Psychology

 Open Access Peer-reviewed Research Article Corine de Ruiter , Matthias Burghart, Raneesha De Silva, Sara Griesbeck Garcia, Ushna Mian, Eoin Walshe, Veronika Zouharova Published: August 10, 2022 https://doi.org/10.1371/journal.pone.0272704 Abstract Psychopathy is a personality disorder characterized by a mix of traits belonging to four facets: affective (e.g., callous/lack of empathy), interpersonal (e.g., grandiosity), behavioral instability (e.g., impulsivity, poor behavioral controls), and social deviance (e.g., juvenile delinquency, criminal versatility). Several scholars have argued that early childhood maltreatment impacts the development of psychopathy,…

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Open Access Peer-reviewed Research Article Karolina Sörman ,Gustav Nilsonne, Katarina Howner, Sandra Tamm, Shilan Caman, Hui-Xin Wang, Martin Ingvar, John F. Edens, Petter Gustavsson, Scott O Lilienfeld, Predrag Petrovic, Håkan Fischer, Marianne Kristiansson Published: June 14, 2016 https://doi.org/10.1371/journal.pone.0156570 Abstract Cross-cultural investigation of psychopathy measures is important for clarifying the nomological network surrounding the psychopathy construct. The Psychopathic Personality Inventory-Revised (PPI-R) is one of the most extensively researched self-report measures of psychopathic traits in adults. To date however, it has been…

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Open Access Peer-reviewed Research Article Vanessa Pera-Guardiola , Oren Contreras-Rodríguez , Iolanda Batalla, David Kosson, José M Menchón, Josep Pifarré,Javier Bosque, Narcís Cardoner , Carles Soriano-Mas Published: May 13, 2016 https://doi.org/10.1371/journal.pone.0149807   Abstract Individuals with psychopathy present deficits in the recognition of facial emotional expressions. However, the nature and extent of these alterations are not fully understood. Furthermore, available data on the functional neural correlates of emotional face recognition deficits in adult psychopaths have provided mixed results. In this context,…

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Open Access Peer-reviewed Research Article Rachel Jewkes , Robert Morrell, Yandisa Sikweyiya, Kristin Dunkle, Loveday Penn-Kekana Published: July 20, 2012 https://doi.org/10.1371/journal.pone.0040821 Abstract Background South African policy makers are reviewing legislation of prostitution, concerned that criminalisation hampers HIV prevention. They seek to understand the relationship between transactional sex, prostitution, and the nature of the involved men. Methods 1645 randomly-selected adult South African men participated in a household study, disclosing whether they had sex with a woman in prostitution or had had…

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Open Access Peer-reviewed Research Article Inti A. Brazil , Robbert Jan Verkes, Bart H. J. Brouns, Jan K. Buitelaar, Berend H. Bulten, Ellen R. A. de Bruijn Published: November 16, 2012 https://doi.org/10.1371/journal.pone.0050339 Abstract Recent studies have shown that while psychopathy and non-psychopathic antisociality overlap, they differ in the extent to which cognitive impairments are present. Specifically, psychopathy has been related to abnormal allocation of attention, a function that is traditionally believed to be indexed by event-related potentials (ERPs) of the…

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Open Access Peer-reviewed Research Article Bruno Verschuere , Willem in ´t Hout Published: July 8, 2016 https://doi.org/10.1371/journal.pone.0158595 Abstract The cognitive view on deception holds that lying typically requires additional mental effort as compared to truth telling. Psychopathy, however, has been associated with swift and even compulsive lying, leading us to explore the ease and compulsive nature of lying in psychopathic offenders. We explored the costs of instructed lying versus truth telling through RTs and error rates in 52 violent male…

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Open Access Peer-reviewed Research Article Stephane A. De Brito , Essi Viding, Veena Kumari, Nigel Blackwood, Sheilagh Hodgins Published: June 20, 2013 https://doi.org/10.1371/journal.pone.0065566 Abstract Background Impairments in executive function characterize offenders with antisocial personality disorder (ASPD) and offenders with psychopathy. However, the extent to which those impairments are associated with ASPD, psychopathy, or both is unknown. Methods The present study examined 17 violent offenders with ASPD and psychopathy (ASPD+P), 28 violent offenders with ASPD without psychopathy (ASPD−P), and 21 healthy…

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Open Access Peer-reviewed Research Article Lucy Foulkes , Eamon J. McCrory, Craig S. Neumann, Essi Viding Published: August 27, 2014 https://doi.org/10.1371/journal.pone.0106000 Abstract Individuals with high levels of psychopathic traits tend to undervalue long-term, affiliative relationships, but it remains unclear what motivates them to engage in social interactions at all. Their experience of social reward may provide an important clue. In Study 1 of this paper, a large sample of participants (N = 505) completed a measure of psychopathic traits (Self-Report Psychopathy Scale…

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Open Access Peer-reviewed Research Article Natalie Laporte , Andrejs Ozolins, Sofie Westling, Åsa Westrin, Eva Billstedt, Björn Hofvander, Märta Wallinius Published: August 17, 2017 https://doi.org/10.1371/journal.pone.0182258 Abstract Deliberate self-harm behavior (DSH) can have profound effects on a person’s quality of life, and challenges the health care system. Even though DSH has been associated with aggressive interpersonal behaviors, the knowledge on DSH in persons exhibiting such behaviors is scarce. This study aims to (1) specify the prevalence and character of DSH, (2)…

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