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The recognition potential: Semantic processing or the detection of differences between stimuli?
Pu, J; Peng, DL; Demaree, HA; Song, Y; Wei, JH; Xu, L; D. L. Peng
2005-09-01
Source PublicationCOGNITIVE BRAIN RESEARCH
ISSN0926-6410
SubtypeArticle
Volume25Issue:1Pages:273-282
AbstractThe recognition potential is traditionally described as an electrical index elicited when subjects view a recognizable stimulus. Recent studies further show that it may be influenced by semantic processing. In this study, we investigated whether this observed influence is really produced by differences in semantic processing or whether it might be caused by the detection of differences between sequentially presented stimuli. In two different experiments, we systematically altered the type of background images presented while keeping the recognizable word constant. Analyses revealed that the same recognizable words elicited an RP with different amplitudes and latencies when viewed under different background conditions. Control stimuli, which were identical to background stimuli, did not elicit the RP. Hence, we postulate that when using the rapid stream stimulation paradigm, RP might also be influenced by the detection of differences between sequentially input stimuli. It is necessary to clarify whether RP changes are caused by the processing of the stimuli or by the detection of difference between successively input stimuli before any conclusion could be made.; The recognition potential is traditionally described as an electrical index elicited when subjects view a recognizable stimulus. Recent studies further show that it may be influenced by semantic processing. In this study, we investigated whether this observed influence is really produced by differences in semantic processing or whether it might be caused by the detection of differences between sequentially presented stimuli. In two different experiments, we systematically altered the type of background images presented while keeping the recognizable word constant. Analyses revealed that the same recognizable words elicited an RP with different amplitudes and latencies when viewed under different background conditions. Control stimuli, which were identical to background stimuli, did not elicit the RP. Hence, we postulate that when using the rapid stream stimulation paradigm, RP might also be influenced by the detection of differences between sequentially input stimuli. It is necessary to clarify whether RP changes are caused by the processing of the stimuli or by the detection of difference between successively input stimuli before any conclusion could be made. (c) 2005 Elsevier B.V All rights reserved.
Keywordrecognition potential semantic processing detection of difference Chinese visual stimuli event-related potential
Subject Area认知心理学
Indexed BySCI ; SSCI
Language英语
WOS IDWOS:000232709600026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5787
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorD. L. Peng
Affiliation1.Beijing Normal Univ, Inst Cognit Neurosci & Learning, Beijing 100875, Peoples R China
2.Case Western Reserve Univ, Cleveland, OH 44106 USA
3.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Pu, J,Peng, DL,Demaree, HA,et al. The recognition potential: Semantic processing or the detection of differences between stimuli?[J]. COGNITIVE BRAIN RESEARCH,2005,25(1):273-282.
APA Pu, J.,Peng, DL.,Demaree, HA.,Song, Y.,Wei, JH.,...&D. L. Peng.(2005).The recognition potential: Semantic processing or the detection of differences between stimuli?.COGNITIVE BRAIN RESEARCH,25(1),273-282.
MLA Pu, J,et al."The recognition potential: Semantic processing or the detection of differences between stimuli?".COGNITIVE BRAIN RESEARCH 25.1(2005):273-282.
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