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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, also known as de Clérambault's syndrome, [1] is a relatively uncommon paranoid condition that is characterized by an individual's delusions of another person being infatuated with them. [2] It is listed in the DSM-5 as a subtype of a delusional disorder. [3] Commonly, the onset of erotomania is sudden, and the course is chronic. [4]
The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) enumerates eleven types of delusions. The International Classification of Diseases (ICD-11) defines fifteen types of delusions; both include persecutory delusion. They state that persecutory type is a common delusion that includes the belief that the person or someone close to ...
A thought disorder (TD) is a disturbance in cognition which affects language, thought and communication. [1] [2] Psychiatric and psychological glossaries in 2015 and 2017 identified thought disorders as encompassing poverty of ideas, paralogia (a reasoning disorder characterized by expression of illogical or delusional thoughts), word salad, and delusions—all disturbances of thought content ...
[5] [6] [7] However, similar delusional beliefs, often singularly or more rarely reported, are sometimes also considered to be part of the delusional misidentification syndrome. For example: Mirrored-self misidentification is the belief that one's reflection in a mirror is some other person.
Trichotillomania (hair-pulling disorder) moved from "impulse-control disorders not elsewhere classified" in DSM-IV, to an obsessive-compulsive disorder in DSM-5. [ 11 ] A specifier was expanded (and added to body dysmorphic disorder and hoarding disorder) to allow for good or fair insight, poor insight, and "absent insight/delusional" (i.e ...
A delusion [a] is a false 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 parasitosis is diagnosed when: 1) the delusion is the only symptom of psychosis, 2) the delusion has lasted a month or longer, 3) the person's behavior is otherwise not markedly odd or impaired, 4) mood disorders (if present at any time) have been comparatively brief, and 5) the delusion cannot be better explained by another medical ...