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Increased positive thought disorder with illness duration in patients with schizophrenia

Maeda, Keiko, Kasai, Kiyoto, Uetsuki, Miki, Hata, Akinobu, Araki, Tsuyoshi, Rogers, Mark A., Yamasue, Hidenori and Iwanami, Akira 2007, Increased positive thought disorder with illness duration in patients with schizophrenia, Psychiatry and clinical neurosciences, vol. 61, no. 6, pp. 687-690, doi: 10.1111/j.1440-1819.2007.01730.x.

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Title Increased positive thought disorder with illness duration in patients with schizophrenia
Author(s) Maeda, Keiko
Kasai, Kiyoto
Uetsuki, Miki
Hata, Akinobu
Araki, Tsuyoshi
Rogers, Mark A.
Yamasue, Hidenori
Iwanami, Akira
Journal name Psychiatry and clinical neurosciences
Volume number 61
Issue number 6
Start page 687
End page 690
Total pages 4
Publisher Wiley - Blackwell Publishing Asia
Place of publication Richmond, Vic.
Publication date 2007-12
ISSN 1323-1316
1440-1819
Keyword(s) cognitive
neuropsychological
progressive
schizophrenia
thought disorder
Summary It is unclear whether the severity of positive formal thought disorder, a core clinical feature of schizophrenia, is stable or worsening through the chronic course of the illness. The neurocognitive basis for positive thought disorder also remains unclear. The aim of the present paper was to examine the relationship between thought disorder as measured by the Thought Disorder Index (TDI) and duration of illness and neuropsychological indices in 79 patients with schizophrenia. TDI scores increased in proportion to illness duration. TDI scores were not associated with verbal memory or executive functioning. These results indicate an ongoing worsening of positive thought disorder through the course of illness in schizophrenia.
Language eng
DOI 10.1111/j.1440-1819.2007.01730.x
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047402

Document type: Journal Article
Collection: School of Psychology
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