Publikation:

Processing of affective pictures modulates right-hemispheric gamma band EEG activity

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Processing_of_affective_pictures_modulates_right_hemispheric_gamma_band_EEG_activity.pdf
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Datum

1999

Autor:innen

Müller, Matthias M.
Keil, Andreas
Gruber, Thomas

Herausgeber:innen

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-43461
DOI (zitierfähiger Link)
https://doi.org/10.1016/S1388-2457(99)00151-0
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Link zur Lizenz
Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access-Veröffentlichung
Open Access Green

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Psychologie: Publikationen
Core Facility der Universität Konstanz

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Titel in einer weiteren Sprache

Publikationstyp
Zeitschriftenartikel
Publikationsstatus
Published

Erschienen in

Clinical Neurophysiology. 1999, 110, pp. 1913-1920. Available under: doi: 10.1016/S1388-2457(99)00151-0

Zusammenfassung

The present study was designed to test differential hemispheric activation induced by emotional stimuli in the gamma band range (30-90 Hz). Subjects viewed slides with differing emotional content (from the International Affective Picture System). A significant valence by hemisphere interaction emerged in the gamma band from 30-50 Hz. Other bands, including alpha and beta, did not show such an interaction. Previous hypotheses suggested that the left hemisphere is more involved in positive affective processing as compared to the right hemisphere, while the latter dominates during negative emotions. Contrary to this expectation, the 30-50 Hz band showed relatively more power for negative valence over the left temporal region as compared to the right and a laterality shift towards the right hemisphere for positive valence. In addition, emotional processing enhanced gamma band power at right frontal electrodes regardless of the particular valence as compared to processing neutral pictures. The extended distribution of specific activity in the gamma band may be the signature of cell assemblies with members in limbic, temporal and frontal neocortical structures that differ in spatial distribution depending on the particular type of emotional processing.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
150 Psychologie

Schlagwörter

Emotion, Valence, EEG, Gamma band, Hemisphere asymmetry

Konferenz

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ISO 690MÜLLER, Matthias M., Andreas KEIL, Thomas GRUBER, Thomas ELBERT, 1999. Processing of affective pictures modulates right-hemispheric gamma band EEG activity. In: Clinical Neurophysiology. 1999, 110, pp. 1913-1920. Available under: doi: 10.1016/S1388-2457(99)00151-0
BibTex
@article{Muller1999Proce-10194,
  year={1999},
  doi={10.1016/S1388-2457(99)00151-0},
  title={Processing of affective pictures modulates right-hemispheric gamma band EEG activity},
  volume={110},
  journal={Clinical Neurophysiology},
  pages={1913--1920},
  author={Müller, Matthias M. and Keil, Andreas and Gruber, Thomas and Elbert, Thomas}
}
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