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Processing of unattended, simple negative pictures resists perceptual load
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2011 (English)In: NeuroReport, ISSN 0959-4965, E-ISSN 1473-558X, Vol. 22, no 7, 348-352 p.Article in journal (Refereed) Published
Abstract [en]

As researchers debate whether emotional pictures can be processed irrespective of spatial attention and perceptual load, negative and neutral pictures of simple figure-ground composition were shown at fixation and were surrounded by one, two, or three letters. When participants performed a picture discrimination task, there was evidence for motivated attention; that is, an early posterior negativity (EPN) and late positive potential (LPP) to negative versus neutral pictures. When participants performed a letter discrimination task, the EPN was unaffected whereas the LPP was reduced. Although performance decreased substantially with the number of letters (one to three), the LPP did not decrease further. Therefore, attention to simple, negative pictures at fixation seems to resist manipulations of perceptual load.

Place, publisher, year, edition, pages
2011. Vol. 22, no 7, 348-352 p.
Keyword [en]
attention, early posterior negativity, emotion, event-related potentials, late positive potential, load
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-68107DOI: 10.1097/WNR.0b013e3283463cb1ISI: 000289509900007OAI: oai:DiVA.org:su-68107DiVA: diva2:472618
Note
authorCount :2Available from: 2012-01-04 Created: 2012-01-03 Last updated: 2017-12-08Bibliographically approved

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