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  Prediction errors in self- and externally-generated deviants

Knolle, F., Schröger, E., & Kotz, S. A. (2013). Prediction errors in self- and externally-generated deviants. Biological Psychology, 92(2), 410-416. doi:10.1016/j.biopsycho.2012.11.017.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-3CA6-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-84DB-1
Genre: Journal Article

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 Creators:
Knolle, Franziska1, Author              
Schröger, Erich2, Author
Kotz, Sonja A.1, Author              
Affiliations:
1Research Group "Subcortical Contributions to Comprehension", MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634548              
2Institute of Psychology, Leipzig University, ou_persistent22              

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Free keywords: Prediction; Forward model; Prediction error; Self-generated and externally-generated sounds
 Abstract: Sounds generated by one's own action elicit attenuated brain responses compared to brain responses to identical sounds that are externally-generated. The present study tested whether the suppression effect indexed by the N1- and P2-components of the event-related potential (ERP) is larger when self-generated sounds are correctly predicted than when they are not. Furthermore, sounds violating a prediction lead to a particular prediction error signal (i.e., N2b, P3a). Thus, we tested whether these error signals increase for self-generated sounds (i.e., enhanced N2b, P3a). We compared ERPs elicited by self- and externally-generated sounds that were of frequent standard and of infrequent deviant pitch. The results confirmed an N1- and P2-suppression effect elicited by self-generated standard sounds. The N1-suppression was smaller in response to self-initiated deviant sounds, indicating the specificity of predictions for self-generated sounds. In addition, an enhancement of N2b and P3a for self-generated deviants revealed the saliency of prediction error signals.

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Language(s): eng - English
 Dates: 2012-03-302012-11-222012-12-132013-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.biopsycho.2012.11.017
PMID: 23246535
Other: Epub 2012
 Degree: -

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Title: Biological Psychology
  Other : Biol. Psychol.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: 6 Volume / Issue: 92 (2) Sequence Number: - Start / End Page: 410 - 416 Identifier: ISSN: 0301-0511
CoNE: https://pure.mpg.de/cone/journals/resource/954925509377