Sustained attention in schizophrenia

by Wong, Ting-ting

Abstract (Summary)
(Uncorrected OCR) ABSTRACT I UK present study Investigated the sustained Htusitmn using n computet i/ed 1-7 tciMonorCnfitiiu?us IVtioituance I cm. hi ><> lirM-episoile schizophrenic patient**. ot whom M) were IWCtliCiiltOtHt n\ and compared their performance wirli n4 normal controls Patients wen tested twice, fust .? their admission. .mil second allei the acute symptoms haj bceu tfabili/fid to ex-imme how t ie .itkiutoiw! performance changed m the same patient o\ er tlw course nfa psychotic episode WV also included a lutlery of neuropsychological tests Hi examine tlicir attentuiiuil pcrftHmmcv*. ami nttaeoowivi variables were also explored;, EUsuUs viggestcd the niedieatioit-iiiinc last KplMKJc patients performed siimificmtk poorly than normals or: sustained .mention, anJ substantial neuEopNvehi'.osteal iticitnUff^s of executive function. vc-hal and visual memory it* well a* verbal fluency witli .ice iv-.ulct am' years oi education controlled I lie re-test fimlme--sugpesied :hat patients' ancnnunal pevlomiancc. specifically the omission errors improved ?ei the course nfilhico Correlation ? that UtlcntWiWl performance was neither correlated with positive nor negative symptoms, hut selectively with some cognitive domains. The procnec oi u-lmhIivc deficits lit mcdKitiori-uaive fiivl episode sclii/uplirvmc patients implied that voynitive dctkils were 'he central feature ol schizophrenia. which was present in the eorij course oi illness Alsti, die improvement show n in ationfional peitormuiiec after medication suy^CSted llta: ( might he a ?ediatin;j vulnerability indicator ol schizophrenia Its independence troin nsyninfonutlog) indicated that audition deficit was neither a secondary product ol psyrlKXtc >ymptoms nor due ui lack of motivation I he limitation ttftbt present study .mil directions for I til ore si;i(lks would cimdUdc the discission
Bibliographical Information:


School:The University of Hong Kong

School Location:China - Hong Kong SAR

Source Type:Master's Thesis

Keywords:schizophrenia physiological aspects


Date of Publication:01/01/2000

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