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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]
Erotomania – sexual desire or sexual attraction from strangers (delusional conviction) (eroto- (Greek) meaning sexual passion or desire) Etheromania – addiction to diethyl ether (ethero- (Greek > Latin) meaning upper air or sky) Eleutheromania – an intense and irresistible desire for freedom
The IASP broadens this definition to include psychogenic pain with the following points: Pain is always a personal experience that is influenced to varying degrees by biological, psychological, and social factors. Through their life experience, individuals learn the concept of pain. A person's report of an experience of pain should be respected ...
This condition is often seen in disorders like schizophrenia, schizoaffective disorder, delusional disorder, manic episodes of bipolar disorder, psychotic depression, and some personality disorders. [2] [3] Alongside delusional jealousy, persecutory delusion is the most common type of delusion in males and is a frequent symptom of psychosis.
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".
Folie à deux (French for 'madness of two'), [1] also called shared psychosis [3] or shared delusional disorder (SDD), is a rare psychiatric syndrome in which symptoms of a delusional belief [4] are "transmitted" from one individual to another.
A delusion [a] is a fixed belief that is not amenable to change in light of conflicting evidence. [2] As a pathology, it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence.
Delusional misidentification syndrome is an umbrella term, introduced by Christodoulou (in his book The Delusional Misidentification Syndromes, Karger, Basel, 1986) for a group of four delusional disorders that occur in the context of mental and neurological illness.