Visual noise effects on emotion perception : brain potentials and stimulus identification

Schupp, Harald T.; Stockburger, Jessica; Schmälzle, Ralf; Bublatzky, Florian; Weike, Almut I.; Hamm, Alfons O.

Visual noise effects on emotion perception : brain potentials and stimulus identification

Dateien

Visual_noise_effects_on_emotion_perception.pdfGröße: 181.26 KBDownloads: 475

Datum

2008

Autor:innen

Schupp, Harald T.

Stockburger, Jessica

Schmälzle, Ralf

Bublatzky, Florian

Weike, Almut I.

Hamm, Alfons O.

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Psychologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

NeuroReport. 2008, 19(2), pp. 167-171. Available under: doi: 10.1097/WNR.0b013e3282f4aa42

Zusammenfassung

Event-related potential (ERP) studies revealed an early posterior negativity (EPN) for emotionally arousing pictures. Two studies explored how this effect relates to perceptual stimulus characteristics and stimulus identification. Adding various amounts of visual noise varied stimulus perceptibility of high and low arousing picture contents, which were presented as rapid and continuous stream. Measuring dense sensor event-related potentials, study I determined that noise level was linearly related to the P1 peak. Subsequently, enlarged EPNs to emotionally arousing contents were observed, however, only for pictures containing low amounts of noise, which also enabled stimulus identification as shown by study II. These data support the notion that the EPN may serve as a measure of affective stimulus evaluation at an early transitory processing period.

Fachgebiet (DDC)

150 Psychologie

Schlagwörter

attention, early posterior negativity, emotion, event-related potential, perception

Zitieren

ISO 690

SCHUPP, Harald T., Jessica STOCKBURGER, Ralf SCHMÄLZLE, Florian BUBLATZKY, Almut I. WEIKE, Alfons O. HAMM, 2008. Visual noise effects on emotion perception : brain potentials and stimulus identification. In: NeuroReport. 2008, 19(2), pp. 167-171. Available under: doi: 10.1097/WNR.0b013e3282f4aa42

BibTex

@article{Schupp2008Visua-11262,
  year={2008},
  doi={10.1097/WNR.0b013e3282f4aa42},
  title={Visual noise effects on emotion perception : brain potentials and stimulus identification},
  number={2},
  volume={19},
  journal={NeuroReport},
  pages={167--171},
  author={Schupp, Harald T. and Stockburger, Jessica and Schmälzle, Ralf and Bublatzky, Florian and Weike, Almut I. and Hamm, Alfons O.}
}

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Universitätsbibliographie

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