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Paranoid personality disorder (PPD) is a mental disorder characterized by paranoia, and a pervasive, long-standing suspiciousness and generalized mistrust of others. People with this personality disorder may be hypersensitive, easily insulted, and habitually relate to the world by vigilant scanning of the environment for clues or suggestions that may validate their fears or biases.
"The Visit of Plague in Milan" (F. Jenewein, 1899), a painting of a man stoned on suspicion of spreading the plague. Suspicion is a cognition of mistrust in which a person doubts the honesty of another person or believes another person to be guilty of some type of wrongdoing or crime, but without sure proof.
A paranoid person may view someone else's accidental behavior as though it is intentional or signifies a threat. An investigation of a non-clinical paranoid population found that characteristics such as feeling powerless and depressed, isolating oneself, and relinquishing activities, were associated with more frequent paranoia. [5]
The prevalence of this condition stands at about 24 to 30 cases per 100,000 people while 0.7 to 3.0 new cases per 100,000 people are reported every year. Delusional disorder accounts for 1–2% of admissions to inpatient mental health facilities. [7] [30] The incidence of first admissions for delusional disorder is lower, from 0.001 to 0.003%. [31]
Recent studies have found that people who are identified as internet trolls tend to have dark personality traits and show signs of sadism, antisocial behavior, psychopathy, and Machiavellianism. [ 84 ] [ 85 ] [ 86 ] The 2013 case study suggested that there are a number of similarities between anti-social and flame trolling activities, [ 87 ...
To examine how the Big Five personality traits are related to subjective health outcomes (positive and negative mood, physical symptoms, and general health concern) and objective health conditions (chronic illness, serious illness, and physical injuries), Jasna Hudek-Knezevic and Igor Kardum conducted a study from a sample of 822 healthy ...
What factors determine a "suspicious" person versus a "threat" has become a hotly debated topic in the wake of the assassination attempt on former President Donald Trump. Acting Secret Service ...
The theory of evolution has wide-ranging implications on personality psychology. Personality viewed through the lens of evolutionary biology places a great deal of emphasis on specific traits that are most likely to aid in survival and reproduction, such as conscientiousness, sociability, emotional stability, and dominance. [54]