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  Emotional words facilitate lexical but not early visual processing

Trauer, S. M., Kotz, S. A., & Müller, M. M. (2015). Emotional words facilitate lexical but not early visual processing. BMC Neuroscience, 16: 89. doi:10.1186/s12868-015-0225-8.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-7DFB-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-77B3-D
Genre: Journal Article

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 Creators:
Trauer, Sophie M.1, Author
Kotz, Sonja A.2, 3, Author              
Müller, Matthias M.1, Author
Affiliations:
1Institute of Psychology, University of Leipzig, Germany, ou_persistent22              
2Department of Neuropsychology and Psychopharmacology, Maastricht University, the Netherlands, ou_persistent22              
3Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              

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Free keywords: Emotion; Language; Visual attention; SSVEP; ERP; LDT
 Abstract: Background Emotional scenes and faces have shown to capture and bind visual resources at early sensory processing stages, i.e. in early visual cortex. However, emotional words have led to mixed results. In the current study ERPs were assessed simultaneously with steady-state visual evoked potentials (SSVEPs) to measure attention effects on early visual activity in emotional word processing. Neutral and negative words were flickered at 12.14 Hz whilst participants performed a Lexical Decision Task. Results Emotional word content did not modulate the 12.14 Hz SSVEP amplitude, neither did word lexicality. However, emotional words affected the ERP. Negative compared to neutral words as well as words compared to pseudowords lead to enhanced deflections in the P2 time range indicative of lexico-semantic access. The N400 was reduced for negative compared to neutral words and enhanced for pseudowords compared to words indicating facilitated semantic processing of emotional words. LPC amplitudes reflected word lexicality and thus the task-relevant response. Conclusion In line with previous ERP and imaging evidence, the present results indicate that written emotional words are facilitated in processing only subsequent to visual analysis.

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Language(s): eng - English
 Dates: 2015-06-042015-11-242015-12-12
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1186/s12868-015-0225-8
PMID: 26654384
PMC: PMC4676879
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Title: BMC Neuroscience
Source Genre: Journal
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Publ. Info: BioMed Central
Pages: - Volume / Issue: 16 Sequence Number: 89 Start / End Page: - Identifier: ISSN: 1471-2202
CoNE: /journals/resource/111000136905018