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Increased positive thought disorder with illness duration in patients with schizophrenia

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journal contribution
posted on 01.12.2007, 00:00 authored by K Maeda, K Kasai, M Uetsuki, A Hata, T Araki, Mark RogersMark Rogers, H Yamasue, A Iwanami
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.

History

Journal

Psychiatry and clinical neurosciences

Volume

61

Issue

6

Pagination

687 - 690

Publisher

Wiley - Blackwell Publishing Asia

Location

Richmond, Vic.

ISSN

1323-1316

eISSN

1440-1819

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2007, The Authors