Functional Brain Imaging in Personality Research and Personality Disorders
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Personality traits can be defined as stable and enduring patterns of perceiving, relating to, and thinking about the environment and oneself. Only when personality traits are inflexible and maladaptive and cause significant functional impairment or subjective distress will they constitute personality disorders. The Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR), representing the widely accepted classification system of mental disorders, designates personality disorders (PD) to axis II. Ten well-circumscribed personality disorders are therein defined and allocated to three clusters (A, B and C). Besides the categorical diagnostic approach in the DSM-IV classification system, there is a robust line of research that is dimensional in nature. Dimensional personality models include Cloninger’s Temperament and Character model, the Five-Factor Model and the Karolinska Personality Model. An overview of brain perfusion and metabolism studies and receptor ligand studies is presented. When appropriate, links to clinical applications are discussed.
KeywordsBorderline Personality Disorder Personality Disorder Personality Disorder Harm Avoidance Borderline Personality Disorder
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