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Compulsions

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https://www.readbyqxmd.com/read/29036632/mapping-compulsivity-in-the-dsm-5-obsessive-compulsive-and-related-disorders-cognitive-domains-neural-circuitry-and-treatment
#1
Naomi A Fineberg, Annemieke M Apergis-Schoute, M Matilde Vaghi, Paula Banca, Claire M Gillan, Valerie Voon, Samuel R Chamberlain, Cinosi Eduardo, Reid Jemma, Sonia Shahper, Edward T Bullmore, Barbara J Sahakian, Trevor W Robbins
Compulsions are repetitive, stereotyped thoughts and behaviors designed to reduce harm. Growing evidence suggests that the neurocognitive mechanisms mediating behavioural inhibition (motor inhibition, cognitive inflexibility) reversal learning and habit formation (shift from goal-directed to habitual responding) contribute toward compulsive activity in a broad range of disorders. In obsessive compulsive disorder (OCD), distributed network perturbation appears focussed around the pre-frontal cortex, caudate, putamen and associated neuro-circuitry...
September 23, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29035974/altered-ultrasonic-vocalization-in-neonatal-sapap3-deficient-mice
#2
Natalya S Tesdahl, Danielle K King, Latisha N McDaniel, Andrew A Pieper
Ultrasonic vocalizations (USVs) in neonatal mice provide a means of modeling communication deficits in neurodevelopmental disorders. Mature mice deficient in SAP90/PSD95-associated protein 3 (SAPAP3) display compulsive grooming and anxiety-like behavior, conditions that are often associated with neurodevelopmental disorders. To date, however, aspects of neurodevelopment have not been investigated in SAPAP3-deficient mice. Here, we examined whether neonatal SAPAP3-deficient mice display altered USVs. We recorded USVs from 5-day-old sapap3 and sapap3 mice, and also monitored developmental reflexes in these mice during the early postnatal period...
October 13, 2017: Neuroreport
https://www.readbyqxmd.com/read/29035919/attenuation-of-compulsive-like-behavior-by-fluvoxamine-in-a-non-induced-mouse-model-of-obsessive-compulsive-disorder
#3
Swarup Mitra, Abel Bult-Ito
The current study evaluated the role of strain and compulsive trait differences in response to fluvoxamine, a common obsessive-compulsive disorder (OCD) drug, in two different mouse strains (BIG1 and BIG2) with a spontaneous compulsive-like phenotype. For compulsive-like nest-building behavior, dose-dependent attenuation of nesting by fluvoxamine was observed for the BIG1 compulsive-like strain during the first hour after administration. No significant differences were found for the BIG2 strain during the first hour, although a dose-dependent trend similar to that in the BIG1 strain was observed...
October 13, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29034525/reliability-and-validity-of-severity-dimensions-of-psychopathology-assessed-using-the-structured-clinical-interview-for-dsm-5-scid
#4
Stewart A Shankman, Carter J Funkhouser, Daniel N Klein, Joanne Davila, Debra Lerner, Danelle Hee
This study examined whether the Structured Clinical Interview for DSM (SCID), a widely used semistructured interview designed to assess psychopathology categorically, can be adapted to identify reliable and valid severity dimensions of psychopathology. The present study also examined whether these severity dimensions have better psychometric properties (internal consistency, test-retest reliability, and concurrent and predictive validity) than categorical diagnoses. Participants (N = 234) were recruited from the community and clinics...
October 16, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/29034243/improving-surgical-outcome-using-diffusion-tensor-imaging-techniques-in-deep-brain-stimulation
#5
REVIEW
Angela An Qi See, Nicolas Kon Kam King
INTRODUCTION: Recent advances in surgical imaging include the use of diffusion tensor imaging (DTI) in deep brain stimulation (DBS) and provide a detailed view of the white matter tracts and their connections which are not seen with conventional magnetic resonance imaging. Given that the efficacy of DBS depends on the precise and accurate targeting of these circuits, better surgical planning using information obtained from DTI may lead to improved surgical outcome. We aim to review the available literature to evaluate the efficacy of such a strategy...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29034115/impulse-control-disorder-and-response-inhibition-alterations-in-parkinson-s-disease-a-rare-case-of-totally-absent-functionality-of-the-medial-prefrontal-cortex-and-review-of-literature
#6
Sara Palermo, Rosalba Morese, Maurizio Zibetti, Francesca Dematteis, Stefano Sirgiovanni, Mario Stanziano, Maria Consuelo Valentini, Leonardo Lopiano
This report illustrates a Parkinson's disease (PD) patient with impulse-control disorder (ICD) and selective impairment in response-inhibition abilities as revealed by the performance in a functional magnetic resonance imaging (fMRI) anterior cingulate cortex - sensitive go-nogo task. In line with hypothesis on the role of response-inhibition disabilities in the arising of impulsivity in PD, the patient completely failed the go-nogo task. Moreover, fMRI acquisition revealed absent task-sensitive activity in the anterior cingulate cortex, medial prefrontal, and orbitofrontal cortices for the contrast nogo versus go, which signifying that a hypo-function of this network could be associated with ICD...
November 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/29033617/family-accommodation-in-adult-obsessive-compulsive-disorder-clinical-perspectives
#7
REVIEW
Umberto Albert, Alessandra Baffa, Giuseppe Maina
The term accommodation has been used to refer to family responses specifically related to obsessive-compulsive (OC) symptoms: it encompasses behaviors such as directly participating in compulsions, assisting a relative with obsessive-compulsive disorder (OCD) when he/she is performing a ritual, or helping him/her to avoid triggers that may precipitate obsessions and compulsions. At the opposite side, family responses to OCD may also include interfering with the rituals or actively opposing them; stopping accommodating OC symptoms or actively interfering with their performance is usually associated with greater distress and sometimes even with aggressive behaviors from the patients...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/29033063/factor-analysis-of-symptom-profile-in-early-onset-and-late-onset-ocd
#8
Sandeep Grover, Siddharth Sarkar, Gourav Gupta, Natasha Kate, Abhishek Ghosh, Subho Chakrabarti, Ajit Avasthi
This study aimed to assess the factor structure of early and late onset OCD. Additionally, cluster analysis was conducted in the same sample to assess the applicability of the factors. 345 participants were assessed with Yale Brown Obsessive Compulsive Scale symptom checklist. Patients were classified as early onset (onset of symptoms at age ≤ 18 years) and late onset (onset at age > 18 years) OCD depending upon the age of onset of the symptoms. Factor analysis and cluster analysis of early-onset and late-onset OCD was conducted...
October 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29033054/temporary-stages-and-motivational-variables-two-complementary-perspectives-in-the-help-seeking-process-for-mental-disorders
#9
Gema Del Valle Del Valle, Carmen Carrió, Amparo Belloch
INTRODUCTION: Help-seeking for mental disorders is a complex process, which includes different temporary stages, and in which the motivational variables play an especially relevant role. However, there is a lack of instruments to evaluate in depth both the temporary and motivational variables involved in the help-seeking process. This study aims to analyse in detail these two sets of variables, using a specific instrument designed for the purpose, to gain a better understanding of the process of treatment seeking...
October 9, 2017: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/29031851/constitutive-ret-signaling-leads-to-long-lasting-expression-of-amphetamine-induced-place-conditioning-via-elevation-of-mesolimbic-dopamine
#10
Jaakko Kopra, Marian Villarta-Aguilera, Mari Savolainen, Samo Weingerl, Timo T Myöhänen, Saara Rannanpää, Michael F Salvatore, Jaan-Olle Andressoo, T Petteri Piepponen
Addictive drugs enhance dopamine release in the striatum, which can lead to compulsive drug-seeking after repeated exposure. Glial cell line-derived neurotrophic factor (GDNF) is an important regulator of midbrain dopamine neurons, and may play a mechanistic role in addiction-related behaviors. To elucidate the components of GDNF-signaling that contribute to addiction-related behaviors of place preference and its extinction, we utilized two genetically modified GDNF mouse models in an amphetamine-induced conditioned place preference (CPP) paradigm and evaluated how the behavioral findings correlate with dopamine signaling in the dorsal and ventral striatum...
October 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29031568/anxiety-disorders-in-old-age-psychiatric-comorbidities-quality-of-life-and-prevalence-according-to-age-gender-and-country
#11
Alessandra Canuto, Kerstin Weber, Marc Baertschi, Sylke Andreas, Jana Volkert, Maria Christina Dehoust, Susanne Sehner, Anna Suling, Karl Wegscheider, Berta Ausín, Mike J Crawford, Chiara Da Ronch, Luigi Grassi, Yael Hershkovitz, Manuel Muñoz, Alan Quirk, Ora Rotenstein, Ana Belén Santos-Olmo, Arieh Shalev, Jens Strehle, Hans-Ulrich Wittchen, Holger Schulz, Martin Härter
OBJECTIVES: Previous estimates of the prevalence of anxiety disorders in late life vary greatly due to the lack of reliable diagnostic tools. This MentDis_ICF65+ study assessed 12-month prevalence rates of anxiety disorders and age- and gender-related differences in comorbidities, as well as impact on quality of life. DESIGN: The study used a cross-sectional multicenter survey. PARTICIPANTS: The study sample comprised 3,142 men and women aged 65 to 84 years, living in five European countries and Israel...
September 5, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29031217/quality-of-life-and-burden-in-caregivers-of-youth-with-obsessive-compulsive-disorder-presenting-for-intensive-treatment
#12
Monica S Wu, Rebecca Hamblin, Joshua Nadeau, Jessica Simmons, Ashley Smith, Meredith Wilson, Stephanie Eken, Brent Small, Vicky Phares, Eric A Storch
BACKGROUND: Pediatric obsessive-compulsive disorder (OCD) is associated with deleterious familial effects; caregivers are often enmeshed in the disorder and can experience considerable burden and decreased quality of life (QoL). Consequently, this study examined burden and QoL in caregivers of youth with OCD enrolled in an intensive outpatient or partial hospitalization program. METHOD: The relationships between caregiver QoL and burden and the following variables were investigated: OCD symptom severity, functioning (youth functional impairment, general family functioning), family (family accommodation, parental relationship satisfaction, positive aspects of caregiving), and comorbid psychopathology (caregiver anxiety and depressive symptoms, youth internalizing and externalizing behaviors)...
August 30, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29030525/neurodevelopment-at-age-10-years-of-children-born-28-weeks-with-fetal-growth-restriction
#13
Steven J Korzeniewski, Elizabeth N Allred, Robert M Joseph, Tim Heeren, Karl C K Kuban, T Michael O'Shea, Alan Leviton
OBJECTIVES: We sought to evaluate the relationships between fetal growth restriction (FGR) (both severe and less severe) and assessments of cognitive, academic, and adaptive behavior brain function at age 10 years. METHODS: At age 10 years, the Extremely Low Gestational Age Newborns Cohort Study assessed the cognitive function, academic achievement, social-communicative function, psychiatric symptoms, and overall quality of life of 889 children born before 28 weeks' gestation...
October 13, 2017: Pediatrics
https://www.readbyqxmd.com/read/29026257/fronto-striatal-glutamate-in-autism-spectrum-disorder-and-obsessive-compulsive-disorder
#14
Jilly Naaijen, Marcel P Zwiers, Houshang Amiri, Steven Cr Williams, Sarah Durston, Bob Oranje, Daniel Brandeis, Regina Boecker-Schlier, Matthias Ruf, Isabella Wolf, Tobias Banaschewski, Jeffrey C Glennon, Barbara Franke, Jan K Buitelaar, David J Lythgoe
This corrects the article DOI: 10.1038/npp.2016.260.
November 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29024649/obsessing-about-uncertainty
#15
Jacqueline Scholl, Matthew F S Rushworth
A striking observation in obsessive-compulsive disorder is that patients know that their obsessions and compulsions are excessive, but their symptoms nevertheless persist. Drawing on computational models from basic neuroscience, Vaghi and colleagues (2017) suggest a quantitative account of this clinical finding.
October 11, 2017: Neuron
https://www.readbyqxmd.com/read/29024130/continuity-between-dsm-5-section-ii-and-section-iii-personality-traits-for-obsessive-compulsive-personality-disorder
#16
Jacqueline Liggett, Martin Sellbom, Bo Bach
OBJECTIVE: Obsessive-compulsive personality disorder (OCPD) is formally operationalized in Section II of the DSM-5 by a heterogeneous collection of 8 categorical criteria. Section III contains an alternative model operationalizing personality disorders via dimensional personality traits and associated impairment. The extent to which the personality traits used to define OCPD in Section III correspond with the Section II operationalization of the disorder is contested. The current study aims to contribute to the evidence base necessary to solidify the optimal trait profile for this disorder via a more fine-tuned examination of OCPD...
October 11, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/29021925/acetazolamide-treatment-of-psychogenic-polydipsia
#17
Syed E Ahmed, Afaque H Khan
We are reporting a case of psychogenic polydipsia from a State of Ohio psychiatric hospital. The patient has a known five-year history of psychogenic polydipsia with recurrent hyponatremia and has been diagnosed with schizoaffective disorder bipolar type 1, according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria, for the past two decades. There was a marked improvement with the use of acetazolamide, resulting in a decreased compulsion to drink fluid and improvement of his hyponatremia...
August 9, 2017: Curēus
https://www.readbyqxmd.com/read/29021824/intense-obsessional-interests-in-children-with-gender-dysphoria-a-cross-validation-study-using-the-teacher-s-report-form
#18
Kenneth J Zucker, A Natisha Nabbijohn, Alanna Santarossa, Hayley Wood, Susan J Bradley, Joanna Matthews, Doug P VanderLaan
OBJECTIVE: This study assessed whether children clinically referred for gender dysphoria (GD) show symptoms that overlap with Autism Spectrum Disorder (ASD). Circumscribed preoccupations/intense interests and repetitive behaviors were considered as overlapping symptoms expressed in both GD and ASD. METHODS: To assess these constructs, we examined Items 9 and 66 on the Teacher's Report Form (TRF), which measure obsessions and compulsions, respectively. RESULTS: For Item 9, gender-referred children (n = 386) were significantly elevated compared to the referred (n = 965) and non-referred children (n = 965) from the TRF standardization sample...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/29020291/reward-sensitivity-and-waiting-impulsivity-shift-towards-reward-valuation-away-from-action-control
#19
Daisy J Mechelmans, Daniela Strelchuk, Nuria Donamayor-Alonso, Paula Banca, Trevor W Robbins, Kwangyeol Baek, Valerie Voon
Background: Impulsivity and reward expectancy are commonly inter-related. Waiting impulsivity, measured using the rodent 5-Choice Serial Reaction Time (5-CSRT) task, predicts compulsive cocaine seeking and sign (or cue) tracking. Here we assess human waiting impulsivity using a novel translational task, the 4-CSRT, and the relationship with reward cues. Methods: Healthy volunteers (n=29) performed the monetary incentive delay task as a functional MRI study where subjects observe a cue predicting reward (cue) and wait to respond for high (£5), low (£1) or no reward...
August 8, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29020038/correction-integrating-genetic-neuropsychological-and-neuroimaging-data-to-model-early-onset-obsessive-compulsive-disorder-severity
#20
Sergi Mas, Patricia Gassó, Astrid Morer, Anna Calvo, Nuria Bargalló, Amalia Lafuente, Luisa Lázaro
[This corrects the article DOI: 10.1371/journal.pone.0153846.].
2017: PloS One
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