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Temporal perception deficits in schizophrenia: integration is the problem, not deployment of attentions
Su, Li1,2; Wyble, Brad3; Zhou, Lai-quan2,4; Wang, Kui2; Wang, Yu-na2; Cheung, Eric F. C.5; Bowman, Howard6,7; Chan, Raymond C. K.2
2015-05-05
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
文章类型Article
卷号5期号:0页码:9745
摘要Patients with schizophrenia are known to have impairments in sensory processing. In order to understand the specific temporal perception deficits of schizophrenia, we investigated and determined to what extent impairments in temporal integration can be dissociated from attention deployment using Attentional Blink (AB). Our findings showed that there was no evident deficit in the deployment of attention in patients with schizophrenia. However, patients showed an increased temporal integration deficit within a hundred-millisecond timescale. The degree of such integration dysfunction was correlated with the clinical manifestations of schizophrenia. There was no difference between individuals with/without schizotypal personality disorder in temporal integration. Differently from previous studies using the AB, we did not find a significant impairment in deployment of attention in schizophrenia. Instead, we used both theoretical and empirical approaches to show that previous findings (using the suppression ratio to correct for the baseline difference) produced a systematic exaggeration of the attention deficits. Instead, we modulated the perceptual difficulty of the task to bring the baseline levels of target detection between the groups into closer alignment. We found that the integration dysfunction rather than deployment of attention is clinically relevant, and thus should be an additional focus of research in schizophrenia.
收录类别SCI
语种英语
WOS记录号WOS:000353904100001
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13529
专题中国科学院心理健康重点实验室
作者单位1.Univ Cambridge, Dept Psychiat, Cambridge, England
2.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Neuropsychol & Appl Cognit Neurosci Lab, Beijing, Peoples R China
3.Penn State Univ, Dept Psychol, University Pk, PA 16802 USA
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.Castle Peak Hosp, Hong Kong, Hong Kong, Peoples R China
6.Univ Kent, Sch Comp, Canterbury, Kent, England
7.Univ Birmingham, Sch Psychol, Birmingham B15 2TT, W Midlands, England
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Su, Li,Wyble, Brad,Zhou, Lai-quan,et al. Temporal perception deficits in schizophrenia: integration is the problem, not deployment of attentions[J]. SCIENTIFIC REPORTS,2015,5(0):9745.
APA Su, Li.,Wyble, Brad.,Zhou, Lai-quan.,Wang, Kui.,Wang, Yu-na.,...&Chan, Raymond C. K..(2015).Temporal perception deficits in schizophrenia: integration is the problem, not deployment of attentions.SCIENTIFIC REPORTS,5(0),9745.
MLA Su, Li,et al."Temporal perception deficits in schizophrenia: integration is the problem, not deployment of attentions".SCIENTIFIC REPORTS 5.0(2015):9745.
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