Journal Article

FZJ-2021-05299

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Neural processing of iterated prisoner’s dilemma outcomes indicates next-round choice and speed to reciprocate cooperation

Constantino, F. C. (Corresponding author) ; Nicolaisen, E.FZJ* ; Garat, S. ; Paz, V. ; Martínez-Montes, E. ; Kessel, D. ; Cabana, Á. ; Gradin, V.

2021
Psychology Press New York [u.a.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/29583  doi:10.1080/17470919.2020.1859410

Abstract: The iterated prisoner's dilemma (iPD) game is a well established model for testing how people cooperate, yet the neural processes that unfold after its distinct outcomes have been only partly described. Recent theoretical models emphasize the ubiquity of intuitive cooperation, raising questions on both neural and behavioral timelines involved. We studied the outcome/feedback stage of iPD rounds with electroencephalography (EEG) methods. Results showed that neural signals associated to this stage also relate to future choice in an outcome-dependent manner: (i) after zero-gain ‘sucker’s payoffs’ (unreciprocated cooperation), a participant’s decision thereafter relates to changes to the feedback-related negativity (FRN); (ii) after one-sided non-cooperation (participant wins at co-player’s expense), by the P3; (iii) after mutual cooperation, by late frontal delta-band modulations. Critically, faster choices to reciprocate co-player cooperation were predicted, on a single-trial basis, by P3 and frontal delta modulations at the immediately preceding trial. Delta band signaling is considered in relation to homeostatic regulation processing in the literature. The findings relate the early outcome/feedback stage to subsequent decisional processes in the iPD, providing a first neural account of the brief timelines implied in heuristic modes of cooperation.

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Contributing Institute(s):

1. Gehirn & Verhalten (INM-7)

Research Program(s):

1. 5251 - Multilevel Brain Organization and Variability (POF4-525) (POF4-525)
2. 5253 - Neuroimaging (POF4-525) (POF4-525)

Appears in the scientific report 2021

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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