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https://www.readbyqxmd.com/read/29352848/association-between-perceived-level-of-stress-clinical-characteristics-and-psychopathological-symptoms-in-women-with-systemic-lupus-erythematosus
#1
María Isabel Peralta-Ramírez, José Manuel Pérez-Mármol, Margarita Castañeda-Cabestany, Ana María Santos-Ruiz, Eva Montero-López, José Luís Callejas-Rubio, Nuria Navarrete-Navarrete, José Carlos Fernández-Sánchez, Juan Francisco Jiménez-Alonso, Norberto Ortego-Centeno, José Mario Sabio, Marta García-Morales
OBJECTIVES: To evaluate psychopathological status and stress level from a sample with SLE; compare mental functioning and stress levels between women with SLE and healthy women; determine whether disease duration, disease activity, cumulative organ damage and stress have an influence on psychopathological symptoms in SLE patients; and evaluate whether perception of stress is related to SLE severity. METHODS: We conducted a cross-sectional study of 425 participants; 202 women with SLE, with an average age (SD) of 36...
January 15, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352026/addictive-behaviour-in-experimental-animals-prospects-for-translation
#2
REVIEW
Barry J Everitt, Chiara Giuliano, David Belin
Since the introduction of intravenous drug self-administration methodology over 50 years ago, experimental investigation of addictive behaviour has delivered an enormous body of data on the neural, psychological and molecular mechanisms of drug reward and reinforcement and the neuroadaptations to chronic use. Whether or not these behavioural and molecular studies are viewed as modelling the underpinnings of addiction in humans, the discussion presented here highlights two areas-the impact of drug-associated conditioned stimuli-or drug cues-on drug seeking and relapse, and compulsive cocaine seeking...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352024/neuropharmacology-of-compulsive-eating
#3
REVIEW
Catherine F Moore, Julia I Panciera, Valentina Sabino, Pietro Cottone
Compulsive eating behaviour is a transdiagnostic construct observed in certain forms of obesity and eating disorders, as well as in the proposed construct of 'food addiction'. Compulsive eating can be conceptualized as comprising three elements: (i) habitual overeating, (ii) overeating to relieve a negative emotional state, and (iii) overeating despite adverse consequences. Neurobiological processes that include maladaptive habit formation, the emergence of a negative affect, and dysfunctions in inhibitory control are thought to drive the development and persistence of compulsive eating behaviour...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352023/monoamine-abnormalities-in-the-sapap3-knockout-model-of-obsessive-compulsive-disorder-related-behaviour
#4
Jesse Wood, Zoe LaPalombara, Susanne E Ahmari
Obsessive-compulsive disorder (OCD) is a leading cause of illness-related disability, but the neural mechanisms underlying OCD symptoms are unclear. One potential mechanism of OCD pathology is monoamine dysregulation. Because of the difficulty of studying monoamine signalling in patients, animal models offer a viable alternative to understanding this aspect of OCD pathophysiology. We used HPLC to characterize post-mortem monoamine levels in lateral orbitofrontal cortex (OFC), medial OFC, medial prefrontal cortex and dorsal and ventral striatum of SAPAP-3 knockout (KO) mice, a well-validated model of compulsive-like behaviours in OCD...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29349890/case-report-cytochrome-p450-implications-for-comorbid-adhd-and-ocd-pharmacotherapy
#5
Michaela K Hogan, Nikhil P Rao
TOPIC: This case report details the treatment of an early adolescent already receiving treatment for attention-deficit hyperactivity disorder who presents with recurrent obsessive-compulsive disorder. Potential atomoxetine (Strattera) and fluoxetine (Prozac) interactions via Cytochrome P450 (CYP450) pathways are examined and alternate therapies are recommended. PURPOSE: Provide a discussion of psychopharmacogenomics, especially in the case of combining medications, CYP450 enzymes, and clinical implications in the context of the burgeoning field of precision medicine...
January 19, 2018: Journal of Child and Adolescent Psychiatric Nursing
https://www.readbyqxmd.com/read/29349864/the-morphometric-co-atrophy-networking-of-schizophrenia-autistic-and-obsessive-spectrum-disorders
#6
Franco Cauda, Andrea Nani, Tommaso Costa, Sara Palermo, Karina Tatu, Jordi Manuello, Sergio Duca, Peter T Fox, Roberto Keller
By means of a novel methodology that can statistically derive patterns of co-alterations distribution from voxel-based morphological data, this study analyzes the patterns of brain alterations of three important psychiatric spectra-that is, schizophrenia spectrum disorder (SCZD), autistic spectrum disorder (ASD), and obsessive-compulsive spectrum disorder (OCSD). Our analysis provides five important results. First, in SCZD, ASD, and OCSD brain alterations do not distribute randomly but, rather, follow network-like patterns of co-alteration...
January 18, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29348190/pronounced-hyperactivity-cognitive-dysfunctions-and-bdnf-dysregulation-in-dopamine-transporter-knockout-rats
#7
Damiana Leo, Ilya Sukhanov, Francesca Zoratto, Placido Illiano, Lucia Caffino, Fabrizio Sanna, Giulia Messa, Marco Emanuele, Alessandro Esposito, Maria Dorofeikova, Evgeny A Budygin, Liudmila Mus, Evgenia E Efimova, Marco Niello, Stefano Espinoza, Tatyana D Sotnikova, Marius C Hoener, Gianni Laviola, Fabio Fumagalli, Walter Adriani, Raul R Gainetdinov
Dopamine (DA) controls many vital physiological functions and is critically involved in several neuropsychiatric disorders such as schizophrenia and attention deficit hyperactivity disorder (ADHD). The major function of the plasma membrane dopamine transporter (DAT) is the rapid uptake of released DA into presynaptic nerve terminals leading to control of both the extracellular levels of DA and the intracellular stores of DA. Here, we present a newly developed strain of rats (DAT-knockout, DAT-KO rats) in which the gene encoding the DAT has been disrupted by using zinc finger nuclease technology (ZFN)...
January 18, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29343875/-trazodone-prolonged-release-in-bipolar-disorder-ii-obsessive-compulsive-disorder-comorbidity-a-case-report
#8
Liliana Lorettu, Giampiero Meli, Elena Antonioli, Antonio Zeppa, Paolo Milia, Alessandra Nivoli
Approximately 21% of patients with bipolar disorder (BD) also have an additional diagnosis of obsessive-compulsive disorder (OCD). This condition is associated with a more severe prognosis and complicates the treatment of BD. In our case report we provide documentary evidence of our experience with trazodone prolonged release in the treatment of depressive phase in a patient with BD II-OCD comorbidity. Rationality in the choise of treatment was based on the need to manage depressive and obsessive symptoms without facilitating hypomania switches...
November 2017: Rivista di Psichiatria
https://www.readbyqxmd.com/read/29343228/problematic-internet-use-and-psychiatric-co-morbidity-in-a-population-of-japanese-adult-psychiatric-patients
#9
Hille T de Vries, Takashi Nakamae, Kenji Fukui, Damiaan Denys, Jin Narumoto
BACKGROUND: Many studies reported the high prevalence of problematic internet use (PIU) among adolescents (13-50%), and PIU was associated with various psychiatric symptoms. In contrast, only a few studies investigated the prevalence among the adult population (6%). This study aimed to investigate the prevalence of PIU and psychiatric co-morbidity among adult psychiatric patients. METHODS: Three hundred thirty-three adult psychiatric patients were recruited over a 3-month period...
January 17, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29340590/efficacy-and-safety-of-deep-brain-stimulation-in-tourette-syndrome-the-international-tourette-syndrome-deep-brain-stimulation-public-database-and-registry
#10
Daniel Martinez-Ramirez, Joohi Jimenez-Shahed, James Frederick Leckman, Mauro Porta, Domenico Servello, Fan-Gang Meng, Jens Kuhn, Daniel Huys, Juan Carlos Baldermann, Thomas Foltynie, Marwan I Hariz, Eileen M Joyce, Ludvic Zrinzo, Zinovia Kefalopoulou, Peter Silburn, Terry Coyne, Alon Y Mogilner, Michael H Pourfar, Suketu M Khandhar, Man Auyeung, Jill Louise Ostrem, Veerle Visser-Vandewalle, Marie-Laure Welter, Luc Mallet, Carine Karachi, Jean Luc Houeto, Bryan Timothy Klassen, Linda Ackermans, Takanobu Kaido, Yasin Temel, Robert E Gross, Harrison C Walker, Andres M Lozano, Benjamin L Walter, Zoltan Mari, William S Anderson, Barbara Kelly Changizi, Elena Moro, Sarah Elizabeth Zauber, Lauren E Schrock, Jian-Guo Zhang, Wei Hu, Kyle Rizer, Erin H Monari, Kelly D Foote, Irene A Malaty, Wissam Deeb, Aysegul Gunduz, Michael S Okun
Importance: Collective evidence has strongly suggested that deep brain stimulation (DBS) is a promising therapy for Tourette syndrome. Objective: To assess the efficacy and safety of DBS in a multinational cohort of patients with Tourette syndrome. Design, Setting, and Participants: The prospective International Deep Brain Stimulation Database and Registry included 185 patients with medically refractory Tourette syndrome who underwent DBS implantation from January 1, 2012, to December 31, 2016, at 31 institutions in 10 countries worldwide...
January 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29338800/a-preliminary-investigation-of-pathways-to-inflated-responsibility-beliefs-in-children-with-obsessive-compulsive-disorder
#11
Lindsey M Collins, Meredith E Coles
BACKGROUND: Cognitive theorists posit that inflated responsibility beliefs contribute to the development of obsessive compulsive disorder (OCD). Salkovskis et al. (1999) proposed that experiencing heightened responsibility, overprotective parents and rigid rules, and thinking one influenced or caused a negative life event act as 'pathways' to the development of inflated responsibility beliefs, thereby increasing risk for OCD. Studies in adults with OCD and non-clinical adolescents support the link between these experiences and responsibility beliefs (Coles et al...
January 17, 2018: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/29338020/autonomic-stress-reactivity-and-craving-in-individuals-with-problematic-internet-use
#12
Tania Moretta, Giulia Buodo
The link between autonomic stress reactivity and subjective urge/craving has been less systematically examined in behavioral addictions (i.e. problematic Internet use) than in substance use disorders. The present study investigated whether problematic Internet users (PU) show enhanced autonomic stress reactivity than non-PU, indexed by lower Heart Rate Variability (HRV) and higher Skin Conductance Level (SCL) reactivity during the Trier Social Stress Test (TSST), whether greater reactivity is related to stronger Internet craving, and whether problematic Internet usage is associated with some dysfunctional psychological features...
2018: PloS One
https://www.readbyqxmd.com/read/29337083/palmitoylethanolamide-attenuates-cocaine-induced-behavioral-sensitization-and-conditioned-place-preference-in-mice
#13
Emma Zambrana-Infantes, Cristina Rosell Del Valle, David Ladrón de Guevara-Miranda, Pablo Galeano, Estela Castilla-Ortega, Fernando Rodríguez De Fonseca, Eduardo Blanco, Luis Javier Santín
Cocaine addiction is a chronically relapsing disorder characterized by compulsive drug-seeking and drug-taking behaviors. Previous studies have demonstrated that cocaine, as well as other drugs of abuse, alters the levels of lipid-based signaling molecules, such as N-acylethanolamines (NAEs). Moreover, brain levels of NAEs have shown sensitivity to cocaine self-administration and extinction training in rodents. Given this background, the aim of this study was to investigate the effects of repeated or acute administration of palmitoylethanolamide (PEA), an endogenous NAE, on psychomotor sensitization and cocaine-induced contextual conditioning...
January 11, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29336012/predictors-and-consequences-of-health-anxiety-symptoms-a-novel-twin-modeling-study
#14
C López-Solà, M Bui, J L Hopper, L F Fontenelle, C G Davey, C Pantelis, P Alonso, O A van den Heuvel, B J Harrison
OBJECTIVE: The question of how to best conceptualize health anxiety (HA) from a diagnostic and etiological perspective remains debated. The aim was to examine the relationship between HA and the symptoms of anxiety and obsessive-compulsive-related disorders in a normative twin population. METHOD: Four hundred and ninety-six monozygotic adult twin pairs from the Australian Twin Registry participated in the study (age, 34.4 ± 7.72 years; 59% females). Validated scales were used to assess each domain...
January 15, 2018: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/29334657/relationship-of-obsessive-compulsive-symptoms-to-clinical-variables-and-cognitive-functions-in-individuals-at-ultra-high-risk-for-psychosis
#15
Ahmet Zihni Soyata, Selin Akışık, Damla İnhanlı, Handan Noyan, Alp Üçok
Few studies have investigated the relationship between obsessive-compulsive symptoms (OCS) and clinical variables, and cognition in individuals at ultra high-risk (UHR) for psychosis. The aim of this study was to evaluate the frequency of OCS and their relationship with clinical variables and cognitive functions in individuals at UHR. Eighty-four individuals at UHR for psychosis were administered the Brief Psychiatric Rating Scale, the Yale-Brown Obsession Compulsion Symptom Check List and, the Calgary Depression Scale for Schizophrenia...
January 6, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29333201/dispositional-mindfulness-shame-and-compulsive-sexual-behaviors-among-men-in-residential-treatment-for-substance-use-disorders
#16
Meagan J Brem, Ryan C Shorey, Scott Anderson, Gregory L Stuart
Approximately 31% of men in treatment for a substance use disorders (SUD) engage in compulsive sexual behavior (CSB). Shame, a well-documented consequence of CSB, increases the likelihood of relapse following treatment for SUDs. Despite the risk of relapse, prior research has not investigated factors that may attenuate the relation between CSB and shame. Dispositional mindfulness is one such factor known to mitigate shame. However, researchers have yet to examine dispositional mindfulness as a moderator of the relationship between CSB and shame among a sample of men in treatment for SUDs...
December 2017: Mindfulness
https://www.readbyqxmd.com/read/29332631/treatment-utilization-and-barriers-to-treatment-among-individuals-with-olfactory-reference-syndrome-ors
#17
Jennifer L Greenberg, Noah C Berman, Valerie Braddick, Rachel Schwartz, Suraj S Mothi, Sabine Wilhelm
OBJECTIVE: Olfactory reference syndrome (ORS) is characterized by a preoccupation that one is emitting a foul or offensive odor. Despite the profound psychosocial impact of ORS, many patients do not receive appropriate treatment, and there is no empirical research on treatment-seeking behavior in ORS. This study investigated treatment utilization patterns and barriers to treatment in individuals with ORS. METHOD: 253 subjects completed an online survey between January-March 2010...
February 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29332084/thalamic-deep-brain-stimulation
#18
Benjamin B Whiting, Alexander C Whiting, Donald M Whiting
The use of deep brain stimulation (DBS) of the thalamus has been proven to be a safe and efficacious treatment for the management of many diseases. The most common indication for thalamic DBS remains essential tremor (ET), one of the most common movement disorders in the world. ET patients should be considered for surgical intervention when their tremor has demonstrated to be refractory to medication, a characteristic estimated to be present in roughly 50% of ET cases. Advantages of DBS over thalamotomy include its reversibility, the ability to adjust stimulation settings to optimize efficacy and minimize side effects, the ability to perform bilateral procedures safely, and an association with a lower risk of postoperative cognitive problems...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332078/magnetic-resonance-guided-high-intensity-focused-ultrasound-for-treating-movement-disorders
#19
Young Goo Kim, Eun Jung Kweon, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
Transcranial magnetic resonance-guided focused ultrasound (MRgFUS) surgery has recently gained favor as a novel, noninvasive alternative to conventional neurosurgery. In contrast to traditional ablative interventions, transcranial MRgFUS surgery is entirely imaging-guided and uses continuous temperature measurements at the target and surrounding tissue taken in real-time. Unlike Gamma Knife radiosurgery, MRgFUS surgery can make a lesion immediately and does not use ionizing radiation. Moreover, since no metallic device is implanted, MR imaging-based diagnosis is not restricted throughout life...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331882/association-analysis-of-slc6a4-and-htr2a-genes-with-obsessive-compulsive-disorder-influence-of-the-stin2-polymorphism
#20
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
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