All about Foreign Accent Syndrome
Jack Ryalls, Nick Miller in Foreign Accent Syndromes, 2014
A further possibility that is well attested in other quarters relates to circumstances where individuals share a symptom or beliefs concerning their symptoms. Through identifying with each other they develop behaviours to the detriment, rather than benefit, of the resolution of their symptoms. This can encompass instances where someone who was previously symptomless (at least as regards sounding foreign) now, for one reason or another, identifies with people who do show FAS and they themselves commence speaking with a foreign accent. It may entail a person with FAS where there is or was every prospect for resolution of symptoms (e.g. recovery from the neurological condition that caused the speech changes; insight into and self-management of a depressive disorder that should have resulted in recovery) but where identification with or unconscious obligation to an unrecovered speaker results in persistence of symptoms. In other words, the contact becomes a vehicle for the instigation or maintenance of the behaviour in question when the original neurological or structural trigger has long since resolved. Contact may hamper rather than assist resolution, or even result in the elaboration of the symptom and extension of the individual’s or group’s delusional beliefs around the origins and nature of the behaviour. This is somewhat akin to the phenomenon first described in the nineteenth century of folie à deux, or à trois or à plusieurs, or, as sometimes more recently termed, ‘shared psychotic disorder’ or ‘induced delusional disorder’ or ‘mass psychogenic illness outbreaks’.
Heterocyclic Drugs from Plants
Rohit Dutt, Anil K. Sharma, Raj K. Keservani, Vandana Garg in Promising Drug Molecules of Natural Origin, 2020
Psychotic disorders are varying illnesses which affect the mind and cause mental disorders. These disorders cause abnormal thinking and perceptions. Psychosis is a mental disorder of feeling disconnected from reality (Early Psychosis and Psychosis, 2018). They make it hard to know what’s real and what isn’t. While the experience for everyone is different, many people say that psychosis is frightening and confusing. In general, “psychotic disorders” indicate schizophrenia, schizoaffective disorder, schizophreniform disorder, brief psychotic disorder, delusional disorder, shared psychotic disorder, etc.
Signs and Symptoms in Psychiatry
Mohamed Ahmed Abd El-Hay in Essentials of Psychiatric Assessment, 2018
The presence of delusions demonstrates the presence of a psychotic illness but does not necessarily distinguish the underlying disorder. Delusions may be a feature of any of the following mental disorders: (1) Psychotic disorders: schizophrenia, schizoaffective disorder, delusional disorder, schizophreniform disorder, shared psychotic disorder, brief psychotic disorder, and substance-induced psychotic disorder, (2) Bipolar disorder, (3) Major depressive disorder with psychotic features (4) Delirium, and (5) Dementia (Kiran & Chaudhury, 2009).
‘Come share my world’ of ‘madness’: a systematic review of clinical, diagnostic and therapeutic aspects of folie à deux
Published in International Review of Psychiatry, 2020
Giulia Menculini, Pierfrancesco Maria Balducci, Patrizia Moretti, Alfonso Tortorella
Noteworthy, a high rate of comorbid psychopathology was evidenced in the secondaries and does not account for the definition of a delusional disorder transmitted to a healthy individual. In this context exposure to the primary could act as a psychosocial trigger for a ‘transient psychotic phenomenon’ in a subject who would have developed a psychotic episode in any case. The possibility of psychiatric comorbidity should be reconsidered in illness criteria, since it is absent in the original description (Patel et al., 2004). The broadening of criteria for defining shared psychotic disorder is also suggested by a certain variability in the diagnosis of the primary, with described cases of mood disorders as the main illness of inducers in several reports (Arnone et al., 2006; Kraya & Patrick, 1997; Vigo et al., 2019).
Cannabis use in delusional infestation with folie à deux
Published in Journal of Substance Use, 2021
Jason S. Lee, Erin Dean, Xavier F. Jimenez
Delusional infestation (DI) is a disorder in which individuals believe that their skin or body is infested with parasites, insects, or other pathogens when no such infestation is present. Previous studies show that substance use is common in individuals with DI (Freudenmann & Lepping, 2009), but few have investigated which drugs of abuse are most often associated with the development of DI. This condition may also occur with folie à deux, or shared psychotic disorder, at rates higher than previously acknowledged.
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