Hard Decisions Shape the Neural Coding of Preferences.
Adolescent
Adult
Brain Mapping
Choice Behavior
/ physiology
Cognitive Dissonance
Decision Making
/ physiology
Eye Movements
/ physiology
Female
Fixation, Ocular
/ physiology
Hippocampus
/ diagnostic imaging
Humans
Linear Models
Magnetic Resonance Imaging
Male
Memory
/ physiology
Parietal Lobe
/ diagnostic imaging
Prefrontal Cortex
/ diagnostic imaging
Young Adult
choice-induced preference change
decision-making
fMRI
precuneus
preference formation
prefrontal cortex
Journal
The Journal of neuroscience : the official journal of the Society for Neuroscience
ISSN: 1529-2401
Titre abrégé: J Neurosci
Pays: United States
ID NLM: 8102140
Informations de publication
Date de publication:
23 01 2019
23 01 2019
Historique:
received:
04
07
2018
revised:
22
10
2018
accepted:
08
11
2018
pubmed:
12
12
2018
medline:
18
12
2019
entrez:
12
12
2018
Statut:
ppublish
Résumé
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.
Identifiants
pubmed: 30530856
pii: JNEUROSCI.1681-18.2018
doi: 10.1523/JNEUROSCI.1681-18.2018
pmc: PMC6343649
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
718-726Informations de copyright
Copyright © 2019 the authors 0270-6474/19/390718-09$15.00/0.
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