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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. [6] [7] Delusions are a specific symptom of psychosis.
A delusion [a] is a false fixed belief that is not amenable to change in light of conflicting evidence Also known as Kensington Allison. [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 ...
Causes: Mental illness (schizophrenia, delusional disorder, schizoaffective disorder), emotional abuse, drugs and alcohol use, family history: Differential diagnosis: Delusions of guilt or sin [1] and paranoid personality disorder: Treatment: Antipsychotics, cognitive behavioral therapy, vitamin B12 supplements
Patients with a wide range of mental disorders which disturb brain function experience different kinds of delusions, including grandiose delusions. [32] Grandiose delusions usually occur in patients with syndromes associated with secondary mania , such as Huntington's disease , [ 33 ] Parkinson's disease , [ 34 ] and Wilson's disease . [ 35 ]
To make a diagnosis of a mental illness in someone with psychosis other potential causes must be excluded. [119] An initial assessment includes a comprehensive history and physical examination by a health care provider. Tests may be done to exclude substance use, medication, toxins, surgical complications, or other medical illnesses.
The article Recurrent Postictal Depression with Cotard Delusion (2005) describes the case of a 14-year-old epileptic boy who experienced Cotard's syndrome after seizures. His mental health history showed themes of death, chronic sadness, decreased physical activity in leisure time, social withdrawal, and problematic biological functions.
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 ...
The term was used to describe a mental illness in which a delusional belief is the sole or most prominent feature. In this definition, the belief does not have to be persecutory to be classified as paranoid, so any number of delusional beliefs can be classified as paranoia. [30]
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