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Month: April 2025

A Behavioral Genetic Study of Intrapersonal and Interpersonal Dimensions of Narcissism

A Behavioral Genetic Study of Intrapersonal and Interpersonal Dimensions of Narcissism

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Open Access Peer-reviewed Research Article Yu L. L. Luo, Huajian Cai , Hairong Song Published: April 2, 2014 https://doi.org/10.1371/journal.pone.0093403   Abstract Narcissism, characterized by grandiose self-image and entitled feelings to others, has been increasingly prevalent in the past decades. This study examined genetic and environmental bases of two dimensions of narcissism: intrapersonal grandiosity and interpersonal entitlement. A total of 304 pairs of twins from Beijing, China completed the Narcissistic Grandiosity Scale and the Psychological Entitlement Scale. Both grandiosity (23%) and…

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Suicide and sudden violent death among young people: Two sides of the same coin?

Suicide and sudden violent death among young people: Two sides of the same coin?

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Open Access Peer-reviewed Research Article Annelie Werbart Törnblom , Andrzej Werbart , Kimmo Sorjonen , Bo Runeson Published: December 4, 2024 https://doi.org/10.1371/journal.pone.0313673   Abstract The aim of the present study was to compare risk factors for death by suicide and sudden violent death (SVD) among young people aged 10–25 years. Two target samples, 63 consecutive cases of youth suicide and 62 cases of SVD, were compared on potential risk factors differentiating the two groups from 104 controls. Data on psychiatric…

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Brain Structural Alterations in Obsessive-Compulsive Disorder Patients with Autogenous and Reactive Obsessions

Brain Structural Alterations in Obsessive-Compulsive Disorder Patients with Autogenous and Reactive Obsessions

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Open Access Peer-reviewed Research Article Marta Subirà, Pino Alonso, Cinto Segalàs, Eva Real, Clara López-Solà, Jesús Pujol, Ignacio Martínez-Zalacaín, Ben J. Harrison, José M. Menchón, Narcís Cardoner, Carles Soriano-Mas Published: September 30, 2013 https://doi.org/10.1371/journal.pone.0075273 Abstract Obsessive-compulsive disorder (OCD) is a clinically heterogeneous condition. Although structural brain alterations have been consistently reported in OCD, their interaction with particular clinical subtypes deserves further examination. Among other approaches, a two-group classification in patients with autogenous and reactive obsessions has been proposed. The purpose…

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Mental disorders and criminal legal involvement: Evidence from a national diagnostic epidemiological survey

Mental disorders and criminal legal involvement: Evidence from a national diagnostic epidemiological survey

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Open Access Peer-reviewed Research Article Jeffrey W. Swanson , Madeline Stenger, Michele M. Easter, Natalie Bareis, Lydia Chwastiak, Lisa B. Dixon, Mark J. Edlund, Scott Graupensperger, Heidi Guyer, Maria  Monroe-DeVita, Mark Olfson, T. Scott Stroup, Katherine S. Winans, Marvin S. Swartz Published: April 9, 2025 https://doi.org/10.1371/journal.pmen.0000257 Abstract Large numbers of adults with mental disorders in the United States are incarcerated or otherwise involved with the criminal legal system. Evidence is lacking on prevalence of specific psychiatric diagnoses in this population. This…

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Longitudinal measurement invariance of the Child Problematic Trait Inventory in older Chinese children

Longitudinal measurement invariance of the Child Problematic Trait Inventory in older Chinese children

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Open Access Peer-reviewed Research Article Jie Luo, Xuetong Wang , Meng-Cheng Wang , Xintong Zhang, Jiaxin Deng, Chuxian Zhong, Yu Gao, Shi-san Qi Published: July 3, 2019 https://doi.org/10.1371/journal.pone.0219136 Abstract The Child Problematic Traits Inventory (CPTI) is a newly developed informant-rated instrument to measure psychopathic traits during early childhood. The aim of this study was to examine the longitudinal measurement invariance of the CPTI in a group of Chinese schoolchildren. Mothers of 585 children aged 8 to 12 years (50% girls)…

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The significance of anxiety symptoms in predicting psychosocial functioning across borderline personality traits

The significance of anxiety symptoms in predicting psychosocial functioning across borderline personality traits

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Open Access Peer-reviewed Research Article Jacqueline Howard, Howard J, de Jesús-Romeroo, Allison Peipert, Tennisha Riley, Lauren A. Rutter, Lorenzo Lorenzo-Luaces Published: January 27, 2021 https://doi.org/10.1371/journal.pone.0245099 Abstract Emotion regulation is a central task of daily life. Difficulty regulating emotions is a core feature of borderline personality disorder (BPD), one of the most common and impairing personality disorder diagnoses. While anger and symptoms of depression are instantiated in the criteria for BPD, anxiety is not, despite being among the most common psychiatric…

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Cognitive Behaviour Therapy for Depersonalisation Derealisation Disorder (CBT-f-DDD): Study protocol for a randomised controlled feasibility trial

Cognitive Behaviour Therapy for Depersonalisation Derealisation Disorder (CBT-f-DDD): Study protocol for a randomised controlled feasibility trial

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Open Access Study Protocol Georgia McRedmond, Rafael Gafoor, Lucy Ring, Nicola Morant, Joe Perkins, Nicola Dalrymple, Ana Dumitru, Anthony S. David, Glyn Lewis, Elaine C. M. Hunter Published: August 9, 2024 https://doi.org/10.1371/journal.pone.0307191 Abstract Background Depersonalisation-Derealisation Disorder (DDD) is a distressing mental health condition which causes individuals to have a sense of ‘unreality’ or detachment about themselves and/or the world around them. DDD is chronically under-researched, and as a result, under-diagnosed, with a population prevalence of about 1%. In systematic reviews,…

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Change Mechanisms of Schema-Centered Group Psychotherapy with Personality Disorder Patients

Change Mechanisms of Schema-Centered Group Psychotherapy with Personality Disorder Patients

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Open Access Peer-reviewed Research Article Wolfgang Tschacher , Peter Zorn, Fabian Ramseyer Published: June 22, 2012 https://doi.org/10.1371/journal.pone.0039687   Abstract Background This study addressed the temporal properties of personality disorders and their treatment by schema-centered group psychotherapy. It investigated the change mechanisms of psychotherapy using a novel method by which psychotherapy can be modeled explicitly in the temporal domain. Methodology and Findings 69 patients were assigned to a specific schema-centered behavioral group psychotherapy, 26 to social skills training as a control…

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Identifying distinct profiles of impulsivity for the four facets of psychopathy

Identifying distinct profiles of impulsivity for the four facets of psychopathy

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Open Access Peer-reviewed Research Article Samuel J. West , Elena Psederska, Kiril Bozgunov, Dimitar Nedelchev, Georgi Vasilev, Nicholas D. Thomson, Jasmin Vassileva Published: April 14, 2023  https://doi.org/10.1371/journal.pone.0283866 Abstract Psychopathy comprises antagonistic personality traits and antisocial behaviors that are associated with critical outcomes for the individual and society (e.g., violent behavior). Since its inception, impulsivity has been theorized as a core feature of psychopathy. Research supports this assertion, yet psychopathy and impulsivity are both multifaceted constructs. As such, the associations commonly…

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General trust impedes perception of self-reported primary psychopathy in thin slices of social interaction

General trust impedes perception of self-reported primary psychopathy in thin slices of social interaction

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Open Access Peer-reviewed Research Article Joseph H. Manson , Matthew M. Gervais, Gregory A. Bryant Published: May 2, 2018 https://doi.org/10.1371/journal.pone.0196729 Abstract Little is known about people’s ability to detect subclinical psychopathy from others’ quotidian social behavior, or about the correlates of variation in this ability. This study sought to address these questions using a thin slice personality judgment paradigm. We presented 108 undergraduate judges (70.4% female) with 1.5 minute video thin slices of zero-acquaintance triadic conversations among other undergraduates (targets:…

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