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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 Symptom Checklist-90-R (SCL-90-R) is a relatively brief self-report psychometric instrument (questionnaire) published by the Clinical Assessment division of the Pearson Assessment & Information group. It is designed to evaluate a broad range of psychological problems and symptoms of psychopathology.
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".
A study from the National Library of Medicine found forms of dementia that affect mental health and behavior — such as Lewy body dementia — may cause paranoia in earlier stages.
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Paranoid symptoms were associated with an attitude of mistrust and an external locus of control. Citing research showing that women and those with lower socioeconomic status are more prone to locating locus of control externally, the researchers suggested that women may be especially affected by the effects of socioeconomic status on paranoia.
This is a list of mental disorders as defined in the DSM-IV, the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders.Published by the American Psychiatry Association (APA), it was released in May 1994, [1] superseding the DSM-III-R (1987).
297.2 Paraphrenia (Include: involutional paranoid state, late paraphrenia) 297.3 Induced psychosis; 297.8 Other specified paranoid states (Include: Paranoia querulans, Sensitiver Beziehungswahn) 297.9 Unspecified paranoid state (Paranoid: psychosis NOS/reaction NOS/state NOS) 298 Other nonorganic psychoses. 298.0 Depressive type psychosis