期刊
NEUROSCIENCE LETTERS
卷 561, 期 -, 页码 96-100出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2013.12.029
关键词
Schizophrenia; Pseudoneglect; Oddball task
资金
- Neuroscience Research Center, Kerman University of Medical Sciences
Studies have reported an altered expression of pseudoneglect in patients with schizophrenia, but no study has examined pseudoneglect in schizophrenia at the neural level. We investigated pseudoneglect using the visual P3 event-related potential and the mental number bisection (MNB) task in 21 patients and 25 controls. Using an oddball task, participants were asked to discriminate an infrequent ('one' or 'nine') from a frequent written number ('five'). The P3 ERP components were delayed to the targets on the right of the MNL ('nine') compared to the targets on the left ('one') in controls. The effect of number magnitude on the P3 latency was not observed in the patients. In MNB task, the patients did not show the normal leftward bias observed in healthy individuals. Our findings indicate a lack of pseudoneglect and the presence of an anomalous brain asymmetry in schizophrenia. (C) 2013 Elsevier Ireland Ltd. All rights reserved.
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