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  2. Paranoia - Wikipedia

    en.wikipedia.org/wiki/Paranoia

    Paranoia is an instinct or thought process that is believed to be heavily influenced by anxiety, suspicion, or fear, often to the point of delusion and irrationality. [1] Paranoid thinking typically includes persecutory beliefs, or beliefs of conspiracy concerning a perceived threat towards oneself (i.e., "Everyone is out to get me").

  3. Delusional disorder - Wikipedia

    en.wikipedia.org/wiki/Delusional_disorder

    Delusional insanity, [1] paranoia [citation needed] Painting by Théodore Géricault portraying an old man with a grandiose delusion of power and military command. Grandiose delusions are common in delusional disorder. Specialty: Psychiatry, clinical psychology Symptoms: Strong false belief(s) despite superior evidence to the contrary: Usual onset

  4. Paranoid personality disorder - Wikipedia

    en.wikipedia.org/wiki/Paranoid_personality_disorder

    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.

  5. Persecutory delusion - Wikipedia

    en.wikipedia.org/wiki/Persecutory_delusion

    In urban environments, going outside leads people with this delusion to have a major increases in levels of paranoia, anxiety, depression and lower self-esteem. [3] People with this delusion often live a more inactive life and are at a higher risk of developing high blood pressure, diabetes and heart disease, having a lifespan 14.5 years less ...

  6. Stimulant psychosis - Wikipedia

    en.wikipedia.org/wiki/Stimulant_psychosis

    Stimulant psychosis is a mental disorder characterized by psychotic symptoms (such as hallucinations, paranoid ideation, delusions, disorganized thinking, grossly disorganized behaviour). It involves and typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant ...

  7. Paraphrenia - Wikipedia

    en.wikipedia.org/wiki/Paraphrenia

    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".

  8. Psychosis - Wikipedia

    en.wikipedia.org/wiki/Psychosis

    The PSQ (Psychosis Screening Questionnaire) is the most common tool in detecting psychotic symptoms and it includes five root questions that assess the presence of PLE (mania, thought insertion, paranoia, strange experiences and perceptual disturbances) [125] The different tools used to assess symptom severity include the Revised Behavior and ...

  9. Schizotypal personality disorder - Wikipedia

    en.wikipedia.org/wiki/Schizotypal_personality...

    Schizotypal personality disorder (StPD or SPD), also known as schizotypal disorder, is a cluster A personality disorder. [4] [5] The Diagnostic and Statistical Manual of Mental Disorders (DSM) describes the disorder specifically as a personality disorder characterized by thought disorder, paranoia, a characteristic form of social anxiety, derealization, transient psychosis, and unconventional ...