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Cristan Farmer, Margo Thienemann, Collin Leibold, Gabrielle Kamalani, Bethany Sauls, Jennifer Frankovich
Objectives: To establish the psychometric properties of the Caregiver Burden Inventory (CBI) in patients with Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), which is characterized by the abrupt onset of obsessive-compulsive disorder and/or restricted eating and at least two additional psychiatric symptoms. Parents of patients with PANS have reported high caregiver burden. However, no validated instrument of burden exists for this population. Methods: Study took place at a community-based PANS clinic where the CBI is administered as part of routine clinical care...
March 14, 2018: Journal of Pediatric Psychology
Noam Zilberman, Gal Yadid, Yaniv Efrati, Yehuda Neumark, Yuri Rassovsky
Substance-related and behavioral addictions are extremely prevalent and represent a major public health concern. In the ongoing attempt to understand the addictive personality, contradictory results have arisen from studies that have explored personality traits in different addiction populations. The diversity across addiction types suggests that some of these inconsistencies stem from distinct personalities underlying each addiction. The present study compares the personality profiles of several addictions, representing both substance (drugs and alcohol) and behavioral (gambling and sex) subtypes...
March 6, 2018: Addictive Behaviors
Mikael Tiger, Katarina Varnäs, Yoshiro Okubo, Johan Lundberg
Major depressive disorder (MDD) is the leading cause of disability worldwide. The serotonin hypothesis may be the model of MDD pathophysiology with the most support. The majority of antidepressants enhance synaptic serotonin levels quickly, while it usually takes weeks to discern MDD treatment effect. It has been hypothesized that the time lag between serotonin increase and reduction of MDD symptoms is due to downregulation of inhibitory receptors such as the serotonin 1B receptor (5-HT1BR). The research on 5-HT1BR has previously been hampered by a lack of selective ligands for the receptor...
March 15, 2018: Psychopharmacology
Damiano Terenzi, Raffaella I Rumiati, Mauro Catalan, Lucia Antonutti, Giovanni Furlanis, Paolo Garlasco, Paola Polverino, Claudio Bertolotti, Paolo Manganotti, Marilena Aiello
BACKGROUND: Parkinson's disease (PD) patients who are treated with dopamine replacement therapy are at risk of developing impulse control disorders (ICDs) (such as gambling, binge eating, and others). According to recent evidence, compulsive reward seeking in ICDs may arise from an excessive attribution of incentive salience (or 'wanting') to rewards. OBJECTIVES: In this study, we tested this hypothesis in patients with PD who developed binge eating (BE). METHODS: Patients with BE, patients without BE, and healthy controls performed different experimental tasks assessing food liking and wanting...
March 9, 2018: Parkinsonism & related Disorders
Ali Sahraian, Zahra Ehsaei, Arash Mowla
BACKGROUND AND OBJECTIVE: Our Objective is to study the effects of aripiprazole as an adjuvant treatment for obsessive and compulsive (OC) symptoms in patients with bipolar disorder (BD) type I, manic phase. PATIENTS AND METHODS: In this 8-week, double-blind, placebo-controlled randomized clinical trial, 56 patients with BD who had OC symptoms were randomly allocated to receive aripiprazole or placebo plus their routine medication regimen (lithium + clonazepam)...
March 12, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Yaniv Efrati
BACKGROUND: Adolescent compulsive sexual behavior (CSB), and its associations with other personality predispositions (attachment orientations, temperament), gender, religiosity, and psychopathological tendencies. Five alternative empirical models were examined, all based on current theory and research on CSB. METHODS: The sample include 311 high-school adolescents (184 boys, 127 girls) ranging in age from 16 to 18 (M  = 16.94, SD  = .65) and enrolled in the eleventh (43...
March 15, 2018: Journal of Sex & Marital Therapy
Samuel Carbunaru, Robert S Eisinger, Adolfo Ramirez-Zamora, Dana Bassan, Amin Cervantes-Arriaga, Mayela Rodriguez-Violante, Daniel Martinez-Ramirez
Objectives: Impulse control disorders (ICDs) are common among patients with Parkinson's disease (PD). Risk factors identified for developing ICDs include young age, family history, and impulsive personality traits. However, the association of these potentially disabling disorders with nondopaminergic drugs and sleep disorders has been understudied. Our objective was to examine the association between ICDs and nondopaminergic medications and sleep disorders. Methods: We conducted an observational study of 53 patients with PD from the National Institute of Neurology and Neurosurgery...
March 2018: Brain and Behavior
Aleksander H Erga, Ingvild Dalen, Anastasia Ushakova, Janete Chung, Charalampos Tzoulis, Ole Bjørn Tysnes, Guido Alves, Kenn Freddy Pedersen, Jodi Maple-Grødem
Introduction: Impulse control disorders (ICDs) are frequent non-motor symptoms in Parkinson's disease (PD), with potential negative effects on the quality of life and social functioning. ICDs are closely associated with dopaminergic therapy, and genetic polymorphisms in several neurotransmitter pathways may increase the risk of addictive behaviors in PD. However, clinical differentiation between patients at risk and patients without risk of ICDs is still troublesome. The aim of this study was to investigate if genetic polymorphisms across several neurotransmitter pathways were associated with ICD status in patients with PD...
2018: Frontiers in Neurology
Laura C Politte, Lawrence Scahill, Janet Figueroa, James T McCracken, Bryan King, Christopher J McDougle
In a prior report, we showed that extended-release guanfacine (GEXR) is safe and effective for children with autism spectrum disorder (ASD) accompanied by ADHD symptoms. Here, we examine the impact of GEXR on oppositional behavior, anxiety, repetitive behavior, and sleep disturbance. Sixty-two subjects with ASD (53 boys, 9 girls; ages 5-14 years) were randomly assigned to GEXR (n = 30) or placebo (n = 32) for 8 weeks. Outcomes include the Home Situation Questionnaire-Modified for ASD (HSQ-ASD), Anxiety scale of the Child and Adolescent Symptom Inventory (CASI), Children's Yale-Brown Obsessive-Compulsive Scale-Modified for ASD (CYBOCS-ASD), and Children's Sleep Habits Questionnaire (CSHQ)...
February 27, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
John J Marshall, Jian Xu, Anis Contractor
Kainate receptors are members of the glutamate receptor family that function both by generating ionotropic currents through an integral ion channel pore, and through coupling to downstream metabotropic signaling pathways. They are highly expressed in the striatum yet their roles in regulating striatal synapses are not known. Using mice of both sexes we demonstrate that GluK2 containing kainate receptors expressed in direct pathway Spiny Projection Neurons (dSPNs) inhibit glutamate release at corticostriatal synapses in the dorsolateral striatum...
March 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Julia F Litzky, Maya A Deyssenroth, Todd M Everson, Barry M Lester, Luca Lambertini, Jia Chen, Carmen J Marsit
BACKGROUND: Depression and/or anxiety during pregnancy have been associated with impaired fetal growth and neurodevelopmental. Because placental imprinted genes play a central role in fetal development and respond to environmental stressors, we hypothesized that imprinted gene expression would be affected by prenatal depression and anxiety. METHODS: Placental gene expression was compared between mothers with prenatal depression and/or anxiety/obsessive compulsive disorder/panic and control mothers without psychiatric history (n=458) in the Rhode Island Child Health Study...
March 14, 2018: Pediatric Research
Marit Danielsen, Sigrid Bjørnelv, Grete Helen Bratberg, Øyvind Rø
OBJECTIVE: The need to consider gender when studying exercise in eating disorder (ED) has been underscored. The study aimed to test the psychometric properties and factor structure of the exercise and eating disorder (EED) questionnaire for males with and without ED, to highlight gender differences, and to explore issues relevant for a male version of the EED questionnaire. METHOD: This cross sectional study included 258 male participants: 55 ED patients (inpatients and outpatients) and 203 student controls...
March 14, 2018: International Journal of Eating Disorders
Catherine F Moore, Valentina Sabino, Pietro Cottone
Eating disorders and some forms of obesity are characterized by addictive-like, compulsive eating behavior which contains numerous similarities with compulsive drug use. Food intake is in part mediated by reward and reinforcement processes that can become dysregulated in these disorders. Additionally, impairments in inhibitory control regulation of reward-related responding can cause or further exacerbate binge and compulsive eating. Dysfunctions in two neurotransmitter systems in the mesocorticolimbic pathway, dopamine and glutamate, are thought to contribute to maladaptive eating behaviors...
2018: Frontiers in Pharmacology
Yuanhan Bai, Xi Yang, Zhiqiang Zeng, Haichen Yang
BACKGROUND: Ritualistic behaviors are common in obsessive compulsive disorder (OCD), while catatonic stupor occasionally occurs in psychotic or mood disorders. Schizoaffective disorder is a specific mental disorder involving both psychotic and affective symptoms. The syndrome usually represents a specific diagnosis, as in the case of the 10th edition of the International Classification of Diseases (ICD-10) or the 5th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5)...
March 13, 2018: BMC Psychiatry
Sanne Verkooijen, Nelleke de Vos, Betty J W Bakker-Camu, Susan J T Branje, René S Kahn, Roel A Ophoff, Carolien M Plevier, Marco P M Boks
OBJECTIVE: To investigate the prevalence of adolescent sleep disturbances and their relation with psychosocial difficulties and health risk behaviours we analysed data of a province-wide health survey (n=16,781). METHODS: Psychosocial difficulties were measured with the Strength and Difficulties Questionnaire. Additional assessments included self-reported sleep disturbances, suicidality and health risk behaviours including current use of tobacco, alcohol and drugs, physical inactivity and compulsive use of multimedia...
March 9, 2018: Academic Pediatrics
Dean McKay, Se-Kang Kim, Lauren Mancusi, Eric A Storch, Christopher Spankovich
Misophonia is characterized by extreme aversive reactions to certain classes of sounds. It has recently been recognized as a condition associated with significant disability. Research has begun to evaluate psychopathological correlates of misophonia. This study sought to identify profiles of psychopathology that characterize misophonia in a large community sample. A total of N = 628 adult participants completed a battery of measures assessing anxiety and anxiety sensitivity, depression, stress responses, anger, dissociative experiences, obsessive-compulsive symptoms and beliefs, distress tolerance, bodily perceptions, as well as misophonia severity...
March 2018: Behavior Therapy
Fern Jaspers-Fayer, Sarah Yao Lin, Laura Belschner, Janet Mah, Elaine Chan, Clare Bleakley, Rhonda Ellwyn, Annie Simpson, Katherine McKenney, S Evelyn Stewart
BACKGROUND: Sleep disturbances, including delayed sleep phase disorder (DSPD) and disorders of sleep initiation and maintenance (DIMS), have repeatedly been identified in adult obsessive-compulsive disorder (OCD). These disturbances have not been well-characterized objectively in pediatric OCD. METHODS: Thirty OCD-affected youth (8-18 yrs, 40% male) and 30 age and gender-matched healthy controls (HCs) completed the Sleep Disturbances Scale for Children (SDSC), and one week of continuous actigraphy with concurrent sleep diary documentation...
February 23, 2018: Journal of Anxiety Disorders
Anne C Wilson, Amelia Aldao, Jennifer Cheavens
OBJECTIVES: A large body of work suggests that cognitive reappraisal is an effective strategy for modifying emotional intensity. In addition, its habitual use has been linked to adaptive psychological functioning, operationalized as low levels of symptoms of psychopathology. However, little is known about the impact of cognitive reappraisal on behavioral aspects of mental disorders. For example, the experience of fear is often accompanied by the behavioral urge to avoid the feared stimuli...
March 12, 2018: Journal of Clinical Psychology
Michelle L Davis, Matthew McCann, Wayne K Goodman, Eric A Storch
A recent survey of Americans found that the majority experienced stress during and after the 2016 United States presidential election. Psychosocial, environmental stressors can have a unique impact on symptom presentation in mental health disorders. This manuscript details a case illustration of an individual whose symptoms of obsessive-compulsive disorder were directly linked to the election, as well as how these symptoms were addressed via treatment with intensive exposure and response prevention.
March 12, 2018: Journal of Clinical Psychology
T G Adams, B Kelmendi, C A Brake, P Gruner, C L Badour, C Pittenger
Individuals with OCD often identify psychosocial stress as a factor that exacerbates their symptoms, and many trace the onset of symptoms to a stressful period of life or a discrete traumatic incident. However, the pathophysiological relationship between stress and OCD remains poorly characterized: it is unclear whether trauma or stress is an independent cause of OCD symptoms, a triggering factor that interacts with a preexisting diathesis, or simply a nonspecific factor that can exacerbate OCD along with other aspects of psychiatric symptomatology...
January 2018: Chronic Stress
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