Voigt, Katharina ORCID: 0000-0002-1027-9223, Murawski, Carsten ORCID: 0000-0002-1237-9535, Speer, Sebastian ORCID: 0000-0003-3803-7661 and Bode, Stefan ORCID: 0000-0002-0258-7795 (2019). Hard Decisions Shape the Neural Coding of Preferences. J. Neurosci., 39 (4). S. 718 - 727. WASHINGTON: SOC NEUROSCIENCE. ISSN 1529-2401

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Abstract

Hard decisions between equally valued alternatives can result in preference changes, meaning that subsequent valuations for chosen items increase and decrease for rejected items. Previous research suggests that this phenomenon is a consequence of cognitive dissonance reduction after the decision, induced by the mismatch between initial preferences and decision outcomes. In contrast, this functional magnetic resonance imaging and eye-tracking study with male and female human participants found that preferences are already updated online during the process of decision-making. Preference changes were predicted from activity in left dorsolateral prefrontal cortex and precuneus while making hard decisions. Fixation durations during this phase predicted both choice outcomes and subsequent preference changes. These preference adjustments became behaviorally relevant only for choices that were remembered and were in turn associated with hippocampus activity. Our results suggest that preferences evolve dynamically as decisions arise, potentially as a mechanism to prevent stalemate situations in underdetermined decision scenarios.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Voigt, KatharinaUNSPECIFIEDorcid.org/0000-0002-1027-9223UNSPECIFIED
Murawski, CarstenUNSPECIFIEDorcid.org/0000-0002-1237-9535UNSPECIFIED
Speer, SebastianUNSPECIFIEDorcid.org/0000-0003-3803-7661UNSPECIFIED
Bode, StefanUNSPECIFIEDorcid.org/0000-0002-0258-7795UNSPECIFIED
URN: urn:nbn:de:hbz:38-158972
DOI: 10.1523/JNEUROSCI.1681-18.2018
Journal or Publication Title: J. Neurosci.
Volume: 39
Number: 4
Page Range: S. 718 - 727
Date: 2019
Publisher: SOC NEUROSCIENCE
Place of Publication: WASHINGTON
ISSN: 1529-2401
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
COGNITIVE-DISSONANCE; CHOICE; MECHANISMS; ATTENTION; CORTEX; MEMORY; CONNECTIONS; REFLECTS; INSIGHTSMultiple languages
NeurosciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15897

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