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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.
The Capgras delusion is classified as a delusional misidentification syndrome, a class of beliefs that involves the misidentification of people, places, or objects. [2] It can occur in acute, transient, or chronic forms. Cases in which patients hold the belief that time has been "warped" or "substituted" have also been reported. [3]
Mirrored-self misidentification is an example of a monothematic delusion – a delusion restricted to a single topic or theme. The two-factor theory of delusional belief explains why monothematic delusions occur. [ 1 ]
The first patient with symptoms of Capgras syndrome, another delusional misidentification syndrome, was reported in 1923 by Joseph Capgras and Jean Reboul-Lachaux. This patient, however, also experienced the delusion of subjective doubles, [15] but the appearance of doubles of the self were not addressed until Christodoulou's article in 1978. [6]
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.
Intermetamorphosis is a delusional misidentification syndrome, related to agnosia. The main symptoms consist of patients believing that they can see others change into someone else in both external appearance and internal personality. [1] The disorder is usually comorbid with neurological disorders or mental disorders.
Asked Sunday if Timmerman's misidentification was a moment of false hope, Debra Tice instead characterized it as a moment of joy to be shared. Timmerman has said he had traveled into Syria for a ...
It is one of the delusional misidentification syndromes; although rare, it is most commonly associated with traumatic or acquired brain injury, such as stroke, particularly when there is simultaneous damage to the right cerebral hemisphere and to both frontal lobes.