@article{Schupp2014Expli-26274,
  year={2014},
  doi={10.1093/scan/nst171},
  title={Explicit semantic stimulus categorization interferes with implicit emotion processing},
  number={11},
  volume={9},
  issn={1749-5016},
  journal={Social Cognitive and Affective Neuroscience},
  pages={1738--1745},
  author={Schupp, Harald T. and Schmälzle, Ralf and Flaisch, Tobias}
}

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    <dc:creator>Flaisch, Tobias</dc:creator>
    <dc:creator>Schmälzle, Ralf</dc:creator>
    <dc:contributor>Schupp, Harald T.</dc:contributor>
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    <dc:contributor>Flaisch, Tobias</dc:contributor>
    <dcterms:abstract xml:lang="eng">Previous functional magnetic resonance imaging and event-related brain potential studies revealed that performing a cognitive task may suppress the preferential processing of emotional stimuli. However, these studies utilized simple and artificial tasks (i.e. letter, shape or orientation discrimination tasks), unfamiliar to the participants. The present event-related potential study examined the emotion–attention interaction in the context of a comparably more natural scene categorization task. Deciding whether a natural scene contains an animal or not is a familiar and meaningful task to the participants and presumed to require little attentional resources. The task images were presented centrally and were overlaid upon emotional or neutral background pictures. Thus, implicit emotion and explicit semantic categorization may compete for processing resources in neural regions implicated in object recognition. Additionally, participants passively viewed the same stimulus materials without the demand to categorize task images. Significant interactions between task condition and emotional picture valence were observed for the occipital negativity and late positive potential. In the passive viewing condition, emotional background images elicited an increased occipital negativity followed by an increased late positive potential. In contrast, during the animal-/non-animal-categorization task, emotional modulation effects were replaced by strong target categorization effects. These results suggest that explicit semantic categorization interferes with implicit emotion processing when both processes compete for shared resources.</dcterms:abstract>
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    <dcterms:title>Explicit semantic stimulus categorization interferes with implicit emotion processing</dcterms:title>
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