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https://www.readbyqxmd.com/read/28525603/genome-wide-association-study-of-psychosis-proneness-in-the-finnish-population
#1
Alfredo Ortega-Alonso, Jesper Ekelund, Antti-Pekka Sarin, Jouko Miettunen, Juha Veijola, Marjo-Riitta Järvelin, William Hennah
The current study examined quantitative measures of psychosis proneness in a nonpsychotic population, in order to elucidate their underlying genetic architecture and to observe if there is any commonality to that already detected in the studies of individuals with overt psychotic conditions, such as schizophrenia and bipolar disorder. Heritability, univariate and multivariate genome-wide association (GWAs) tests, including a series of comprehensive gene-based association analyses, were developed in 4269 nonpsychotic persons participating in the Northern Finland Birth Cohort 1966 study with information on the following psychometric measures: Hypomanic Personality, Perceptual Aberration, Physical and Social Anhedonia (also known as Chapman's Schizotypia scales), and Schizoidia scale...
May 19, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28506220/does-the-number-of-previous-mood-episodes-moderate-the-relationship-between-alcohol-use-smoking-and-mood-in-bipolar-outpatients
#2
Wendela G Ter Meulen, Jan van Zaane, Stasja Draisma, Aartjan T F Beekman, Ralph W Kupka
BACKGROUND: Evidence suggests that alcohol use and smoking are negatively associated with mood in bipolar disorders (BD). It is unknown if this relationship is moderated by the number of previous mood episodes. Therefore, this paper aims to examine whether the number of previous mood episodes moderates the relationship between alcohol use and smoking, and mood. METHOD: This study assessed the outcomes of 108 outpatients with BD I and II in a prospective observational cohort study...
May 15, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28503113/who-s-the-leader-mania-or-depression-predominant-polarity-and-alcohol-polysubstance-use-in-bipolar-disorders
#3
Delfina Janiri, Marco Di Nicola, Giovanni Martinotti, Luigi Janiri
BACKGROUND: Predominant polarity characterises patients who mainly manifest recurrences of depression or mania/hypomania. Alcohol use disorder (AUD) and polysubstance use (PSU), which often complicate bipolar disorder (BD) and affect its clinical course, can influence predominant polarity. Nevertheless, previous studies have not clarified if BD patients differ in predominant polarity from BD patients with substance use disorder (SUD) comorbidity. OBJECTIVE: The aim of this study was to compare predominant polarity between BD without SUD, BD with AUD and BD with PSU...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28503111/free-interval-duration-clinical-evidence-of-the-primary-role-of-excitement-in-bipolar-disorder
#4
Gabriele Sani, Alessio Simonetti, Daniela Reginaldi, Alexia E Koukopoulos, Antonio Del Casale, Giovanni Manfredi, Georgios D Kotzalidis, Paolo Girardi
BACKGROUND: Cyclicity is the essential feature of Bipolar disorder, but the effect of different cycle patterns on the clinical features is poorly understood. Moreover, no studies investigated the relationship between mania and depression inside the manic-depressive cycle. OBJECTIVE: The aim of this study is to verify the presence of a relationship between the manic and the depressive phase during the course of bipolar disorder. METHOD: 160 consecutive patients with BD type I were recruited and followed for a mean period of 10 years...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28503108/diagnosis-and-treatment-of-cyclothymia-the-primacy-of-temperament
#5
REVIEW
Giulio Perugi, Elie Hantouche, Giulia Vannucchi
BACKGROUND: Contrary to DSM-5 definition based on recurrence of low grade hypomanic and depressive symptoms, cyclothymia is better defined in a neurodevelopmental perspective as an exaggeration of cyclothymic temperament. Emotional dysregulation with extreme mood instability and reactivity is the core features of the complex symptomatology. METHOD: In the present article, we critically reviewed the literature on the diagnosis and treatment of cyclothymia, focusing on the temperamental and neurodevelopmental perspectives...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28499900/lurasidone-in-post-menopausal-females-with-major-depressive-disorder-with-mixed-features-post-hoc-analysis-of-a-placebo-controlled-trial
#6
John Sramek, Anthony Loebel, Michael Murphy, Yongcai Mao, Andrei Pikalov, Neal R Cutler
BACKGROUND: Several studies have found that depressed, post-menopausal females may respond differently to antidepressants compared to pre-menopausal females. The atypical antipsychotic lurasidone, whose mechanism of action differs from SSRIs and other standard antidepressants, was shown in a 6-week randomized, flexible-dose, placebo-controlled study (n=209), to be effective in treating major depressive disorder (MDD) with mixed features (subthreshold hypomanic symptoms). This post-hoc analysis assessed the efficacy of lurasidone in this study by menopausal status...
May 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28493605/adverse-effects-of-obesity-on-cognitive-functions-in-individuals-at-ultra-high-risk-for-bipolar-disorder-results-from-the-global-mood-and-brain-science-initiative
#7
Roger S McIntyre, Rodrigo B Mansur, Yena Lee, Letícia Japiassú, Kun Chen, Rui Lu, Weicong Lu, Xiaodong Chen, Ting Li, Guiyun Xu, Kangguang Lin
BACKGROUND: The burden of illness associated with bipolar disorder (BD) warrants early pre-emption/prevention. Prediction models limited to psychiatric phenomenology have insufficient predictive power. Herein, we aimed to evaluate whether the presence of overweight/obesity is associated with greater cognitive decline in individuals at high risk (HR) or ultra high risk (UHR) for BD. METHODS: We conducted a retrospective analysis to investigate the moderational role of body mass index (BMI) on measures of cognitive function...
March 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28483660/markers-of-neuroinflammation-and-neuronal-injury-in-bipolar-disorder-relation-to-prospective-clinical-outcomes
#8
Anniella Isgren, Carl Sellgren, Carl-Johan Ekman, Jessica Holmén-Larsson, Kaj Blennow, Henrik Zetterberg, Joel Jakobsson, Mikael Landén
BACKGROUND: Neuroimmune mechanisms have been linked to the pathophysiology of bipolar disorder based on studies of biomarkers in plasma, cerebrospinal fluid (CSF), and postmortem brain tissue. There are, however, no longitudinal studies investigating if CSF markers of neuroinflammation and neuronal injury predict clinical outcomes in patients with bipolar disorder. We have in previous studies found higher CSF concentrations of interleukin-8 (IL-8), monocyte chemoattractant protein 1 (MCP-1/CCL-2), chitinase-3-like protein 1 (CHI3L1/YKL-40), and neurofilament light chain (NF-L) in euthymic patients with bipolar disorder compared with controls...
May 5, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28482278/mania-risk-is-characterized-by-an-aberrant-optimistic-update-bias-for-positive-life-events
#9
Sandra Schönfelder, Johanna Langer, Eva Elisa Schneider, Michèle Wessa
BACKGROUND: Early cognitive models of mania posit that a cognitive triad consisting of unrealistically optimistic beliefs about the self, world and future may predispose vulnerable individuals to develop manic symptoms. Hypomanic personality traits (HYP) pose such a vulnerability factor in the etiopathogenesis of mania. METHODS: To test the cognitive tenet of overly optimistic views of the future, 24 individuals with high-HYP and 24 age- and sex-matched controls (low-HYP) performed a belief update paradigm, during which they estimated their personal chances to experience future positive and negative life events...
April 30, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28470892/impact-of-irritability-a-2-year-observational-study-of-outpatients-with-bipolar-i-or-schizoaffective-disorder
#10
Lesley Berk, Karen T Hallam, Kamalesh Venugopal, Andrew James Lewis, David W Austin, Jayashri Kulkarni, Seetal Dodd, Anthony de Castella, Paul B Fitzgerald, Michael Berk
OBJECTIVES: Many people experience irritability when manic, hypomanic, or depressed, yet its impact on illness severity and quality of life in bipolar and schizoaffective disorders is poorly understood. This study aimed to examine the relationship between irritability and symptom burden, functioning, quality of life, social support, suicidality, and overall illness severity in a naturalistic cohort of people with bipolar I or schizoaffective disorder. METHODS: We used data from 239 adult outpatients with bipolar I or schizoaffective disorder in the Bipolar Comprehensive Outcomes Study (BCOS) - a non-interventional observational study with a 2-year follow-up period...
May 3, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28463099/remission-and-recovery-associated-with-lurasidone-in-the-treatment-of-major-depressive-disorder-with-subthreshold-hypomanic-symptoms-mixed-features-post-hoc-analysis-of-a-randomized-placebo-controlled-study-with-longer-term-extension-corrigendum
#11
Joseph F Goldberg, Daisy Ng-Mak, Cynthia Siu, Chien-Chia Chuang, Krithika Rajagopalan, Antony Loebel
No abstract text is available yet for this article.
May 2, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28457018/modulation-of-the-n400-component-in-relation-to-hypomanic-personality-traits-in-a-word-meaning-ambiguity-resolution-task
#12
Delphine Raucher-Chéné, Sarah Terrien, Pamela Gobin, Fabien Gierski, Arthur Kaladjian, Chrystel Besche-Richard
AIM: High levels of hypomanic personality traits have been associated with an increased risk of developing bipolar disorder (BD). Changes in semantic content, impaired verbal associations, abnormal prosody and abnormal speed of language are core features of BD, and are thought to be related to semantic processing abnormalities. In the present study, we used event-related potentials to investigate the relationship between semantic processing (N400 component) and hypomanic personality traits...
April 29, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28449569/baclofen-abuse-due-to-its-hypomanic-effect-in-patients-with-alcohol-dependence-and-comorbid-major-depressive-disorder
#13
Soumitra Ghosh, Dhrubajyoti Bhuyan
Baclofen is a gamma-aminobutyric acid type B receptor agonist used as an anti-craving agent for treatment of alcohol dependence. It has gained popularity in the recent times because it is well tolerated even in patients with hepatic impairments. Herein we are summarizing the latest literature about baclofen induced hypomania and are reporting a case of baclofen abuse because of its mood elevating property in a patient of alcohol dependence with comorbid major depressive disorder. Literature review and case study of a 36-year-old male with alcohol dependence with comorbid major depressive disorder was prescribed with tablet baclofen as an anti-craving agent along with antidepressant medicines...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28421980/guidelines-for-the-recognition-and-management-of-mixed-depression
#14
Stephen M Stahl, Debbi A Morrissette, Gianni Faedda, Maurizio Fava, Joseph F Goldberg, Paul E Keck, Yena Lee, Gin Malhi, Ciro Marangoni, Susan L McElroy, Michael Ostacher, Joshua D Rosenblat, Eva Solé, Trisha Suppes, Minoru Takeshima, Michael E Thase, Eduard Vieta, Allan Young, Mark Zimmerman, Roger S McIntyre
A significant minority of people presenting with a major depressive episode (MDE) experience co-occurring subsyndromal hypo/manic symptoms. As this presentation may have important prognostic and treatment implications, the DSM-5 codified a new nosological entity, the "mixed features specifier," referring to individuals meeting threshold criteria for an MDE and subthreshold symptoms of (hypo)mania or to individuals with syndromal mania and subthreshold depressive symptoms. The mixed features specifier adds to a growing list of monikers that have been put forward to describe phenotypes characterized by the admixture of depressive and hypomanic symptoms (e...
February 28, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28407229/weight-gain-with-add-on-second-generation-antipsychotics-in-bipolar-disorder-a-naturalistic-study
#15
H Najar, E Joas, M Kardell, E Pålsson, M Landén
OBJECTIVE: Our aim was to investigate the prevalence and magnitude of weight gain in-patients with bipolar disorder when treated with a second-generation antipsychotic as an add-on treatment to a mood stabilizer in routine clinical practice. METHODS: Data were derived from the quality register for bipolar disorder in Sweden (BipoläR). Patients with bipolar disorder who started add-on treatment with a SGA (n = 575) were compared at next yearly follow-up with age and sex matched patients who were only treated with a mood stabilizer (n = 566)...
June 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28401296/associations-of-specific-psychiatric-disorders-with-isolated-focal-dystonia-and-monogenic-and-idiopathic-parkinson-s-disease
#16
Susanne Steinlechner, Johann Hagenah, Hans-Jürgen Rumpf, Christian Meyer, Ulrich John, Tobias Bäumer, Norbert Brüggemann, Meike Kasten, Alexander Münchau, Christine Klein, Rebekka Lencer
Comorbidity of psychiatric disorders in patients with movement disorders is common. Often, psychiatric symptoms manifest before the onset of the movement disorder, thus not representing a mere reaction to its burden. How the disease mechanisms of psychiatric and movement disorders are related is still poorly understood. The aim of the present study was to compare prevalence rates of specific psychiatric disorders between different movement disorders including isolated focal dystonia (IFD, N = 91), monogenic Parkinson's disease (PD, N = 41), idiopathic PD (N = 45), and a sample from a Northern Germany general population (TACOS Study; N = 4075)...
April 11, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28390496/kindling-of-life-stress-in-bipolar-disorder-effects-of-early-adversity
#17
Benjamin G Shapero, Rachel B Weiss, Taylor A Burke, Elaine M Boland, Lyn Y Abramson, Lauren B Alloy
Most theoretical frameworks regarding the role of life stress in bipolar disorders (BD) do not incorporate the possibility of a changing relationship between psychosocial context and episode initiation across the course of the disorder. The kindling hypothesis theorizes that over the longitudinal course of recurrent affective disorders, the relationship between major life stressors and episode initiation declines (Post, 1992). The present study aimed to test an extension of the kindling hypothesis in BD by examining the effect of early life adversity on the relationship between proximal life events and prospectively assessed mood episodes...
May 2017: Behavior Therapy
https://www.readbyqxmd.com/read/28390495/aggression-protects-against-the-onset-of-major-depressive-episodes-in-individuals-with-bipolar-spectrum-disorder
#18
Tommy H Ng, Rachel D Freed, Madison K Titone, Jonathan P Stange, Rachel B Weiss, Lyn Y Abramson, Lauren B Alloy
A growing body of research suggests that bipolar spectrum disorders (BSDs) are associated with high aggression. However, little research has prospectively examined how aggression may affect time to onset of hypomanic/manic versus major depressive episodes. In a longitudinal study, we tested the hypothesis that aggression would prospectively predict a shorter time to the onset of hypomanic/manic episodes and a longer time to the onset of major depressive episodes, based on the behavioral approach system theory of BSDs...
May 2017: Behavior Therapy
https://www.readbyqxmd.com/read/28368159/personality-disorder-symptom-severity-predicts-onset-of-mood-episodes-and-conversion-to-bipolar-i-disorder-in-individuals-with-bipolar-spectrum-disorder
#19
Tommy H Ng, Taylor A Burke, Jonathan P Stange, Patricia D Walshaw, Rachel B Weiss, Snezana Urosevic, Lyn Y Abramson, Lauren B Alloy
Although personality disorders (PDs) are highly comorbid with bipolar spectrum disorders (BSDs), little longitudinal research has been conducted to examine the prospective impact of PD symptoms on the course of BSDs. The aim of this study is to examine whether PD symptom severity predicts shorter time to onset of bipolar mood episodes and conversion to bipolar I disorder over time among individuals with less severe BSDs. Participants (n = 166) with bipolar II disorder, cyclothymia, or bipolar disorder not otherwise specified completed diagnostic interview assessments of PD symptoms and self-report measures of mood symptoms at baseline...
April 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28365865/socio-demographic-and-clinical-characterization-of-patients-with-bipolar-disorder-i-vs-ii-a-nationwide-italian-study
#20
A Carlo Altamura, Massimiliano Buoli, Bruno Cesana, Bernardo Dell'Osso, Gianluigi Tacchini, Umberto Albert, Andrea Fagiolini, Andrea de Bartolomeis, Giuseppe Maina, Emilio Sacchetti
Bipolar disorders (BDs) are prevalent, comorbid and disabling conditions, associated with the highest suicide risk among psychiatric illnesses. In the last few years, new efforts to better characterize the socio-demographic and clinical profiles of BD type I vs II have been documented by several reports, with novel and insightful findings in the field. The present multicenter study aimed to provide a comprehensive and reliable representation of the Italian reality, through the analysis of the largest national sample of bipolar patients collected so far...
April 1, 2017: European Archives of Psychiatry and Clinical Neuroscience
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