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Voice analyses using smartphone-based data in patients with bipolar disorder, unaffected relatives and healthy control individuals, and during different affective states
Voice features have been suggested as objective markers of bipolar disorder (BD). (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - December 1, 2021 Category: Psychiatry Authors: Maria Faurholt-Jepsen, Darius Adam Rohani, Jonas Busk, Maj Vinberg, Jakob Eyvind Bardram and Lars Vedel Kessing Tags: Research Source Type: research

The German research consortium for the study of bipolar disorder (BipoLife): a magnetic resonance imaging study protocol
Bipolar disorder is one of the most severe mental disorders. Its chronic course is associated with high rates of morbidity and mortality, a high risk of suicide and poor social and occupational outcomes. Despi... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - November 17, 2021 Category: Psychiatry Authors: Christoph Vogelbacher, Jens Sommer, Verena Schuster, Miriam H. A. Bopp, Irina Falkenberg, Philipp S. Ritter, Felix Bermpohl, Catherine Hindi Attar, Lisa Rauer, Karolin E. Einenkel, Jens Treutlein, Oliver Gruber, Georg Juckel, Vera Flasbeck, Christoph Mule Tags: Study Protocols Source Type: research

Mania and bipolar depression: complementing not opposing poles —a post-hoc analysis of mixed features in manic and hypomanic episodes
Depending on the classification system used, 5 –40% of manic subjects present with concomitant depressive symptoms. This post-hoc analysis evaluates the hypothesis that (hypo)manic subjects have a higher burden... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - November 16, 2021 Category: Psychiatry Authors: Christoph Born, Heinz Grunze, Robert M. Post, Lori L. Altshuler, Ralph Kupka, Susan L. McElroy, Mark A. Frye, Trisha Suppes, Paul E. Keck, Willem A. Nolen and Lars Schaerer Tags: Research Source Type: research

Characterization of affective lability across subgroups of psychosis spectrum disorders
Affective lability is elevated and associated with increased clinical burden in psychosis spectrum disorders. The extent to which the level, structure and dispersion of affective lability varies between the sp... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - November 4, 2021 Category: Psychiatry Authors: Margrethe Collier H øegh, Ingrid Melle, Sofie R. Aminoff, Beathe Haatveit, Stine Holmstul Olsen, Idun B. Huflåtten, Torill Ueland and Trine Vik Lagerberg Tags: Research Source Type: research

The course of bipolar disorder in pregnant versus non-pregnant women
Although it has been suggested that pregnancy may influence the course of bipolar disorder (BD), studies show contradictory results. Until now, no studies included a finegrained validated method to report mood... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - November 4, 2021 Category: Psychiatry Authors: Anja W. M. M. Stevens, Stasja Draisma, Peter J. J. Goossens, Birit F. P. Broekman, Adriaan Honig, Elise A. M. Knoppert-van der Klein, Willem A. Nolen, Robert M. Post and R. W. Kupka Tags: Research Source Type: research

Affective lability as a prospective predictor of subsequent bipolar disorder diagnosis: a systematic review
The early pathogenesis and precursors of Bipolar Disorder (BD) are poorly understood. There is some cross-sectional and retrospective evidence of affective lability as a predictor of BD, but this is subject to... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - November 1, 2021 Category: Psychiatry Authors: Rosie H. Taylor, Andrea Ulrichsen, Allan H. Young and Rebecca Strawbridge Tags: Review Source Type: research

Long-term outcome of postpartum psychosis: a prospective clinical cohort study in 106 women
We aimed to investigate the outcome of postpartum psychosis over a four-year follow-up, and to identify potential clinical markers of mood/psychotic episodes outside of the postpartum period. (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - October 28, 2021 Category: Psychiatry Authors: Anna-Sophie Rommel, Nina Maren Molenaar, Janneke Gilden, Steven A. Kushner, Nicola J. Westerbeek, Astrid M. Kamperman and Veerle Bergink Tags: Research Source Type: research

Correction to: Using density of antecedent events and trajectory path analysis to investigate family-correlated patterns of onset of bipolar I disorder: a comparison of cohorts from Europe and USA
(Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - October 26, 2021 Category: Psychiatry Authors: Jan Scott, Florence Vorspan, Josephine Loftus, Frank Bellivier and Bruno Etain Tags: Correction Source Type: research

The futility of long-term predictions in bipolar disorder: mood fluctuations are the result of deterministic chaotic processes
Understanding the underlying architecture of mood regulation in bipolar disorder (BD) is important, as we are starting to conceptualize BD as a more complex disorder than one of recurring manic or depressive e... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - October 1, 2021 Category: Psychiatry Authors: Abigail Ortiz, Kamil Bradler, Maxine Mowete, Stephane MacLean, Julie Garnham, Claire Slaney, Benoit H. Mulsant and Martin Alda Tags: Research Source Type: research

Using density of antecedent events and trajectory path analysis to investigate family-correlated patterns of onset of bipolar I disorder: a comparison of cohorts from Europe and USA
Major contributors to the global burden of bipolar disorders (BD) are the early age at onset (AAO) and the co-occurrence of non-mood disorders before and after the onset of BD. Using data from two independent ... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - October 1, 2021 Category: Psychiatry Authors: Jan Scott, Florence Vorspan, Josephine Loftus, Frank Bellivier and Bruno Etain Tags: Research Source Type: research

Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder
Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts w... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - September 1, 2021 Category: Psychiatry Authors: Michael Bauer, Tasha Glenn, Eric D. Achtyes, Martin Alda, Esen Agaoglu, K ürşat Altınbaş, Ole A. Andreassen, Elias Angelopoulos, Raffaella Ardau, Edgar Arrua Vares, Memduha Aydin, Yavuz Ayhan, Christopher Baethge, Rita Bauer, Bernhard T. Baune, Ceylan Tags: Research Source Type: research

Valproic acid autoinduction: a case-based review
Although valproic acid (VPA) induces the metabolism of multiple other drugs, the clinical reports of VPA autoinduction are rare. A comprehensive literature search yielded only one published case series, which ... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - September 1, 2021 Category: Psychiatry Authors: Sean Bennett and Mujeeb U. Shad Tags: Review Source Type: research

Late chronotype predicts more depressive symptoms in bipolar disorder over a 5 year follow-up period
There is increasing evidence that bipolar disorder is influenced by circadian timing, including the timing of sleep and waking activities. Previous studies in bipolar disorder have shown that people with later... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - September 1, 2021 Category: Psychiatry Authors: Parisa Vidafar, Anastasia K. Yocum, Peisong Han, Melvin G. McInnis and Helen J. Burgess Tags: Research Source Type: research

Lurasidone in the long-term treatment of Japanese patients with bipolar I disorder: a 52 week open label study
The current study evaluated the long-term (52 week) safety and impact on symptom measures of lurasidone (with or without lithium or valproate) for the treatment of bipolar I disorder in Japanese patients. (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - August 2, 2021 Category: Psychiatry Authors: Teruhiko Higuchi, Tadafumi Kato, Mari Miyajima, Kei Watabe, Takahiro Masuda, Katsuhiko Hagi and Jun Ishigooka Tags: Research Source Type: research

Is the 4-factor model of symptomology equivalent across bipolar disorder subtypes?
Research with the BDSx (Bipolar Disorder Symptom Scale) suggests a 4-factor structure of responses: two depression (cognitive, somatic) and two hypo/mania factors (elation/loss of insight, affrontive symptoms). T... (Source: International Journal of Bipolar Disorders)
Source: International Journal of Bipolar Disorders - August 2, 2021 Category: Psychiatry Authors: Norm O ’Rourke, Andrew Sixsmith, Tal Michael and Yaacov G. Bachner Tags: Research Source Type: research