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Behavioral psychiatry

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https://www.readbyqxmd.com/read/27922607/endocytosis-following-dopamine-d2-receptor-activation-is-critical-for-neuronal-activity-and-dendritic-spine-formation-via-rabex-5-pdgfr%C3%AE-signaling-in-striatopallidal-medium-spiny-neurons
#1
N Shioda, Y Yabuki, Y Wang, M Uchigashima, T Hikida, T Sasaoka, H Mori, M Watanabe, M Sasahara, K Fukunaga
Aberrant dopamine D2 receptor (D2R) activity is associated with neuropsychiatric disorders, making those receptors targets for antipsychotic drugs. Here, we report that novel signaling through the intracellularly localized D2R long isoform (D2LR) elicits extracellular signal-regulated kinase (ERK) activation and dendritic spine formation through Rabex-5/platelet-derived growth factor receptor-β (PDGFRβ)-mediated endocytosis in mouse striatum. We found that D2LR directly binds to and activates Rabex-5, promoting early-endosome formation...
December 6, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27922606/otto-a-new-strategy-to-extract-mental-disease-relevant-combinations-of-gwas-hits-from-individuals
#2
H Ehrenreich, M Mitjans, S Van der Auwera, T P Centeno, M Begemann, H J Grabe, S Bonn, K-A Nave
Despite high heritability of schizophrenia, genome-wide association studies (GWAS) have not yet revealed distinct combinations of single-nucleotide polymorphisms (SNPs), relevant for mental disease-related, quantifiable behavioral phenotypes. Here we propose an individual-based model to use genome-wide significant markers for extracting first genetic signatures of such behavioral continua. 'OTTO' (old Germanic=heritage) marks an individual characterized by a prominent phenotype and a particular load of phenotype-associated risk SNPs derived from GWAS that likely contributed to the development of his personal mental illness...
December 6, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27922605/pattern-of-structural-brain-changes-in-social-anxiety-disorder-after-cognitive-behavioral-group-therapy-a-longitudinal-multimodal-mri-study
#3
V R Steiger, A B Brühl, S Weidt, A Delsignore, M Rufer, L Jäncke, U Herwig, J Hänggi
Social anxiety disorder (SAD) is characterized by fears of social and performance situations. Cognitive behavioral group therapy (CBGT) has in general positive effects on symptoms, distress and avoidance in SAD. Prior studies found increased cortical volumes and decreased fractional anisotropy (FA) in SAD compared with healthy controls (HCs). Thirty-three participants diagnosed with SAD attended in a 10-week CBGT and were scanned before and after therapy. We applied three neuroimaging methods-surface-based morphometry, diffusion tensor imaging and network-based statistics-each with specific longitudinal processing protocols, to investigate CBGT-induced structural brain alterations of the gray and white matter (WM)...
December 6, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27922239/predictors-of-self-esteem-in-adolescents-with-a-psychiatric-referral
#4
Devrim Akdemir, Tuna Çak, Cihan Aslan, Büşra Sultan Aydos, Kevser Nalbant, Füsun Çuhadaroğlu-Çetin
In the literature self-esteem is found to be lower in clinically referred adolescents compared to adolescents without any psychiatric disorder. The aim of this study is to examine self-esteem and associated socio-demographical and psychological factors in clinically referred adolescents in Turkey. Three hundred forty-nine adolescents aged between 12 and 18 years admitted to the Department of Child and Adolescent Psychiatry with a psychiatric complaint were enrolled. Rosenberg Self-Esteem Scale (RSES), Brief Symptom Inventory (BSI), Parenting Style Scale (PSS) and Sense of Identity Assessment Form (SIAF) were used for the evaluation...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27907025/measuring-social-motivation-using-signal-detection-and-reward-responsiveness
#5
Coralie Chevallier, Natasha Tonge, Lou Safra, David Kahn, Gregor Kohls, Judith Miller, Robert T Schultz
BACKGROUND: Recent trends in psychiatry have emphasized the need for a shift from categorical to dimensional approaches. Of critical importance to this transformation is the availability of tools to objectively quantify behaviors dimensionally. The present study focuses on social motivation, a dimension of behavior that is central to a range of psychiatric conditions but for which a particularly small number of assays currently exist. METHODS: In Study 1 (N = 48), healthy adults completed a monetary reward task and a social reward task, followed by completion of the Chapman Physical and Social Anhedonia Scales...
2016: PloS One
https://www.readbyqxmd.com/read/27906411/mental-health-emergencies-in-paediatric-services-characteristics-diagnostic-stability-and-gender-differences
#6
Montserrat Porter, Rebeca Gracia, Joan-Carles Oliva, Montserrat Pàmias, Gemma Garcia-Parés, Jesús Cobo
INTRODUCTION: Child and adolescent psychiatric emergencies have increased in recent years. The main objective of our study is to analyze sociodemographic and clinical characteristics of psychiatric emergencies under 18 years old that came to our hospital. Secondary objectives were to study diagnostic stability made in the emergency department and undertake a gender analysis. METHODS: Descriptive cross-sectional study of patients attending the pediatric emergency department who required consultation to psychiatry service during 2010 and 2011, comparing data with two previous cross-sectional cuts (2002-2003 and 2006-2007)...
November 2016: Actas Españolas de Psiquiatría
https://www.readbyqxmd.com/read/27904636/effect-of-cognitive-behavioral-stress-management-program-on-psychosomatic-patients-quality-of-life
#7
Zahra Ghazavi, Esmat Rahimi, Mohsen Yazdani, Hamid Afshar
BACKGROUND: Level of stress and its management affects the dimensions of psychosomatic patients' quality of life (QoL), which is an important psychological issue. The present study aimed to investigate the effect of cognitive behavioral stress management program on psychosomatic patients' QoL. In cognitive behavioral method, patients discover thought and behavioral mistakes and recover them. The criterion to evaluate the success of the present study was measurement of the patients' QoL and its notable improvement after intervention...
September 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27895323/elevated-cyp2c19-expression-is-associated-with-depressive-symptoms-and-hippocampal-homeostasis-impairment
#8
M M Jukić, N Opel, J Ström, T Carrillo-Roa, S Miksys, M Novalen, A Renblom, S C Sim, E M Peñas-Lledó, P Courtet, A Llerena, B T Baune, D J de Quervain, A Papassotiropoulos, R F Tyndale, E B Binder, U Dannlowski, M Ingelman-Sundberg
The polymorphic CYP2C19 enzyme metabolizes psychoactive compounds and is expressed in the adult liver and fetal brain. Previously, we demonstrated that the absence of CYP2C19 is associated with lower levels of depressive symptoms in 1472 Swedes. Conversely, transgenic mice carrying the human CYP2C19 gene (2C19TG) have shown an anxious phenotype and decrease in hippocampal volume and adult neurogenesis. The aims of this study were to: (1) examine whether the 2C19TG findings could be translated to humans, (2) evaluate the usefulness of the 2C19TG strain as a tool for preclinical screening of new antidepressants and (3) provide an insight into the molecular underpinnings of the 2C19TG phenotype...
November 29, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27891188/associations-between-social-cognition-skills-and-function-and-subclinical-negative-and-positive-symptoms-in-22q11-2-deletion-syndrome
#9
A Vangkilde, J R M Jepsen, H Schmock, C Olesen, S Arnarsdóttir, W F C Baaré, K J Plessen, M Didriksen, H R Siebner, T Werge, L Olsen
BACKGROUND: Identification of the early signs of schizophrenia would be a major achievement for the early intervention and prevention strategies in psychiatry. Social impairments are defining features of schizophrenia. Impairments of individual layers of social competencies are frequently described in individuals with 22q11.2 deletion syndrome (22q11.2DS), who have high risk of schizophrenia. It is unclear whether and to what extent social impairments associate with subclinical negative and positive symptoms in 22q11...
2016: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/27887679/-mindfulness-based-interventions-in-obsessive-compulsive-disorder-mechanisms-of-action-and-presentation-of-a-pilot-study
#10
M Gasnier, A Pelissolo, G Bondolfi, S Pelissolo, M Tomba, L Mallet, K N'diaye
Obsessive-compulsive disorder (OCD) is a frequent and severe disease, potentially inducing a major impairment for the patient and burden for their family. Recent research in psychiatry and neuroscience have led to better comprehension of the disease's mechanisms and helped to improve its treatment. However, a large proportion of patients have refractory symptoms, including for traditional cognitive and behavioral therapy by exposure and response prevention (ERP), leading clinicians to look for new treatments...
November 22, 2016: L'Encéphale
https://www.readbyqxmd.com/read/27856605/medically-hospitalized-patients-with-eating-disorders-and-somatoform-disorders-in-pediatrics-what-are-their-similarities-and-differences-and-how-can-we-improve-their-care
#11
Patricia Ibeziako, Jennifer M Rohan, Simona Bujoreanu, Christine Choi, Meghan Hanrahan, Melissa Freizinger
OBJECTIVES: The purpose of the current study is to describe the demographic and clinical characteristics and health care use of medically hospitalized patients with eating disorders (ED) and somatoform disorders (SFD) in a pediatric setting and to use the findings to explore opportunities for improved care. METHODS: Retrospective chart reviews of 125 patients with SFD and 125 patients with ED (N = 250) seen at a tertiary pediatric facility over a 12- and 19-month period, respectively...
December 2016: Hospital Pediatrics
https://www.readbyqxmd.com/read/27855425/prostitution-as-a-psychiatric-situation-ethical-aspects
#12
Danijela Tiosavljević, Slavica Djukić-Dejanović, Karel Turza, Aleksandar Jovanović, Vida Jeremić
This paper presents the morally controversial phenomenon of prostitution. As the basis for contemplating the prostitution issue the most important is revealing and understanding its primitive ethical root. For understanding its "soul", its essence, also important is comprehending sexual, "elementary thoughts" of mankind, through the relationship between prostitution and religious, social, political and spiritual life, and its nature as a reflection of the sexual-ethical concepts in different epochs and nations...
December 2016: Psychiatria Danubina
https://www.readbyqxmd.com/read/27844247/a-profile-on-emergency-department-utilization-in-adolescents-and-young-adults-with-autism-spectrum-disorders
#13
Guodong Liu, Amanda M Pearl, Lan Kong, Douglas L Leslie, Michael J Murray
There has been an increase in utilization of the Emergency Department (ED) in individuals with autism spectrum disorder (ASD) which may reflect a deficit of services (Green et al., Journal of the American Academy of Child and Adolescent Psychiatry 40(3):325-332, 2001; Gurney et al., Archives of Pediatric and Adolescent Medicine 160:825-830, 2006; Leichtman et al., American Journal of Orthopsyhciatry 72(2):227-235, 2001). The current study examined the rates of ED utilization between 2005 and 2013 in ASD youth 12- to 21-years-old...
November 14, 2016: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/27843150/the-bacterial-peptidoglycan-sensing-molecule-pglyrp2-modulates-brain-development-and-behavior
#14
T Arentsen, Y Qian, S Gkotzis, T Femenia, T Wang, K Udekwu, H Forssberg, R Diaz Heijtz
Recent studies have revealed that the gut microbiota modulates brain development and behavior, but the underlying mechanisms are still poorly understood. Here, we show that bacterial peptidoglycan (PGN) derived from the commensal gut microbiota can be translocated into the brain and sensed by specific pattern-recognition receptors (PRRs) of the innate immune system. Using expression-profiling techniques, we demonstrate that two families of PRRs that specifically detect PGN (that is, PGN-recognition proteins and NOD-like receptors), and the PGN transporter PepT1 are highly expressed in the developing brain during specific windows of postnatal development in both males and females...
November 15, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27837574/there-is-no-safe-threshold-for-lead-exposure-%C3%AE-literature-review
#15
Th Vorvolakos, S Arseniou, M Samakouri
: Lead was one of the most dangerous environmental toxic substances for a long time in western countries, and this is still the case for many places on earth today. Its neurotoxic potential is highly significant but its secure blood level concentration remains unknown. The aim of this study was to approach the above issue from the perspective of social psychiatry. A systematic search was made of Dialog and Datastar interfaces for data regarding the neuropsychiatric complications of direct or chronic exposure to lead, and a review of the relevant literature was conducted using the databases Medline, Embase, CAB Global Health and Cochrane...
July 2016: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/27833221/profile-of-patients-attending-psychogeriatric-clinic-in-a-tertiary-care-setting
#16
Suresh Neethu, P V Indu, Prabhakaran Anil
BACKGROUND: Proportion of elderly is increasing among the total population of Kerala, and mental health problems of this group are unique. OBJECTIVES: To assess the clinical and sociodemographic profile of patients attending Psychogeriatric Clinic in a tertiary care center and to study the correlation of sociodemographic and clinical variables with psychiatric diagnoses in this population. MATERIALS AND METHODS: A retrospective chart review of patients, who attended the Psychogeriatric Clinic of a tertiary care center over a period of 1 year, was done...
September 2016: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/27832676/editorial-to-child-and-adolescence-psychopharmacology
#17
G Juckel
The editors of Pharmacopsychiatry have decided in 2016 to prepare special issues regularly in order provide our readers volumes of the journal with a thematic focus 1. The first such special issue is dedicated to the field of child and adolescent psychopharmacology. Many young patients are treated with psychotherapeutic, but also pharmacotherapeutic, methods worldwide. Most of our psychopharmacological agents are not approved by the federal institutions for persons under 18 years old. However, severe mental illnesses like schizophrenia, depression, anxiety, ADHD, and bipolar disorder frequently require pharmacological treatments in children and adolescents...
November 2016: Pharmacopsychiatry
https://www.readbyqxmd.com/read/27830935/use-of-computer-vision-tools-to-identify-behavioral-markers-of-pediatric-obsessive-compulsive-disorder-a-pilot-study
#18
Gail A Bernstein, Tasoulla Hadjiyanni, Kathryn R Cullen, Julia W Robinson, Elizabeth C Harris, Austin D Young, Joshua Fasching, Nicholas Walczak, Susanne Lee, Vassilios Morellas, Nikolaos Papanikolopoulos
OBJECTIVES: The clinical presentation of pediatric obsessive-compulsive disorder (OCD) is heterogeneous, which is a stumbling block to understanding pathophysiology and to developing new treatments. A major shift in psychiatry, embodied in the Research Domain Criteria (RDoC) initiative of National Institute of Mental Health, recognizes the pitfalls of categorizing mental illnesses using diagnostic criteria. Instead, RDoC encourages researchers to use a dimensional approach, focusing on narrower domains of psychopathology to characterize brain-behavior relationships...
November 10, 2016: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/27830378/-the-diagnostic-relevance-of-cbcl-and-ysr-in-diagnosing-ptsd-in-adolescence
#19
Sabine Völkl-Kernstock, Katrin Skala, Sophie Klomfar, Oswald D Kothgassner
BACKGROUND: The present study sought to examine the symptomatology of children and adolescents with a history of trauma experience of using the German versions of Child Behavior Checklist (CBCL) and Youth Self Report (YSR). We pursue the question to what extent symptoms differ among adolescents with and without posttraumatic stress disorder (PTSD). A further objective is comparing self-assessment of the children and adolescents with the rating of their parents or caregivers. METHODS: Overall N = 41 patients, aged 11-18 years, and one caregiver of each patient were surveyed...
December 2016: Neuropsychiatrie: Klinik, Diagnostik, Therapie und Rehabilitation
https://www.readbyqxmd.com/read/27826068/rationality-and-self-interest-as-economic-exchange-strategy-in-borderline-personality-disorder-game-theory-social-preferences-and-interpersonal-behavior
#20
REVIEW
Haang Jeung, Christiane Schwieren, Sabine C Herpertz
Borderline Personality Disorder (BPD) is characterized by severe and persistent impairments in interpersonal functioning. Given the complexity of social interactions, studying the interactive behavior of BPD patients is challenging. One way to implement both tight experimental control and realistic, externally valid settings is to use game-theoretical experiments. This review discusses findings from economic exchange studies in BPD against the background of game-theoretical literature. BPD patients do not seem to derive utility from mutual cooperation with others and appear not to "forgive" a partner's unfairness...
December 2016: Neuroscience and Biobehavioral Reviews
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