Fischer, Peter and Reinweber, Matthias and Vogrincic, Claudia and Schaefer, Axel and Schienle, Anne and Volberg, Gregor (2013) Neural mechanisms of selective exposure: An EEG study on the processing of decision-consistent and inconsistent information. INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY, 87 (1). pp. 13-18. ISSN 0167-8760,
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Decision makers tend to prefer decision-consistent information and/or neglect decision-inconsistent information (selective exposure). In the present EEG study the neural mechanisms of the classic selective exposure effect were examined by investigating oscillatory brain responses to consistent vs. inconsistent information. Twenty participants made an economic decision and subsequently were exposed to 45 consistent and 45 inconsistent images concerning their decision. EEG was recorded from 31 electrodes and differences between oscillatory brain responses towards consistent and inconsistent information were examined. The main result was an increase of induced theta power (5-8 Hz, 0-0.7 s) in the consistent compared to the inconsistent condition at right temporo-parietal electrodes, as well as a corresponding increase of evoked theta power at frontal electrodes. Since theta oscillations are often observed during memory formation, we conclude that decision-consistent information triggers memory formation, whereas decision-inconsistent information seems not to do so. This finding supports the classic motivational perspective of Leon Festinger on the selective exposure effect. (C) 2012 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | GAMMA OSCILLATIONS; MEMORY PERFORMANCE; THETA; SYNCHRONIZATION; VALENCE; ALPHA; Selective exposure; Theta activity; Alpha activity; EEG; Decision making; Memory synchronization |
| Subjects: | 100 Philosophy & psychology > 150 Psychology |
| Divisions: | Human Sciences > Institut für Psychologie Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie V (Sozial-, Arbeits- und Organisationspsychologie) - Prof. Dr. Peter Fischer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 29 Apr 2020 07:32 |
| Last Modified: | 29 Apr 2020 07:32 |
| URI: | https://pred.uni-regensburg.de/id/eprint/17474 |
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