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Behavioral disorders

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https://www.readbyqxmd.com/read/28934666/behavioral-approach-and-orbitofrontal-cortical-activity-during-decision-making-in-substance-dependence
#1
Dorothy J Yamamoto, Marie T Banich, Michael F Regner, Joseph T Sakai, Jody Tanabe
Behavioral approach, defined as behavior directed toward a reward or novel stimulus, when elevated, may increase one's vulnerability to substance use disorder. Behavioral approach has been associated with relatively greater left compared to right frontal activity; behavioral inhibition may be associated with relatively greater right compared to left frontal brain activity. We hypothesized that substance dependent individuals (SDI) would have higher behavioral approach than controls and greater prefrontal cortical activity during decision-making involving reward...
September 14, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28934376/managing-menopausal-symptoms-and-associated-clinical-issues-in-breast-cancer-survivors
#2
Richard J Santen, Cynthia A Stuenkel, Susan R Davis, JoAnn V Pinkerton, Anne Gompel, Mary Ann Lumsden
Objective: Review evidence to guide the management of menopausal signs and symptoms in women after breast cancer and make recommendations accordingly. Evidence: Randomized controlled clinical trials, observational studies, evidence- based guidelines, and expert opinion from professional societies. Background: Several symptoms and clinical problems associated with estrogen depletion -sleep disorders, vulvovaginal atrophy (VVA), vasomotor symptoms (VMS), mood changes, depressive symptoms, cardiovascular disease, osteopenia and osteoporosis- confront the estimated 9...
August 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28934194/arginine-vasopressin-ameliorates-spatial-learning-impairments-in-chronic-cerebral-hypoperfusion-via-v1a-receptor-and-autophagy-signaling-partially
#3
C Yang, X Zhang, J Gao, M Wang, Z Yang
Chronic cerebral hypoperfusion (CCH) is a major factor contributing to neurological disorders and cognitive decline. Autophagy activation is believed to provide both beneficial and detrimental roles during hypoxic/ischemic cellular injury. Although arginine vasopressin (AVP) has been strongly involved in many behaviors, especially in learning and memory, the effects of AVP on CCH and their molecular mechanisms remain unclear. Here, to investigate whether there was neuroprotective effects of AVP on CCH through V1a receptor (an AVP receptor) signaling, permanent bilateral carotid arteries occlusion (two vessel occlusion, 2VO) was used to establish a rat model of CCH, and hypertonic saline (5...
July 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28934078/abnormal-white-matter-microstructure-among-early-adulthood-smokers-a-tract-based-spatial-statistics-study
#4
Shuangkun Wang, Long Zuo, Tao Jiang, Peng Peng, Shuilian Chu, Dan Xiao
Objectives Cigarette smoking is an important risk factor of central nervous system diseases. However, the white matter (WM) integrity of early adulthood chronic smokers has not been attached enough importance to as it deserves, and the relationship between the chronic smoking effect and the WM is still unclear. The purpose of this study was to investigate whole - brain WM microstructure of early adulthood smokers and explore the structural correlates of behaviorally relevant features of the disorder. Methods We compared multiple DTI-derived indices, including fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD) and radial diffusivity (RD), between early adulthood smokers (n = 19) and age-, education- and gender-matched controls (n = 23) using a whole-brain tract-based spatial statistics approach...
September 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28934025/tamec-a-new-analogue-of-cyclomyrsinol-diterpenes-decreases-anxiety-and-depression-like-behaviors-in-a-mouse-model-of-multiple-sclerosis
#5
Abdul Majid Ayatollahi, Mostafa Haji Molla Hoseini, Syed Mustafa Ghanadian, Morteza Kosari-Nasab, Fatemeh Mami, Zeinab Yazdiniapoure, Behzad Zolfaghari, Ali-Akbar Salari
Objectives There is a significant prevalence of affective disorders including depression and anxiety in people with multiple sclerosis (MS), resulting in reduced quality of life. Since the current treatments are not generally effective, further studies are needed to find appropriate drugs to alleviate anxiety and depression symptoms in these patients. Methods The effects of a new analog of cyclomyrsinol diterpenes (TAMEC) isolated from Euphorbia sogdiana on the anxiety (open field and elevated plus maze test) and depressive-like behaviors (sucrose preference test and forced swim test) in EAE-induced C57BL/6 mice (EAE; a mouse model of MS) were investigated...
September 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28933969/psychopharmacological-advances-in-eating-disorders
#6
Hubertus Himmerich, Janet Treasure
Anorexia nervosa (AN), bulimia nervosa (BN) and binge eating disorder (BED) are the primary eating disorders (EDs). The only psychopharmacological treatment options for EDs with approval in some countries include fluoxetine for BN and lisdexamfetamine for BED. Given the high comorbidity and genetic correlations with other psychiatric disorders, it seems possible that novel medications for these conditions might also be effective in EDs. Areas Covered: The current scientific literature has increased our understanding of how medication could be beneficial for patients with EDs on a molecular, functional and behavioral level...
September 21, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28933888/identifying-stable-variants-of-callous-unemotional-traits-a-longitudinal-study-of-at-risk-girls
#7
Natalie Goulter, Eva R Kimonis, Samuel W Hawes, Stephanie Stepp, Alison E Hipwell
Callous-unemotional (CU) traits have proven important for designating children and adolescents showing a pattern of particularly severe, stable, and aggressive antisocial behaviors (Frick, Ray, Thornton, & Kahn, 2014). Individuals with secondary CU traits represent a subpopulation that are distinguished from those with primary CU traits by their high anxiety levels and marked histories of social/environmental adversity; however, evidence is largely based on cross-sectional male samples and this study is the first to examine stable trajectories of CU variants among an all-girl population...
September 21, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28933311/mg17-a-novel-triazole-derivative-abrogated-neuroinflammation-and-related-neurodegenerative-symptoms-in-rodents
#8
Gangadhar Matharasala, Ganesh Samala, Yogeeswari Perumal
The objective of present study is to explore multiple effects of the compound MG17 and relate them to achieve better therapeutic potential against neuroinflammation related disorders. We examined whether our compound is acting through regulating neuroinflammatory mediators. We have done some preliminary behavioral studies to shortlist the derivatives using rodent models of peripheral nerve injury in our earlier publication and now we extended our screening studies to explore the test compounds efficacy on other related peripheral neurological disorders such as Streptozotocin-induced diabetic peripheral neuropathy (DPN) and methyl mercury (MeHg) induced neurodegeneration in rats...
September 19, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/28933254/the-efficacy-of-a-working-memory-training-in-substance-use-patients-a-randomized-double-blind-placebo-controlled-clinical-trial
#9
Sabine Wanmaker, Sophie Maaike Jorinde Leijdesdorff, Elke Geraerts, Ben J M van de Wetering, Peter J Renkema, Ingmar H A Franken
INTRODUCTION: Substance use disorder patients show impairments in working memory (WM) functioning. Previous findings indicate that a WM training results in improvements of working memory capacity (WMC) and in decreased clinical symptoms in a range of mental disorders, including alcohol use disorder. METHOD: The aim of the current study is to investigate the efficacy of a 24-session WM training in addition to treatment as usual on craving, WMC, substance use, impulsivity, attention bias, and psychopathology using a randomized double-blind placebo-controlled trial...
September 21, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28933225/inflammation-relates-to-chronic-behavioral-and-neurological-symptoms-in-military-personnel-with-traumatic-brain-injuries
#10
Christina Devoto, Lindsay Arcurio, Joseph Fetta, Mary Ley, Tamar Rodney, Rebekah Kanefsky, Jessica Gill
Studies have shown that the presence of acute inflammation during recovery is indicative of poor outcomes after a traumatic brain injury (TBI); however, the role of chronic inflammation in predicting post-TBI-related symptoms remains poorly understood. The purpose of this study was to compare inflammatory biomarkers (tumor necrosis factor [TNF]-α, interleukin [IL]-6, and IL-10) in active duty personnel who either sustained or did not sustain a TBI. Service members were also assessed for post-traumatic stress disorder (PTSD), depression, and quality of life through self-reported measures...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28932960/validation-of-the-repetitive-behavior-scale-revised-in-spanish-speakers-participants-with-autism-spectrum-disorder
#11
A E Martínez-González, J A Piqueras
Restricted and repetitive behavior (RRB) is one of the two key diagnostic features of autism spectrum disorder (ASD). DSM-5 highlights the importance of severity-based diagnostic modifiers assigned on the basis of intensity of needed supports. Therefore, there is a need for available measures that assess the severity of RRB. The repetitive behavior scale-revised (RBS-R) is probably the most used informant-based rating scale for the assessment of RRB and interests observed in ASD. The present study examined the psychometric properties of the Spanish version of the RBS-R in a sample of 233 participants with ASD, aged 3 to 63 years...
September 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28932652/psychosocial-treatment-options-for-major-depressive-disorder-in-older-adults
#12
Brenna N Renn, Patricia A Areán
Late-life depression (LLD) is a public health concern with deleterious effects on overall health, cognition, quality of life, and mortality. Although LLD is relatively common, it is not a normal part of aging and is often under-recognized in older adults. However, psychotherapy is an effective treatment for LLD that aligns with many patients' preferences and can improve health and functioning. This review synthesized the current literature on evidence-based psychotherapies for the treatment of depression in older adults...
March 2017: Current Treatment Options in Psychiatry
https://www.readbyqxmd.com/read/28932600/abnormal-n400-semantic-priming-effect-may-reflect-psychopathological-processes-in-schizophrenia-a-twin-study
#13
Anuradha Sharma, Heinrich Sauer, Holger Hill, Claudia Kaufmann, Stephan Bender, Matthias Weisbrod
OBJECTIVE: Activation of semantic networks is indexed by the N400 effect. We used a twin study design to investigate whether N400 effect abnormalities reflect genetic/trait liability or are related to psychopathological processes in schizophrenia. METHODS: We employed robust linear regression to compare N400 and behavioral priming effects across 36 monozygotic twin pairs (6 pairs concordant for schizophrenia/schizoaffective disorder, 11 discordant pairs, and 19 healthy control pairs) performing a lexical decision task...
2017: Schizophrenia Research and Treatment
https://www.readbyqxmd.com/read/28931906/discrete-time-quantum-walk-with-phase-disorder-localization-and-entanglement-entropy
#14
Meng Zeng, Ee Hou Yong
Quantum Walk (QW) has very different transport properties to its classical counterpart due to interference effects. Here we study the discrete-time quantum walk (DTQW) with on-site static/dynamic phase disorder following either binary or uniform distribution in both one and two dimensions. For one dimension, we consider the Hadamard coin; for two dimensions, we consider either a 2-level Hadamard coin (Hadamard walk) or a 4-level Grover coin (Grover walk) for the rotation in coin-space. We study the transport properties e...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931574/enhanced-nociception-in-angelman-syndrome-model-mice
#15
Eric S McCoy, Bonnie Taylor-Blake, Megumi Aita, Jeremy M Simon, Benjamin D Philpot, Mark J Zylka
Angelman syndrome (AS) is a severe neurodevelopmental disorder caused by mutation or deletion of the maternal UBE3A allele. The maternal UBE3A allele is expressed in nearly all neurons of the brain and spinal cord, whereas the paternal UBE3A allele is repressed by an extremely long antisense transcript (UBE3A-ATS). Little is known about expression of UBE3A in the peripheral nervous system, where loss of maternal UBE3A might contribute to AS phenotypes. Here we sought to examine maternal and paternal Ube3a expression in dorsal root ganglia (DRG) neurons and to evaluate whether nociceptive responses were affected in AS model mice (global deletion of maternal Ube3a allele; Ube3a(m-/p+) )...
September 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28931447/psychopathology-of-terrorists
#16
Armando Piccinni, Donatella Marazziti, Antonello Veltri
Terrorist behavior represents a subtype of human aggression probably determined by a combination of biological, psychological, and social factors, as well as by peculiar environmental influences and group dynamics. As regards terrorists' psychological characteristics, the available studies (mostly carried out with no sound scientific design) have failed to identify the common or typical pathological personality traits of modern terrorists. The popular opinion that terrorists must be insane or psychopathic is still widespread; however, no evidence exists that terrorist behavior may be caused either by prior or current psychiatric disorders or psychopathy...
September 21, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28931446/prevalence-estimates-of-mild-behavioral-impairment-in-a-population-based-sample-of-pre-dementia-states-and-cognitively-healthy-older-adults
#17
Moyra E Mortby, Zahinoor Ismail, Kaarin J Anstey
BACKGROUND: A dearth of population-based epidemiological research examines neuropsychiatric symptom (NPS) in sub-clinical populations across the spectrum from normal aging to mild cognitive impairment (MCI). The construct of mild behavioral impairment (MBI) describes the emergence of sustained and impactful NPS in advance of or in combination with MCI. This is the first epidemiological study to operationalize the recently published diagnostic criteria for MBI and determine prevalence estimates across the spectrum from cognitively normal to MCI...
September 21, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28931433/role-of-gabaa-receptors-in-alcohol-use-disorders-suggested-by-chronic-intermittent-ethanol-cie-rodent-model
#18
REVIEW
Richard W Olsen, Jing Liang
GABAergic inhibitory transmission is involved in the acute and chronic effects of ethanol on the brain and behavior. One-dose ethanol exposure induces transient plastic changes in GABAA receptor subunit levels, composition, and regional and subcellular localization. Rapid down-regulation of early responder δ subunit-containing GABAA receptor subtypes mediating ethanol-sensitive tonic inhibitory currents in critical neuronal circuits corresponds to rapid tolerance to ethanol's behavioral responses. Slightly slower, α1 subunit-containing GABAA receptor subtypes mediating ethanol-insensitive synaptic inhibition are down-regulated, corresponding to tolerance to additional ethanol behaviors plus cross-tolerance to other GABAergic drugs including benzodiazepines, anesthetics, and neurosteroids, especially sedative-hypnotic effects...
September 20, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28931410/lentivirus-mediated-interleukin-1%C3%AE-il-1%C3%AE-knock-down-in-the-hippocampus-alleviates-lipopolysaccharide-lps-induced-memory-deficits-and-anxiety-and-depression-like-behaviors-in-mice
#19
Mengmeng Li, Chenli Li, Hanjie Yu, Xiongxiong Cai, Xinbei Shen, Xin Sun, Jinting Wang, Yanhua Zhang, Chuang Wang
BACKGROUND: Recent evidence has suggested that peripheral inflammatory responses induced by lipopolysaccharides (LPS) play an important role in neuropsychiatric dysfunction in rodents. Interleukin-1β (IL-1β), a pro-inflammatory cytokine, has been proposed to be a key mediator in a variety of behavioral dysfunction induced by LPS in mice. Thus, inhibition of IL-1β may have a therapeutic benefit in the treatment of neuropsychiatric disorders. However, the precise underlying mechanism of knock-down of IL-1β in repairing behavioral changes by LPS remains unclear...
September 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28930927/oral-behaviors-and-parafunctions-comparison-of-temporomandibular-dysfunction-patients-and-controls
#20
Marijus Leketas, Viktoras Šaferis, Ričardas Kubilius, Gabriele Cervino, Ennio Bramanti, Marco Cicciù
The aim of this study is to evaluate the frequency of oral behaviors in patients with temporomandibular disorders (TMD) and a control group without TMD.In this baseline case-control study, 260 controls and 260 subjects with TMD completed the oral behaviors checklist defined as a "self-report scale for identifying and quantifying the frequency of jaw overuse behavior" and underwent clinical examinations using the DC/TMJ international examination form (version May 12, 2013). Relationships of oral parafunctions' frequencies between groups were examined...
September 19, 2017: Journal of Craniofacial Surgery
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