Detecting Novelty and Significance
Studies of cognition often use an “oddball” paradigm to study effects of stimulus novelty and significance on information processing. However, an oddball tends to be perceptually more novel than the standard, repeated stimulus as well as more relevant to the ongoing task, making it difficult to dise...
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| Veröffentlicht in: | Journal of cognitive neuroscience 2010-02, Vol.22 (2), p.404-411 |
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| container_title | Journal of cognitive neuroscience |
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| creator | Ferrari, Vera Bradley, Margaret M. Codispoti, Maurizio Lang, Peter J. |
| description | Studies of cognition often use an “oddball” paradigm to study effects of stimulus novelty and significance on information processing. However, an oddball tends to be perceptually more novel than the standard, repeated stimulus as well as more relevant to the ongoing task, making it difficult to disentangle effects due to perceptual novelty and stimulus significance. In the current study, effects of perceptual novelty and significance on ERPs were assessed in a passive viewing context by presenting repeated and novel pictures (natural scenes) that either signaled significant information regarding the current context or not. A fronto-central N2 component was primarily affected by perceptual novelty, whereas a centro-parietal P3 component was modulated by both stimulus significance and novelty. The data support an interpretation that the N2 reflects perceptual fluency and is attenuated when a current stimulus matches an active memory representation and that the amplitude of the P3 reflects stimulus meaning and significance. |
| doi_str_mv | 10.1162/jocn.2009.21244 |
| format | Article |
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Bradley, Margaret M. ; Codispoti, Maurizio ; Lang, Peter J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c546t-da659fcac691d6ce5b490c39a56a218c162165ed86b01c4b118355a71d4385a73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Analysis of Variance</topic><topic>Brain - anatomy & histology</topic><topic>Brain - physiology</topic><topic>Brain Mapping</topic><topic>Cognition & reasoning</topic><topic>Effects</topic><topic>Electroencephalography - methods</topic><topic>Evoked Potentials, Visual - physiology</topic><topic>Exploratory Behavior - physiology</topic><topic>Female</topic><topic>Humans</topic><topic>Information processing</topic><topic>Male</topic><topic>Neurosciences</topic><topic>Pattern Recognition, Visual - physiology</topic><topic>Photic Stimulation - methods</topic><topic>Reaction Time - physiology</topic><topic>Signal Detection, Psychological - physiology</topic><topic>Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferrari, Vera</creatorcontrib><creatorcontrib>Bradley, Margaret M.</creatorcontrib><creatorcontrib>Codispoti, Maurizio</creatorcontrib><creatorcontrib>Lang, Peter J.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Journal of cognitive neuroscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ferrari, Vera</au><au>Bradley, Margaret M.</au><au>Codispoti, Maurizio</au><au>Lang, Peter J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detecting Novelty and Significance</atitle><jtitle>Journal of cognitive neuroscience</jtitle><addtitle>J Cogn Neurosci</addtitle><date>2010-02-01</date><risdate>2010</risdate><volume>22</volume><issue>2</issue><spage>404</spage><epage>411</epage><pages>404-411</pages><issn>0898-929X</issn><eissn>1530-8898</eissn><abstract>Studies of cognition often use an “oddball” paradigm to study effects of stimulus novelty and significance on information processing. 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| ispartof | Journal of cognitive neuroscience, 2010-02, Vol.22 (2), p.404-411 |
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| subjects | Analysis of Variance Brain - anatomy & histology Brain - physiology Brain Mapping Cognition & reasoning Effects Electroencephalography - methods Evoked Potentials, Visual - physiology Exploratory Behavior - physiology Female Humans Information processing Male Neurosciences Pattern Recognition, Visual - physiology Photic Stimulation - methods Reaction Time - physiology Signal Detection, Psychological - physiology Studies |
| title | Detecting Novelty and Significance |
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