Event-related potentials to schematic faces in social phobia

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2007
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Kolassa, Stephan
Musial, Frauke
Miltner, Wolfgang H.
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Cognition and Emotion. 2007, 21(8), pp. 1721-1744. Available under: doi: 10.1080/02699930701229189
Zusammenfassung

Social phobia has been associated with an attentional bias for angry faces. This study aimed at further characterising this attentional bias by investigating reaction times, heart rates, and ERPs while social phobics, spider phobics, and controls identified either the colour or the emotional quality of angry, happy, or neutral schematic faces. The emotional expression of angry faces did not interfere with the processing of their colour in social phobics, and heart rate, N170 amplitude and parietal late positive potentials (LPPs) of these subjects were also no different from those of non-phobic subjects. However, social phobics showed generally larger P1 amplitudes than non-phobic controls with spider phobic subjects in between. No general threat advantage for angry faces was found. All groups identified neutral schematic faces faster and showed larger late positive amplitudes to neutral than to emotional faces. Furthermore, in all groups the N170 was modulated by the emotional quality of faces. This effect was most pronounced in the emotion identification task.

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150 Psychologie
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ISO 690KOLASSA, Iris-Tatjana, Stephan KOLASSA, Frauke MUSIAL, Wolfgang H. MILTNER, 2007. Event-related potentials to schematic faces in social phobia. In: Cognition and Emotion. 2007, 21(8), pp. 1721-1744. Available under: doi: 10.1080/02699930701229189
BibTex
@article{Kolassa2007Event-10658,
  year={2007},
  doi={10.1080/02699930701229189},
  title={Event-related potentials to schematic faces in social phobia},
  number={8},
  volume={21},
  journal={Cognition and Emotion},
  pages={1721--1744},
  author={Kolassa, Iris-Tatjana and Kolassa, Stephan and Musial, Frauke and Miltner, Wolfgang H.}
}
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