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Electrophysiological correlates of hypothesis evaluation: Revealed with a modified Wason's selection task
Xueli Cai1,2; Fuhong Li1,2; Yifeng Wang1,2; Todd Jackson1,2; Jie Chen1,2; Lili Zhang1,2; Hong Li1,2
2011-08-23
Source PublicationBrain Research
ISSN0006-8993
Volume1408Pages:17-26
Abstract

A modified Wason's selection task was used to explore brain correlates of hypothesis evaluation, a core process of hypothesis testing. Twenty-two undergraduate participants (11 males, 11 females) were provided with a proposition (hypothesis) and a card. They were asked to evaluate whether the card verified or falsified the given proposition while event related potentials (ERP) were measured. Behavioral results showed that participants required less time to make correct responses in verification conditions than in falsification conditions. The ERPs time-locked to the second side of each card showed that (1) smaller amplitudes of P2 were elicited in backward falsification than in backward verification, which reflected a lower intensity of perception; (2) a profound negative deflection was found in falsification conditions compared to verification conditions during the N2 time window, which implied the processing of conflicting information; (3) in comparison to verification conditions, falsification conditions evoked a decreased P3 component, which was linked to the process of hypothesis evaluation; and (4) a late positive component (400-600 ms) was only triggered in the forward falsification condition, reflecting the manipulation of cognitive context. 

KeywordHypothesis Evaluation Lpc N2 P3 Wason's Selection Task
DOIhttps://doi.org/10.1016/j.brainres.2011.06.056
URLView the original
Indexed BySSCI
Language英语
WOS Research AreaNeurosciences & Neurology
WOS SubjectNeurosciences
WOS IDWOS:000294594700003
PublisherELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
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被引频次[WOS]:5   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题DEPARTMENT OF PSYCHOLOGY
Corresponding AuthorFuhong Li; Hong Li
Affiliation1.School of Psychology, Southwest University, Chongqing, 400715, China
2.Key Laboratory of Cognition and Personality (SWU), Ministry of Education, China
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Xueli Cai,Fuhong Li,Yifeng Wang,et al. Electrophysiological correlates of hypothesis evaluation: Revealed with a modified Wason's selection task[J]. Brain Research,2011,1408:17-26.
APA Xueli Cai.,Fuhong Li.,Yifeng Wang.,Todd Jackson.,Jie Chen.,...&Hong Li.(2011).Electrophysiological correlates of hypothesis evaluation: Revealed with a modified Wason's selection task.Brain Research,1408,17-26.
MLA Xueli Cai,et al."Electrophysiological correlates of hypothesis evaluation: Revealed with a modified Wason's selection task".Brain Research 1408(2011):17-26.
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