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A case is presented of a socially isolated married couple who developed a shared paranoid disorder preceded by their cannabis abuse with the wife initiating the delusions. After the couple were separated the wife feared that she would be killed and assaulted her child and mother. Delusions in the pair ceased quickly and a return to cohabitation did not result in relapse in the absence of cannabis abuse.
Reports of folie à famille are rare; this may be the first reported case involving a Vietnam veteran. Expression of his paranoid schizophrenia involved delusions and hallucinations relating to Vietnam, and his wife and children shared his paranoia. Typical of folie à famille were the dominant family member, the threat of violence, and the family's social isolation, frequent crises, and stable membership. Although the veteran's intrusive recollections of his Vietnam experience were typical of posttraumatic stress disorder, he acted on rather than avoided them. Treatment focused on the entire family, partly to minimize future problems in the children.
A case of shared-induced paranoid (psychotic) disorder (DSM III-R, 1987) between mother and son is presented. This disorder may be a more frequently occurring disorder than is generally recognised. It is suggested that more detailed family and social investigations be undertaken to unearth psychopathology in the social environment of the patient. In cases involving relatives, this may be another dimension to the genetic influence on mental illness. This is the first case reported in the West Indian medical literature.
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The definition and division of symbiontic psychoses (induced insanity, folieà deux,, psychosis of association) and their significance for the genesis of delusional developments are referred to at the beginning of the paper. After a presentation of environmental reactions on delusion, personality traits and mutual dependence in the predominance-subordination relationship of the partners of delusional symbioses are pointed out. The isolation of this symbiosis against the environment and its influence on this loneliness by twos are demonstrated. Besides the described suppositions, the primary delusion is essential for the pathodynamics of symbiontic psychoses because the delusional structure of the primary delusion, its compositional elements and especially the delusional motif are decisive for the transformation of a symbiosis which is still stable into a pathological we-formation. 5 case histories illustrate the pathodynamics of symbiontic psychoses.
A case of folie a deux is presented in which the child is the dominant psychotic partner and his mother is the passive partner in whom a paranoid psychosis is induced. The conditions under which folie a deux may occur, the diagnosis, and the treatment of the disorder are discussed.
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A case of folie à six is described in which the persecutory delusions of the central figure spread to her husband and their 2 sons, and even to her sister-in-law and a nephew. The main factor in the development of this shared paranoid disorder seems to have been the dominant personality of the inducer. In contrast to reports in the literature, there was no family history of such disorders and there were no adverse social or environmental circumstances.
Folie à deux (shared paranoid disorder) is misleadingly defined in DSM-III. It is not an illness in itself, but a phenomenon associated with delusional psychiatric illnesses. There are two main types of folie à deux. An updated nomenclature is proposed.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.