14, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28802938/impulse-control-and-related-disorders-in-parkinson-s-disease
#17
Daniel Weintraub, Daniel O Claassen
Impulse control disorders (ICDs), such as compulsive gambling, buying, sexual, and eating behaviors, are a serious and increasingly recognized complication in Parkinson's disease (PD), occurring in up to 20% of PD patients over the course of their illness. Related behaviors include punding (stereotyped, repetitive, purposeless behaviors), dopamine dysregulation syndrome (DDS) (compulsive medication overuse), and hobbyism (e.g., compulsive internet use, artistic endeavors, and writing). These disorders have a significant impact on quality of life and function, strain interpersonal relationships, and worsen caregiver burden, and are associated with significant psychiatric comorbidity...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28800269/the-connections-among-suicidal-behavior-lipid-profile-and-low-grade-inflammation-in-patients-with-major-depressive-disorder-a-specific-relationship-with-the-neutrophil-to-lymphocyte-ratio
#18
Okan Ekinci, Asli Ekinci
OBJECTIVES: The role of inflammation and lipid metabolism in the pathophysiology of suicidal behavior has received particular attention in recent years. The neutrophil-to-lymphocyte ratio (NLR) has been suggested as a new and more reliable indicator of low-grade inflammation. NLR has been found to be altered in major depressive disorder (MDD) and has been related to various factors, including chronic stress and impulsivity that were previously reported to be related to suicidal behavior...
August 11, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28800192/efficacy-and-safety-of-driver-guided-catheter-ablation-for-atrial-fibrillation-a-systematic-review-and-meta-analysis
#19
F Daniel Ramirez, David H Birnie, Girish M Nair, Agnieszka Szczotka, Calum J Redpath, Mouhannad M Sadek, Pablo B Nery
INTRODUCTION: Targeting localized drivers (electrical rotors or focal impulses) during catheter ablation for atrial fibrillation (AF) has been proposed as a strategy to improve procedural success. However, the strength and quality of the evidence to support this approach is unclear. METHODS AND RESULTS: Clinical studies reporting efficacy or safety outcomes of driver-guided ablation for AF were identified in Medline, Embase, the Cochrane Central Register of Controlled Trials, the Cochrane Database of Systematic Reviews, Pubmed, and conference abstracts from major scientific meetings...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28797564/impact-of-anxiety-apathy-and-reduced-functional-autonomy-on-perceived-quality-of-life-in-parkinson-s-disease
#20
Alfonsina D'Iorio, Carmine Vitale, Fausta Piscopo, Chiara Baiano, Anna Paola Falanga, Katia Longo, Marianna Amboni, Paolo Barone, Gabriella Santangelo
INTRODUCTION: Parkinson's disease (PD) is characterized by a wide spectrum of non-motor symptoms that may impact negatively on the activities of the patient's daily life and reduce Health-related quality of life (HRQoL). The present study explored the impact of specific non-motor symptoms on the HRQoL in PD. METHODS: Eighty-four outpatients underwent the Montreal Cognitive Assessment (MoCA) assessing global functioning and several questionnaires to assess depression, apathy, impulse control disorders (ICD), anxiety, anhedonia and functional impact of cognitive impairment...
August 5, 2017: Parkinsonism & related Disorders
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