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What is a delusional disorder?
What is a delusion in psychology?
How does a delusional disorder develop?
Delusional disorder, traditionally synonymous with paranoia, is a mental illness in which a person has delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant flattening of affect. Delusions are a specific symptom of psychosis.
- Genetic and environmental
- Strong false belief(s) despite superior evidence to the contrary
- estimated 0.3% of general population
- 18–90 years old (mean of about age 40)
Delusional disorder is characterized by one or more firmly held false beliefs that persist for at least 1 month. The false beliefs may be ordinary things that could occur (such as being deceived by a spouse) or things unlikely to occur (such as having internal organs removed without leaving a scar).
- Carol Tamminga
Jun 6, 2022 · Delusional disorder is an illness characterized by at least 1 month of delusions but no other psychotic symptoms according to the American Psychiatric Association’s...
Sep 4, 2023 · Delusional disorder is a psychotic disorder whereby at least one delusion is maintained for a minimum of one month, without other symptoms of psychosis (such as visual or auditory...
Nov 28, 2023 · A delusion is a strongly-held or fixed false belief that conflicts with reality. The Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) defines delusions as fixed beliefs that are not amenable to change in light of conflicting evidence.
Apr 7, 2022 · Summary. Delusional disorder is a psychological disorder that involves experiencing delusions. These delusions are typically the strong belief in things that are untrue. Delusional disorder usually develops around middle-to-late adulthood. However, in some cases, it can develop earlier than that.
Delusional disorder is characterized by firmly held false beliefs (delusions) that persist for at least 1 month, without other symptoms of psychosis.
