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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 delusions do not interfere with general logical reasoning (although within the delusional system the logic is perverted) and there is usually no general disturbance of behavior. If disturbed behavior does occur, it is directly related to the delusional beliefs. The individual experiences a heightened sense of self-reference.
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.
Stimulant psychosis is a mental disorder characterized by psychotic symptoms such as hallucinations, paranoid ideation, delusions, disorganized thinking, and grossly disorganized behaviour. It typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant therapy ...
Some people do recover completely and others function well in society. [238] Most people with schizophrenia live independently with community support. [27] About 85% are unemployed. [7] In people with a first episode of psychosis in schizophrenia a good long-term outcome occurs in 31%, an intermediate outcome in 42% and a poor outcome in 31%. [239]
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Idealization by Edvard Munch (1903), who is presumed to have had borderline personality disorder [6] [7]: Specialty: Psychiatry, clinical psychology: Symptoms: Unstable relationships, distorted sense of self, and intense emotions; impulsivity; recurrent suicidal and self-harming behavior; fear of abandonment; chronic feelings of emptiness; inappropriate anger; dissociation [8] [9]
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".