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Heritability of the big five personality dimensions and their facets: a twin study.
The genetic and environmental etiology of the five-factor model of personality as measured by the revised NEO Personality Inventory (NEO-PI-R) was assessed using 123 pairs of identical twins and 127Expand
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Deriving an empirical structure of personality pathology for DSM-5.
The DSM-IV model of personality disorders is composed of trait sets arranged into 10 theoretically distinct, polythetically assessed categories, with little regard for how the traits comprising theseExpand
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Phenotypic and genetic structure of traits delineating personality disorder.
BACKGROUND The evidence suggests that personality traits are hierarchically organized with more specific or lower-order traits combining to form more generalized higher-order traits. Agreement existsExpand
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Genetic and environmental influences on trauma exposure and posttraumatic stress disorder symptoms: a twin study.
OBJECTIVE Posttraumatic stress disorder (PTSD) develops in only a subset of persons exposed to traumatic stress, suggesting the existence of stressor and individual differences that influence risk.Expand
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The borderline diagnosis II: biology, genetics, and clinical course
In Part I of this three-part article, consideration of the core features of BPD psychopathology, of comorbidity with Axis I disorders, and of underlying personality trait structure suggested that theExpand
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Is the genetic structure of human personality universal? A cross-cultural twin study from North America, Europe, and Asia.
This study examined whether universality of the 5-factor model (FFM) of personality operationalized by the Revised NEO Personality Inventory is due to genetic influences that are invariant acrossExpand
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Conceptual and taxonomic issues.
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A framework for integrating dimensional and categorical classifications of personality disorder.
  • W. J. Livesley
  • Psychology, Medicine
  • Journal of personality disorders
  • 10 May 2007
Although empirical evidence strongly supports a dimensional representation of personality disorder, there is strong resistance to dimensional classification due in part to concerns about clinicalExpand
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Personality disorder assessment: the challenge of construct validity.
We begin with a review of the data that challenge the current categorical system for classifying personality disorder, focusing on the central assessment issues of convergent and discriminantExpand
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