Time Course of Competition for Visual Processing Resources between Emotional Pictures and Foreground Task. Export

@article{citeulike:2473762, abstract = {High-arousing emotional stimuli facilitate early visual cortex, thereby acting as strong competitors for processing resources in visual cortex. The present study used an electrophysiological approach for continuously measuring the time course of competition for processing resources in the visual pathway arising from emotionally salient but task-irrelevant input while performing a foreground target detection task. Steady-state visual evoked potentials (SSVEPs) were recorded to rapidly flickering squares superimposed upon neutral and emotionally high-arousing pictures, and variations in SSVEP amplitude over time were calculated. As reflected in SSVEP amplitude and target detection rates, arousing emotional background pictures withdrew processing resources from the detection task compared with neutral ones for several hundred milliseconds after stimulus onset. SSVEP amplitude was found to bear a close temporal relationship with accurate target detection as a function of time after stimulus onset.}, address = {Institut f\"{u}r Psychologie I, Universit\"{a}t Leipzig, Seeburgstr. 14-20, D-04103 Leipzig, Germany.}, author = {M\"{u}ller, Matthias M M. and Andersen, S{\o}ren K K. and Keil, Andreas}, citeulike-article-id = {2473762}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/18063562}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=18063562}, day = {5}, issn = {1047-3211}, journal = {Cereb Cortex}, keywords = {attention, eeg, emotion, ssvep}, month = {December}, posted-at = {2009-04-28 19:43:52}, priority = {0}, title = {Time Course of Competition for Visual Processing Resources between Emotional Pictures and Foreground Task.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/18063562}, year = {2007} }

TY - JOUR ID - citeulike:2473762 L3 - citeulike-article-id:2473762 N2 - High-arousing emotional stimuli facilitate early visual cortex, thereby acting as strong competitors for processing resources in visual cortex. The present study used an electrophysiological approach for continuously measuring the time course of competition for processing resources in the visual pathway arising from emotionally salient but task-irrelevant input while performing a foreground target detection task. Steady-state visual evoked potentials (SSVEPs) were recorded to rapidly flickering squares superimposed upon neutral and emotionally high-arousing pictures, and variations in SSVEP amplitude over time were calculated. As reflected in SSVEP amplitude and target detection rates, arousing emotional background pictures withdrew processing resources from the detection task compared with neutral ones for several hundred milliseconds after stimulus onset. SSVEP amplitude was found to bear a close temporal relationship with accurate target detection as a function of time after stimulus onset. JF - Cereb Cortex SN - 1047-3211 AD - Institut für Psychologie I, Universität Leipzig, Seeburgstr. 14-20, D-04103 Leipzig, Germany. TI - Time Course of Competition for Visual Processing Resources between Emotional Pictures and Foreground Task. KW - attention KW - eeg KW - emotion KW - ssvep AU - Müller, Matthias M AU - Andersen, Søren K AU - Keil, Andreas PY - 2007/12/05/ UR - http://view.ncbi.nlm.nih.gov/pubmed/18063562 ER -