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Erschienen in: Journal of Neural Transmission 6/2009

01.06.2009 | Basic Neurosciences, Genetics and Immunology - Original Article

Early cortical processing of natural and artificial emotional faces differs between lower and higher socially anxious persons

verfasst von: Andreas Mühlberger, Matthias J. Wieser, Martin J. Herrmann, Peter Weyers, Christian Tröger, Paul Pauli

Erschienen in: Journal of Neural Transmission | Ausgabe 6/2009

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Abstract

Emotional facial expressions provide critical information for social interactions. Above all, angry faces are assumed to reflect potential social threat. We investigated event-related potentials (ERPs) triggered by natural and artificial faces expressing fear, anger, happiness or no emotion in participants with low and high levels of social anxiety. Overall, artificial faces elicited stronger P100 and N170 responses than natural faces. Additionally, the N170 component was larger for emotional compared to neutral facial expressions. Social anxiety was associated with an enhanced emotional modulation of the early posterior negativity (EPN) in response to fearful and angry facial expressions. Additionally, while the late positive potential (LPP) was larger for emotional than for neutral faces in low socially anxious participants, LPPs of higher socially anxious participants did not differ. LPPs might therefore be enhanced in higher socially anxious participants for both emotional and neutral faces. Furthermore, the modulations of the EPN and LPP were comparable between natural and artificial faces. These results indicate that social anxiety influences early perceptual processing of faces and that artificial faces are suitable for psychophysiological emotion research.
Fußnoten
1
The German scores of the Social Phobia and Anxiety Inventory (SPAI) were transformed into the original scores (Turner et al. 1989).
 
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Metadaten
Titel
Early cortical processing of natural and artificial emotional faces differs between lower and higher socially anxious persons
verfasst von
Andreas Mühlberger
Matthias J. Wieser
Martin J. Herrmann
Peter Weyers
Christian Tröger
Paul Pauli
Publikationsdatum
01.06.2009
Verlag
Springer Vienna
Erschienen in
Journal of Neural Transmission / Ausgabe 6/2009
Print ISSN: 0300-9564
Elektronische ISSN: 1435-1463
DOI
https://doi.org/10.1007/s00702-008-0108-6

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Stuhltransfusion könnte Fortschreiten von Parkinson-Symptomen bremsen

03.05.2024 Parkinson-Krankheit Nachrichten

Kann eine frühzeitige Stuhltransplantation das Fortschreiten von Parkinson-Symptomen verlangsamen? Die Ergebnisse einer randomisierten Phase-2-Studie scheinen dafür zu sprechen.

Frühe Tranexamsäure-Therapie nützt wenig bei Hirnblutungen

02.05.2024 Hirnblutung Nachrichten

Erhalten Personen mit einer spontanen Hirnblutung innerhalb von zwei Stunden nach Symptombeginn eine Tranexamsäure-Therapie, kann dies weder die Hämatomexpansion eindämmen noch die Mortalität senken.

Update Neurologie

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