Title: The posterior sustained negativity Revisited-An SPN reanalysis of Jacobsen and Höfel (2003)
Authors: Jacobsen, Thomas  
Klein, Stina
Löw, Andreas 
Affiliation: Allgemeine und Biologische Psychologie
Allgemeine und Biologische Psychologie
Language: en
Subject (DDC): Psychologie
Subject: Symmetry Processing
Aesthetic Judgments of Beauty
Issue Date: 2018
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
Document Type: Article
Source: Enthalten in: Symmetry. - Basel : MDPI, 2009. - Online-Ressource. - 2018.10(1),27
Journal / Series / Working Paper (HSU): Symmetry 
Volume: 10
Issue: 1
Abstract: 
Symmetry is an important cue for the aesthetic judgment of beauty. Using a binary forced-choice format in a cued mixed design, Jacobsen and Höfel (2003) compared aesthetic judgments of beauty and symmetry judgments of novel graphic patterns. A late posterior sustained negativity elicited by symmetric patterns was observed in the symmetry judgment condition, but not in the beauty judgement condition. Therefore, this negativity appeared to be mainly driven by the task.In a series of studies, Bertamini, Makin, and colleagues observed a comparable sustained posterior negativity (SPN) to symmetric stimuli, mainly taken to reflect obligatory symmetry processing independent of task requirements. We reanalyzed the data by Jacobsen and Höfel (2003) using similar parameters for data analysis as Bertamini, Makin, and colleagues to examine these apparent differences. The reanalysis confirmed both a task-driven effect on the posterior sustained negativity/SPN to symmetric patterns in the symmetry judgment condition and a strong symmetry-driven SPN to symmetric patterns. Differences between the references used for analyses of the electroencephalogram (EEG) had an effect. Based on the reanalysis, the Jacobsen and Höfel (2003) data also fit well with Bertamini's, Makin's, and colleagues' account of obligatory symmetry processing. © 2018 by the authors.
Organization Units (connected with the publication): Allgemeine und Biologische Psychologie 
ISSN: 2073-8994
DOI: 10.3390/sym10010027
Rights: 4.0 deutsch
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