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  Detection of early cognitive processing by event-related phase synchronization analysis

Allefeld, C., Frisch, S., & Schlesewsky, M. (2005). Detection of early cognitive processing by event-related phase synchronization analysis. NeuroReport, 16(1), 13-16.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-A949-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-2719-7
Genre: Journal Article

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allefeld.pdf (Publisher version), 170KB
 
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 Creators:
Allefeld, C., Author
Frisch, Stefan1, Author              
Schlesewsky, Matthias, Author
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              

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Free keywords: Alpha; Coherence; Color change; N400; P300; Phase synchronization; Semantic incongruity; Theta
 Abstract: In order to investigate the temporal characteristics of cognitive processing, we apply multivariate phase synchronization analysis to event-related potentials. The experimental design combines a semantic incongruity in a sentence context with a physical mismatch (color change). In the ERP average, these result in an N400 component and a P300-like positivity, respectively. Synchronization analysis shows an effect of global desynchronization in the theta band around 288 ms after stimulus presentation for the semantic incongruity, while the physical mismatch elicits an increase of global synchronization in the alpha band around 204 ms. Both of these effects clearly precede those in the ERP average. Moreover, the delay between synchronization effect and ERP component correlates with the complexity of the cognitive processes.

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Language(s): eng - English
 Dates: 2005
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 238964
Other: P6531
 Degree: -

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Title: NeuroReport
Source Genre: Journal
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Publ. Info: Oxford, UK : Rapid Communications of Oxford Ltd.
Pages: - Volume / Issue: 16 (1) Sequence Number: - Start / End Page: 13 - 16 Identifier: ISSN: 0959-4965
CoNE: https://pure.mpg.de/cone/journals/resource/954925578070