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[1] [2] In some cases, delusions become so elaborate that a limb may be treated and cared for as if it were a separate being. [1] Somatoparaphrenia differs from a similar disorder, asomatognosia, which is characterized as loss of recognition of half of the body or a limb, possibly due to paralysis or unilateral neglect. [3]
Brief psychotic disorder—according to the classifications of mental disorders DSM-IV-TR and DSM-5—is a psychotic condition involving the sudden onset of at least one psychotic symptom (such as disorganized thought/speech, delusions, hallucinations, or grossly disorganized or catatonic behavior) lasting 1 day to 1 month, often accompanied by emotional turmoil.
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.
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".
People with psychotic depression experience the symptoms of a major depressive episode, along with one or more psychotic symptoms, including delusions and/or hallucinations. [2] Delusions can be classified as mood congruent or incongruent, depending on whether or not the nature of the delusions is in keeping with the individual's mood state. [2]
2. Absence, at any time, of any symptoms referred to in G1 in F20.0 - F20.3 [13] and of hallucinations or well formed delusions of any kind, i.e. the subject must never have met the criteria for any other type of schizophrenia, or any other psychotic disorder. 3. Absence of evidence of dementia or any other organic mental disorder.
291.1 Alcohol-induced persisting amnestic disorder; 291.x Alcohol-induced psychotic disorder.5 With delusions.3 With hallucinations; 291.89 Alcohol-induced mood disorder (coded 291.8 in the DSM-IV) 291.89 Alcohol-induced anxiety disorder (coded 291.8 in the DSM-IV) 291.89 Alcohol-induced sexual dysfunction (coded 291.8 in the DSM-IV)
Psychotic symptoms may be present in several other mental disorders, including bipolar disorder, [37] and borderline personality disorder. [38] Delusions ("non-bizarre") are also present in delusional disorder, and social withdrawal in social anxiety disorder, avoidant personality disorder and schizotypal personality disorder.