When two become one: Electrocortical correlates of the integration of multiple action consequences

Autor(en): Osinsky, Roman 
Holst, Kristina
Ulrich, Natalie
Stichwörter: ANTERIOR CINGULATE CORTEX; BAD OUTCOMES; BRAIN POTENTIALS; DECISION OUTCOMES; ELECTROPHYSIOLOGICAL RESPONSES; FEEDBACK-RELATED NEGATIVITY; GAMBLING TASK; MEDIAL FRONTAL-CORTEX; NEURAL MECHANISMS; Neurosciences; Neurosciences & Neurology; Physiology; Psychology; Psychology, Biological; Psychology, Experimental; REWARD-PREDICTION
Erscheinungsdatum: 2018
Herausgeber: ELSEVIER SCIENCE BV
Journal: INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
Volumen: 132
Ausgabe: B, SI
Startseite: 252
Seitenende: 261
Zusammenfassung: 
In a recent study we have demonstrated that the feedback-related negativity (FRN) reflects the integrated value of instantaneous and delayed decision consequences (Osinsky et al. 2017). In the present work, we extend this research by using a novel choice task in which instant and delayed consequence values of a single decision outcome can be manipulated independently of each other in a trial-wise manner. Fifty-nine healthy participants completed this task while EEG was recorded. Twenty-two of them returned one week later for a retesting, allowing for investigating temporal stability of individual FRN indices. Our results show that the FRN mainly reflects the additively integrated value of instant and delayed outcome consequences. Individual differences in the FRN sensitivity to the two consequence dimensions were specifically predictive for consequence-driven adjustments in choice behavior and moderately stable over time. Altogether, our findings are inconsistent with the idea that the FRN reflects a simple binary distinction between favorable and unfavorable action outcomes. Rather, the FRN appears to mirror a fine-grained scaling of action outcomes, which results from stable personal reward preferences and which is used for adjusting choice behavior. Given that the FRN is generated in the anterior midcingulate cortex, our study adds to recent literature according to which this structure uses multiple information to learn complex action-outcome values.
ISSN: 01678760
DOI: 10.1016/j.ijpsycho.2017.11.014

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