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https://www.readbyqxmd.com/read/28742290/infant-related-intrusive-thoughts-of-harm-in-the-postpartum-period-a-critical-review
#1
Elke C Brok, Patricia Lok, Desiree B Oosterbaan, Aart H Schene, Indira Tendolkar, Philip F van Eijndhoven
BACKGROUND: Besides the expected warm and joyful thoughts, a new mother can be disturbed by sudden frightening thoughts or images of harm done to her baby: harming intrusions, an obsessive phenomenon. Its high prevalence and possible consequences in functioning and in mother-child bonding makes it desirable that clinicians are well informed regarding the current state of knowledge about harming intrusions. OBJECTIVE: To provide a comprehensive review of all studies that have investigated harming intrusions in postpartum women...
July 18, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28736173/low-doses-of-17%C3%AE-ethinyl-estradiol-alter-the-maternal-brain-and-induce-stereotypies-in-cd-1-mice-exposed-during-pregnancy-and-lactation
#2
Mary C Catanese, Laura N Vandenberg
Maternal care is critical for the survival, development and long-term success of offspring. Despite our current understanding of the role of endogenous estrogen in both maternal behavior and the maternal brain, the potential effects of exogenous estrogens on these endpoints remain poorly understood. Here, pregnant CD-1 mice were exposed to low doses of 17α-ethinyl estradiol (EE2), commonly used as a positive control in studies of other xenoestrogens, from day 9 of pregnancy until weaning. Using traditional maternal behavior assays, we document no significant changes in maternal behavior throughout the lactational period...
July 20, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28725282/addiction-and-the-brain-development-not-disease
#3
Marc Lewis
I review the brain disease model of addiction promoted by medical, scientific, and clinical authorities in the US and elsewhere. I then show that the disease model is flawed because brain changes in addiction are similar to those generally observed when recurrent, highly motivated goal seeking results in the development of deep habits, Pavlovian learning, and prefrontal disengagement. This analysis relies on concepts of self-organization, neuroplasticity, personality development, and delay discounting. It also highlights neural and behavioral parallels between substance addictions, behavioral addictions, normative compulsive behaviors, and falling in love...
2017: Neuroethics
https://www.readbyqxmd.com/read/28725176/a-potential-animal-model-of-maladaptive-palatable-food-consumption-followed-by-delayed-discomfort
#4
Lital Moshe, Liza Bekker, Aron Weller
Introduction: Binging is the consumption of larger amounts of food in a briefer period of time than would normally be consumed under similar circumstances. Binging requires palatable food (PF) to trigger abnormal eating, probably reflecting gene × environment interactions. In this study we examined the impact of trait binge eating (BE) and its compulsive nature on the conflict between hedonic eating of PF and anticipation of a delayed aversive effect. We used female rats as an animal model similar to other models of BE...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28724279/alterations-in-striatal-circuits-underlying-addiction-like-behaviors
#5
REVIEW
Hyun Jin Kim, Joo Han Lee, Kyunghwa Yun, Joung-Hun Kim
Drug addiction is a severe psychiatric disorder characterized by the compulsive pursuit of drugs of abuse despite potential adverse consequences. Although several decades of studies have revealed that psychostimulant use can result in extensive alterations of neural circuits and physiology, no effective therapeutic strategies or medicines for drug addiction currently exist. Changes in neuronal connectivity and regulation occurring after repeated drug exposure contribute to addiction-like behaviors in animal models...
June 30, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28720486/loss-of-synaptic-zinc-transport-in-progranulin-deficient-mice-may-contribute-to-progranulin-associated-psychopathology-and-chronic-pain
#6
Stefanie Hardt, Juliana Heidler, Boris Albuquerque, Lucie Valek, Christine Altmann, Annett Wilken-Schmitz, Michael K E Schäfer, Ilka Wittig, Irmgard Tegeder
Affective and cognitive processing of nociception contributes to the development of chronic pain and vice versa, pain may precipitate psychopathologic symptoms. We hypothesized a higher risk for the latter with immanent neurologic diseases and studied this potential interrelationship in progranulin-deficient mice, which are a model for frontotemporal dementia, a disease dominated by behavioral abnormalities in humans. Young naïve progranulin deficient mice behaved normal in tests of short-term memory, anxiety, depression and nociception, but after peripheral nerve injury, they showed attention-deficit and depression-like behavior, over-activity, loss of shelter-seeking, reduced impulse control and compulsive feeding behavior, which did not occur in equally injured controls...
July 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28716021/missed-diagnoses-in-african-americans-with-obsessive-compulsive-disorder-the-structured-clinical-interview-for-dsm-iv-axis-i-disorders-scid-i
#7
Gregory S Chasson, Monnica T Williams, Darlene M Davis, Jessica Y Combs
BACKGROUND: Research on the utility of structured interviews in assessing OCD is scarce, and even more so, in its use for OCD in African Americans. The purpose of this study was to examine the utility of the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I) in detecting OCD in African Americans when used by well-trained, culturally competent clinicians. METHODS: Seventy-four African American adults with OCD were assessed with the SCID-I and additional measures of OCD...
July 17, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28714806/loss-of-control-over-the-ethanol-consumption-differential-transcriptional-regulation-in-prefrontal-cortex
#8
Carolina de Paiva Lima, Daniel Almeida da Silva E Silva, Samara Damasceno, Andrea Frozino Ribeiro, Cristiane S Rocha, Alexandre H Berenguer de Matos, Diego Correia, Roseli Boerngen-Lacerda, Ana Lúcia Brunialti Godard
Alcohol use disorder (AUD) is a complex multifactorial disease with heritability of ∼50% and corresponds to the state in which the body triggers a reinforcement or reward compulsive behavior due to ethanol consumption, even when faced with negative consequences. Although several studies have shown the impact of high ethanol intake on the prefrontal cortex (PFC) gene expression, few have addressed the relationship between the patterns of gene expression underlying the compulsive behaviour associated with relapsing...
July 17, 2017: Journal of Neurogenetics
https://www.readbyqxmd.com/read/28714753/pediatric-acute-onset-neuropsychiatric-syndrome-response-to-oral-corticosteroid-bursts-an-observational-study-of-patients-in-an-academic-community-based-pans-clinic
#9
Kayla Brown, Cristan Farmer, Bahare Farhadian, Joseph Hernandez, Margo Thienemann, Jennifer Frankovich
BACKGROUND: Sudden-onset severe obsessive-compulsive symptoms and/or severely restrictive food intake with at least two coinciding, similarly debilitating neuropsychiatric symptoms define Pediatric Acute-onset Neuropsychiatric Syndrome (PANS). When associated with Group A Streptococcus, the syndrome is labeled Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal infections (PANDAS). An abnormal immune response to infection and subsequent neuroinflammation is postulated to play an etiologic role...
July 17, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28712976/repetitive-eating-questionnaire-rep-eat-q-enlightening-the-concept-of-grazing-and-psychometric-properties-in-a-portuguese-sample
#10
Eva M Conceição, James E Mitchell, Paulo P P Machado, Ana R Vaz, Ana Pinto-Bastos, Sofia Ramalho, Isabel Brandão, Joana Botelho Simões, Marta de Lourdes, Ana Catarina Freitas
BACKGROUND/OBJECTIVE: Grazing has been associated with poor weight loss or weight regain in obese patients undergoing bariatric surgery, but research remains scarce and complicated by the use of different non-validated measures. The aim of this paper is to describe the validation of the Rep(eat)-Q, a self-report measure developed to assess grazing, and investigates its relationship with BMI and psychopathology. SUBJECTS/METHODS: 1223 university students and community participants (non-clinical; Study A) and 154 pre-bariatric and 84 post-bariatric patients (Study B) completed a set of self-report measures, including the Rep(eat)-Q (worded in Portuguese), to assess disordered eating, depression, anxiety, stress and impulsivity...
July 13, 2017: Appetite
https://www.readbyqxmd.com/read/28711378/subjective-perception-of-cocaine-reward-in-mice-assessed-by-a-single-exposure-place-preference-sepp-paradigm
#11
Annika H Runegaard, Kathrine Louise Jensen, Ditte Dencker, Gitta Wörtwein, Ulrik Gether
BACKGROUND: The potential of abused drugs to induce addiction and compulsive drug-related behavior is associated with their ability to alter dopamine signaling. Dopamine plays a key role in reward signaling and it has been of great interest to investigate how various drugs of abuse alter reward-related behavior. COMPARISON WITH EXISTING METHODS: In rodents, the rewarding effects of drugs have often been assessed in self-administration or place preference paradigms; both involving repeated drug exposure and weeks of training and testing...
July 12, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28711192/predictors-of-anxiety-in-early-stage-parkinson-s-disease-results-from-the-first-two-years-of-a-prospective-cohort-study
#12
Sonja Rutten, Peter M van der Ven, Daniel Weintraub, Gregory M Pontone, Albert F G Leentjens, Henk W Berendse, Ysbrand D van der Werf, Odile A van den Heuvel
AIM: Anxiety has a negative impact on daily functioning and quality of life in patients with Parkinson's disease (PD). This study aims at assessing which sociodemographic and clinical characteristics predict the course of anxiety in early PD. METHODS: The participants of this two-year prospective cohort study were recently diagnosed PD patients not receiving psychiatric medications or dopamine replacement therapy at baseline. Assessments were performed annually after baseline...
July 5, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28711111/to-do-or-not-to-do-task-control-deficit-in-obsessive-compulsive-disorder
#13
Eyal Kalanthroff, Avishai Henik, Helen Blair Simpson, Doron Todder, Gideon E Anholt
Task control is an executive control mechanism that facilitates goal-directed task selection by suppressing irrelevant automatic "stimulus-driven" behaviors. In the current study, we test the hypothesis that less efficient task control in individuals diagnosed with obsessive-compulsive disorder (OCD) is associated with OCD symptoms, and specifically, with the inability to inhibit unwanted behaviors in OCD. Thirty-five healthy controls, 30 participants with OCD, and 26 participants with generalized anxiety disorder (GAD) completed the object-interference (OI) task to measure task control, the stop-signal task to measure response inhibition, and the arrow-flanker task to evaluate executive abilities not contingent upon task control...
September 2017: Behavior Therapy
https://www.readbyqxmd.com/read/28710498/gene-network-dysregulation-in-dorsolateral-prefrontal-cortex-neurons-of-humans-with-cocaine-use-disorder
#14
Efrain A Ribeiro, Joseph R Scarpa, Susanna P Garamszegi, Andrew Kasarskis, Deborah C Mash, Eric J Nestler
Metabolic and functional alterations of neurons in the dorsolateral prefrontal cortex (dlPFC) are thought to contribute to impulsivity, which is a hallmark of addictive behaviors that underlie compulsive drug seeking and taking in humans. To determine if there is a transcriptional signature in dlPFC neurons of humans with cocaine use disorder, we performed total RNA-sequencing on neuronal nuclei isolated from post-mortem dlPFC of cocaine addicts and healthy controls. Our results point toward a transcriptional mechanism whereby cocaine alters specific gene networks in dlPFC neurons...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28707590/combining-drug-and-psychological-treatments-for-obsessive-compulsive-disorder-what-is-the-evidence-when-and-for-whom
#15
Umberto Albert, Gabriele Di Salvo, Francesca Solia, Gianluca Rosso, Giuseppe Maina
BACKGROUND: serotonin reuptake inhibitors (SRIs) and cognitive-behavioral psychotherapy (CBT) are first-line treatments for obsessive-compulsive disorder (OCD). Since response is often inadequate, in recent years researchers investigated whether combining CBT and SRIs, either ab initio or sequentially, results in a greater reduction of obsessive-compulsive symptoms. OBJECTIVE: the aims of the present paper are to assess if combination treatment seems adding benefits as compared to either monotherapy alone and if sequential strategies may be effective in converting partial or non responders to a first-line treatment into responders...
July 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28691550/relationships-between-obsessive-compulsive-disorder-depression-and-functioning-before-and-after-exposure-and-response-prevention-therapy
#16
Sarosh J Motivala, Maria Arellano, Rebecca Greco, David Aiken, Nathan Hutchenson, Reza Tadayonnejad, Joseph O'Neill, Jamie D Feusner
OBJECTIVE: Obsessive-compulsive disorder (OCD) is associated with impaired functioning and depression. Our aim was to examine relationships between OCD symptoms, depression, and functioning before and after exposure and response prevention (ERP), a type of cognitive-behavioral therapy for OCD, specifically examining whether functioning, depression and other cognitive factors like rumination and worry acted as mediators. METHODS: Forty-four individuals with OCD were randomized to four weeks of intensive ERP treatment first (n = 23) or waitlist then treatment (n = 21)...
July 8, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28687897/hypersexuality-a-critical-review-and-introduction-to-the-sexhavior-cycle
#17
Michael T Walton, James M Cantor, Navjot Bhullar, Amy D Lykins
An empirical review of hypersexuality is timely as "compulsive sexual behavior" is being considered as an impulse control disorder for inclusion in the forthcoming International Classification of Diseases, 11th ed. Specifically, hypersexuality has been conceptualized in the literature as the inability to regulate one's sexual behavior that is a source of significant personal distress. Various theoretical models have been posited in an attempt to understand the occurrence of hypersexuality, although disagreement about these divergent conceptualizations of the condition has made assessment and treatment of hypersexual clients more challenging...
July 7, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28686560/-hoarding-disorder-in-dsm-5-clinical-description-and-cognitive-approach
#18
L Kalogeraki, I Michopoulos
Hoarding disorder is characterized by difficulty discarding or parting with possessions regardless their actual value as well as, in most cases, persistent acquisition of objects. Possessions are accumulated in large numbers that fill up and clutter active living space to the extent that its intended use is no longer possible resulting to significant functional impairment and/or distress. Saving and difficulty discarding appear to be associated to subjective beliefs about the instrumental, sentimental or intrinsic value of objects...
April 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28683772/validation-of-the-short-arabic-upps-p-impulsive-behavior-scale
#19
Ghada Bteich, Djamal Berbiche, Yasser Khazaal
BACKGROUND: Impulsivity is involved in numerous psychiatric and addictive disorders, as well as in risky behaviors. The UPPS-P scale highlights five complementary impulsivity constructs (i.e., positive urgency, negative urgency, lack of perseverance, lack of premeditation, and sensation seeking) that possibly work as different pathways linking impulsivity to other disorders. In this study, we aimed to evaluate the psychometric properties of the Arab language short 20-item UPPS-P scale and to eventually validate it...
July 6, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28681749/bilateral-anterior-capsulotomy-for-patients-with-refractory-obsessive-compulsive-disorder-a-multicenter-long-term-follow-up-study
#20
Hong Bin Liu, Qi Zhong, Wei Wang
OBJECTIVE: The objectives of this retrospective study were to analyze the short-term and long-term effects and complications of stereotactic anterior capsulotomy for patients with refractory obsessive-compulsive disorder (OCD). The advantages and disadvantages of stereotactic anterior capsulotomy have been discussed. MATERIALS AND METHODS: Between October 2007 and June 2010, 37 patients with OCD underwent anterior capsulotomy in West China Hospital of Sichuan University or Mian Yang Central Hospital...
July 2017: Neurology India
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