Formal Thought Disorders–Historical Roots

Autor: Joana Jerónimo, Tiago Queirós, Elie Cheniaux, Diogo Telles-Correia
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Frontiers in Psychiatry, Vol 9 (2018)
Druh dokumentu: article
ISSN: 1664-0640
DOI: 10.3389/fpsyt.2018.00572
Popis: In this article the authors intend to review in an intelligible and comprehensive way the historical roots of Formal Thought Disorders. Early descriptions of thought disorders date back to the XIX century with Esquirol, but it was in the first half of the XX century that several authors introduced the main features of the actual concept of Formal Thought Disorders. Emil Kraepelin described akataphasia (inability to find the appropriate expression for a thought) in patients with dementia praecox (a term that some years later was replaced by schizophrenia). Bleuler and Kretschmer also identified in schizophrenic patients a generalized “loosening of associations” and Carl Schneider described several Formal Thought Disorders such as derailment, fusion, omission, suspension and driveling. At the end of the XX century Nancy Andreasen studied the classical descriptions regarding Formal Thought Disorders, reclassified them and also introduced a scale to assess them. Although the specificity of these symptoms in schizophrenia and psychosis has been a source of controversy among the different authors, the importance given to their presence in these mental disorders is universal. We defend that it is crucial that these historical and conceptual elements are grasped in order to assess Formal Thought Disorders for clinical and research purposes.
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