‘Clonal Pluralization of the Self’: A New Form of Delusional Misidentification Syndrome

  title={‘Clonal Pluralization of the Self’: A New Form of Delusional Misidentification Syndrome},
  author={Viktor V{\"o}r{\"o}s and Tam{\'a}s T{\'e}nyi and M{\'a}ria Simon and M{\'a}ty{\'a}s Trixler},
  pages={46 - 48}
The authors present a patient with paranoid schizophrenia, who has the delusion that he exists in plural numbers. The patient declares these doubles to be both psychologically and physically completely identical to him, and he believes ‘them’ to be in fact women. In connection with the case, the authors discuss the phenomena of reduplicative paramnesia and clonal pluralization, and they suggest introducing the psychopathological term ‘clonal pluralization of the self’ for the reported… 
Clonal Pluralization of Self, Relatives and Others
This report presents a patient with schizophrenia who believed in triplicate copies of herself and others, a new variant of misidentification syndrome.
Clonal pluralization, as an interpretative delusion after a hallucinatory form of autoscopy
A case of a patient with dementia, vascular type, where clonal plural plural- ization of the Self appeared as a secondary, interpretative delusion after a hallucinatory type of autoscopic experience is presented.
Delusional Misidentification Syndromes in Patients of Paranoid Schizophrenia: Case Series and Review
Five cases of Delusional Misidentification in the setting of paranoid schizophrenia, either as a single DMS or combination of various DMS, like Fregoli, Capgras, and Clonal pluralization are reported.
The delusional misidentification syndromes: Strange, fascinating, and instructive
It is proposed that the appearance of these syndromes must alert physicians to investigate the existence of possible organic contributions and it is suggested that hypoidentifications (Capgras’ syndrome) should be classified as hyperidentification (Frégoli syndrome).
Approaching Delusional Misidentification Syndromes as a Disorder of the Sense of Uniqueness
It is hypothesized that a common potential pathogenetic factor underlying DMS could be a disorder of the sense of uniqueness, and it is proposed that this disturbance could result in an unstable identification process, vulnerable to discrepancies in perceptual, emotional, or memory input caused by psychotic or organic mental states.
Are reduplicative paramnesia and clonal pluralization overlapping constructs?
A case of paranoid schizophrenia where the person believed in the existence of several copies of him as well as others and also claimed that the vegetation in the hospital was identical to that of his house is described.
Scheler, Phenomenology, and Psychopathology
This article discusses the relevance of Scheler’s overall philosophy to psychopathology, in particular its application to schizophrenia in general, to delusional misidentification, and to
Late Onset First Episode Psychosis Emerging as Delusional Misidentification of Familiar Sacred Places During a Holy Pilgrimage: A Case Report and Literature Review
This case report is the first to present a DMS, emerging as a late onset first episode psychosis during the sacred journey of Hajj, and highlights the importance of early recognition and treatment of mental health conditions that may appear de novo during the Hajj sacred journey.
Ictal delusion of sexual transformation
The Syndrome of Capgras
The delusional belief that a close relative has been replaced by a look-alike impostor was named the Capgras delusion in honor of Joseph Capgras, who described the first case. Capgras's original


What Is Meant by ‘Misidentification’ in Delusional Misidentification Syndromes?
The semantic structure of Capgras’ syndrome (CS) was analyzed within the framework of ‘the theory of reference’ of analytic philosophy to elucidate the concept of misidentification in delusional
The classification of delusional misidentification syndromes.
The delusional misidentification syndromes are characterized by a belief in duplicates and replacements and a neural substrate of altered connectivity of multimodal cortical association areas and paralimbic and limbic structures resulting in a cognitive-perceptual-affective dissonance is suggested.
The Delusional Misidentification Syndromes
The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication.
Delusional misidentification: a plea for an agreed terminology and classification.
Since the publication of the seminal paper by Capgras and Reboul-Lachaux more than a dozen varieties of delusional misidentification have been reported in the psychiatric and neurological literature.
A case of "subjective" Frégoli syndrome.
This work presents an unusual presentation of Frégoli syndrome in which a patient believed that copies of his own mind inhabited the bodies of others.
Illusions d'intermétamorphose et de charme
M. Capgras’s identification of the doubles syndrome, in psychiatric symptomatology, has brought attention to the delusion of false recognition of insane persons. Numerous observations have been
L'Illusion des 'sosies' dans un délire systématisé chronique
to the existence of a delusion or rather a strange interpretation, a sort of agnosia of individual identification: for about 10 years she has been transforming everyone in her entourage, even those
Self-duplication shifted in time: A particular form of delusional misidentification syndrome
A 16-year-old student who, after a severe brain injury, presented the delusion of a double who was I year younger than himself and with no physical impairment is reported, who presented a severe memory deficit, particularly in the verbal modality, uninhibited behaviour, decreased self awareness, difficulties in planning and impaired mental flexibility.
Anatomical and psychological mechanism of reduplicative misidentification syndromes
It is postulate that a focal right frontal lesion is not sufficient to cause Reduplicative misidentifications syndromes per se and suggests that paramnesic events held on reasonable ground, not being just a kind of confabulation.
Reduplicative paramnesia
The strong parallels in the etiology and course of the three cases justify the positing of a syndrome, here termed reduplicative paramnesia, and a neuropsychologic analysis of the disorder stresses the cognitive operations entailed in geographical localization and confabulation.