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  Effect of complete stimulus predictability on P3 and N2 components: an electroencephalographic study

von Carlowitz-Ghori, K. M. B., Hohlefeld, F. U., Bayraktaroglu, Z., Curio, G., & Nikulin, V. V. (2011). Effect of complete stimulus predictability on P3 and N2 components: an electroencephalographic study. NeuroReport, 22(9), 459-463. doi:10.1097/WNR.0b013e3283476bdb.

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von Carlowitz-Ghori, Katherina M. B., Autor
Hohlefeld, Friederike U., Autor
Bayraktaroglu, Zubeyir, Autor
Curio, Gabriel, Autor
Nikulin, Vadim V.1, Autor           
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: Electroencephalogram (EEG); Event-related potentials; Forward model; N2; P3; Predictability
 Zusammenfassung: In everyday life one may encounter both unpredictable and self-initiated, hence anticipated, events. Here, we analyzed the effects of self-initiated auditory stimulus presentation on P3 and N2 components in an oddball paradigm. If the stimulus sequence was fully self-determined, both components were attenuated in comparison with computer-controlled representation. In contrast, both components were increased when only the stimulus onset was self-initiated, yet the forthcoming stimulus type was unknown. We hypothesize that predictive forward models offer an unifying explanation for the modulation of both P3 and N2 through: (a) attenuation of neuronal responses to anticipated stimuli contingent on one's own motor action and (b) enhancement of responses in case of incongruity between an anticipated action effect and the actual perceptual consequences.

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Sprache(n): eng - English
 Datum: 2011-06-22
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1097/WNR.0b013e3283476bdb
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Titel: NeuroReport
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Oxford, UK : Rapid Communications of Oxford Ltd.
Seiten: - Band / Heft: 22 (9) Artikelnummer: - Start- / Endseite: 459 - 463 Identifikator: ISSN: 0959-4965
CoNE: https://pure.mpg.de/cone/journals/resource/954925578070