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Category: Personality Disorder

Validation of the inventory of Callous-Unemotional Traits among school-going adolescents in Malaysia

Validation of the inventory of Callous-Unemotional Traits among school-going adolescents in Malaysia

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Open Access Peer-reviewed Research Article Aref Ezrin Mohamad Khalil, Hue San Kuay , Maruzairi Husain , Yee Cheng Kueh Published: February 16, 2023 https://doi.org/10.1371/journal.pone.0276724   Abstract A key component in the study of antisocial behaviour among adolescents is the presence of callous-unemotional (CU) traits. Among the established tools available to measure CU traits is the Inventory of Callous-Unemotional traits (ICU). To date, there is no validated questionnaire to assess CU traits for the local population. Therefore, there is a need to validate…

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Manipulating the odds: The effects of Machiavellianism and construal level on cheating behavior

Manipulating the odds: The effects of Machiavellianism and construal level on cheating behavior

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Open Access Peer-reviewed Research Article Mariela E. Jaffé , Rainer Greifeneder, Marc-André Reinhard Published: November 14, 2019 https://doi.org/10.1371/journal.pone.0224526 Abstract Values, beliefs, and traits differ across individuals, and these concepts might impact whether individuals choose to engage in (dis)honest behavior. This project focuses on interindividual differences in Machiavellianism, which is defined as a tendency toward cynicism and manipulativeness, and the belief that the ends justify the means. We hypothesized that trait Machiavellianism would predict dishonest behavior. Furthermore, we speculated that some…

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Understanding empathy deficits and emotion dysregulation in psychopathy: The mediating role of alexithymia

Understanding empathy deficits and emotion dysregulation in psychopathy: The mediating role of alexithymia

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Open Access Peer-reviewed Research Article Matthias Burghart , Alexander H. J. Sahm, Sergej Schmidt, Jan Bulla, Daniela Mier Published: May 8, 2024 https://doi.org/10.1371/journal.pone.0301085 Abstract Psychopathy is a severe personality disorder marked by a wide range of emotional deficits, including a lack of empathy, emotion dysregulation, and alexithymia. Previous research has largely examined these emotional impairments in isolation, ignoring their influence on each other. Thus, we examined the concurrent interrelationship between emotional impairments in psychopathy, with a particular focus on the…

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Personality Traits as Risk Factors for Treatment-Resistant Depression

Personality Traits as Risk Factors for Treatment-Resistant Depression

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Open Access Peer-reviewed Research Article Michio Takahashi, Yukihiko Shirayama , Katsumasa Muneoka, Masatoshi Suzuki, Koichi Sato, Kenji Hashimoto Published: May 22, 2013 https://doi.org/10.1371/journal.pone.0063756 Abstract Background The clinical outcome of antidepressant treatment in patients with major depressive disorder (MDD) is thought to be associated with personality traits. A number of studies suggest that depressed patients show high harm avoidance, low self-directedness and cooperativeness, as measured on the Temperament and Character Inventory (TCI). However, the psychology of these patients is not well…

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White Matter Microstructure Alterations: A Study of Alcoholics with and without Post-Traumatic Stress Disorder

White Matter Microstructure Alterations: A Study of Alcoholics with and without Post-Traumatic Stress Disorder

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Open Access Peer-reviewed Research Article Caitlin A. Durkee, Joelle E. Sarlls, Daniel W. Hommer, Reza Momenan Published: November 18, 2013 https://doi.org/10.1371/journal.pone.0080952 Abstract Many brain imaging studies have demonstrated reductions in gray and white matter volumes in alcoholism, with fewer investigators using diffusion tensor imaging (DTI) to examine the integrity of white matter pathways. Among various medical conditions, alcoholism and post-traumatic stress disorder (PTSD) are two comorbid diseases that have similar degenerative effects on the white matter integrity. Therefore, understanding and…

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What makes a violent mind? The interplay of parental rearing, dark triad personality traits and propensity for violence in a sample of German adolescents

What makes a violent mind? The interplay of parental rearing, dark triad personality traits and propensity for violence in a sample of German adolescents

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Open Access Peer-reviewed Research Article Alexander Yendell , Vera Clemens , Julia Schuler, Oliver Decker Published: June 22, 2022 https://doi.org/10.1371/journal.pone.0268992 Correction 20 Jan 2023: The PLOS ONE Staff (2023) Correction: What makes a violent mind? The interplay of parental rearing, dark triad personality traits and propensity for violence in a sample of German adolescents. PLOS ONE 18(1): e0280898. https://doi.org/10.1371/journal.pone.0280898 View correction Abstract Machiavellianism, narcissism and psychopathy are socially aversive personality traits that are strongly linked to the propensity of violence….

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How does CEO narcissism affect enterprise ambidextrous technological innovation? The mediating role of corporate social responsibility

How does CEO narcissism affect enterprise ambidextrous technological innovation? The mediating role of corporate social responsibility

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Open Access Peer-reviewed Research Article Zeping Wang , Xingqiu Hu, Feifei Yu Published: January 20, 2023 https://doi.org/10.1371/journal.pone.0280758 Abstract In the context of a dynamic environment and increasing competition, innovation is the key for companies to gain long-term growth. And narcissism, as an important psychological factor influencing CEOs to make corporate decisions, has a significant impact on corporate innovation strategies. This study explores localized dimensions and ways of measuring narcissism among Chinese CEOs. Based on the upper echelons theory, using data…

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Deficits in Degraded Facial Affect Labeling in Schizophrenia and Borderline Personality Disorder

Deficits in Degraded Facial Affect Labeling in Schizophrenia and Borderline Personality Disorder

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Open Access Peer-reviewed Research Article Annemiek van Dijke , Mascha van ‘t Wout, Julian D. Ford, André Aleman Published: June 14, 2016 https://doi.org/10.1371/journal.pone.0154145 Citation: van Dijke A, van ‘t Wout M, Ford JD, Aleman A (2016) Deficits in Degraded Facial Affect Labeling in Schizophrenia and Borderline Personality Disorder. PLoS ONE 11(6): e0154145. https://doi.org/10.1371/journal.pone.0154145 Editor: Christian Schmahl, Central Institute of Mental Health, GERMANY Received: August 11, 2015; Accepted: April 8, 2016; Published: June 14, 2016 Copyright: © 2016 van Dijke et…

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Narcissus’ belief about his body: Aspects of narcissism, body image, and eating disorder symptoms

Narcissus’ belief about his body: Aspects of narcissism, body image, and eating disorder symptoms

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Open Access Peer-reviewed Research Article Piotr Szymczak , Daniel Talbot, Emanuela S. Gritti, Peter K. Jonason Published: November 9, 2023 https://doi.org/10.1371/journal.pone.0293578 Abstract Objective Narcissism may play a role in shaping body image concerns. Here we examined the relationships between narcissism (i.e., agentic extraversion, antagonism, narcissistic neuroticism, leadership/authority, exhibitionism/entitlement) and body image concerns and disturbances (i.e., drive for thinness, drive for muscularity, eating disorder symptoms, body mass index, current/desired fat, and current/desired muscularity). Methods Mechanical Turk workers from the USA (N…

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Expensive Egos: Narcissistic Males Have Higher Cortisol

Expensive Egos: Narcissistic Males Have Higher Cortisol

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Open Access Peer-reviewed Research Article David A. Reinhard, Sara H. Konrath, William D. Lopez, Heather G. Cameron   Published: January 23, 2012 https://doi.org/10.1371/journal.pone.0030858 Correction 12 Jul 2012: Reinhard DA, Konrath SH, Lopez WD, Cameron HG (2012) Correction: Expensive Egos: Narcissistic Males Have Higher Cortisol. PLOS ONE 7(7): 10.1371/annotation/1c60eca3-794f-4a09-8a82-e43ed3cc2009. https://doi.org/10.1371/annotation/1c60eca3-794f-4a09-8a82-e43ed3cc2009 View correction Abstract Background Narcissism is characterized by grandiosity, low empathy, and entitlement. There has been limited research regarding the hormonal correlates of narcissism, despite the potential health implications. This study examined the role of…

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