Publikation:

Emotion Processing in the Visual Brain : A MEG Analysis

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Publikationsliste_2008.pdf
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Datum

2008

Autor:innen

Peyk, Peter
Junghöfer, Markus

Herausgeber:innen

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ISBN

Bibliografische Daten

Verlag

Schriftenreihe

Auflagebezeichnung

URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-75829
DOI (zitierfähiger Link)
https://doi.org/10.1007/s10548-008-0052-7
ArXiv-ID

Internationale Patentnummer

Link zur Lizenz
Attribution-NonCommercial-NoDerivs 2.0 Generic

Angaben zur Forschungsförderung

Projekt

Open Access-Veröffentlichung
Open Access Green

Sammlungen

Psychologie: Publikationen
Core Facility der Universität Konstanz

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Titel in einer weiteren Sprache

Publikationstyp
Zeitschriftenartikel
Publikationsstatus
Published

Erschienen in

Brain topography. 2008, 20(4), pp. 205-215. Available under: doi: 10.1007/s10548-008-0052-7

Zusammenfassung

Recent functional magnetic resonance imaging (fMRI) and event-related brain potential (ERP) studies provide empirical support for the notion that emotional cues guide selective attention. Extending this line of research, whole head magneto-encephalogram (MEG) was measured while participants viewed in separate experimental blocks a continuous stream of either pleasant and neutral or unpleasant and neutral pictures, presented for 330 ms each. Event-related magnetic fields (ERF) were analyzed after intersubject sensor coregistration, complemented by minimum norm estimates (MNE) to explore neural generator sources. Both streams of analysis converge by demonstrating the selective emotion processing in an early (120 170 ms) and a late time interval (220 310 ms). ERF analysis revealed that the polarity of the emotion difference fields was reversed across early and late intervals suggesting distinct patterns of activation in the visual processing stream. Source analysis revealed the amplified processing of emotional pictures in visual processing areas with more pronounced occipito-parieto-temporal activation in the early time interval, and a stronger engagement of more anterior, temporal, regions in the later interval. Confirming previous ERP studies showing facilitated emotion processing, the present data suggest that MEG provides a complementary look at the spread of activation in the visual processing stream.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
150 Psychologie

Schlagwörter

Emotion, Attention, MEG, ERF, ERP, Early posterior negativity

Konferenz

Rezension
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ISO 690PEYK, Peter, Harald T. SCHUPP, Thomas ELBERT, Markus JUNGHÖFER, 2008. Emotion Processing in the Visual Brain : A MEG Analysis. In: Brain topography. 2008, 20(4), pp. 205-215. Available under: doi: 10.1007/s10548-008-0052-7
BibTex
@article{Peyk2008Emoti-10104,
  year={2008},
  doi={10.1007/s10548-008-0052-7},
  title={Emotion Processing in the Visual Brain : A MEG Analysis},
  number={4},
  volume={20},
  journal={Brain topography},
  pages={205--215},
  author={Peyk, Peter and Schupp, Harald T. and Elbert, Thomas and Junghöfer, Markus}
}
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