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Neural mechanisms of cooperation and fairness in iterative prisoner's dilemma.
Behav Brain Res
January 2025
Faculty of Psychology and MOE Key Laboratory of Cognition and Personality, Southwest University, Chongqing, China; Southwest University Branch, Collaborative Innovation Center of Assessment toward Basic Education Quality, Chongqing, China; Sichuan Key Laboratory of Psychology and Behavior of Discipline Inspection and Supervision, Chengdu, Sichuan, China. Electronic address:
Cooperation is a universal human principle reflecting working with others to achieve common goals. The rational decision-making model contends that cooperation is the best strategy for maximizing benefits in an iterative prisoner's dilemma. However, the motivations for cooperation (or betrayal) are complex and diverse, and often include fairness reflections.
View Article and Find Full Text PDFNucleus of fairness: epigenetic ageing, social determinants of health and the imperative for proactive preventive measures.
J Epidemiol Community Health
May 2024
Precision Breast Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK
Money or funny: Effective connectivity during service recovery with a DCM-PEB approach.
Biol Psychol
January 2023
Department of Psychology, National Taiwan University, Taipei, Taiwan.
While monetary compensation is considered the most effective service recovery strategy, relief theory claims that humor may also be useful in service recovery situations. This study investigated the effects of humor in service recovery using dynamic causal modeling and parametric empirical Bayes analysis to identify effective connectivity (EC) patterns in the dopaminergic reward system across four conditions representing different service recovery strategies: monetary compensation and humor (MH), monetary compensation and an apology (MA), non-monetary compensation using humor (H), and non-monetary compensation using an apology (CON, the control condition). The findings support the importance of the nucleus accumbens (NAc) in the monetary compensation (MH and MA) conditions and the amygdala in the non-monetary compensation (H and CON) conditions.
View Article and Find Full Text PDFBehavioural Differences and Neural Substrates of Altruistic and Spiteful Punishment.
Sci Rep
November 2017
Brain Science Institute, Tamagawa University, Tokyo, Japan.
Altruistic punishment following social norm violations promotes human cooperation. However, experimental evidence indicates that some forms of punishment are spiteful rather than altruistic. Using two types of punishment games and seven non-strategic games, we identified strong behavioural differences between altruistic and spiteful punishers.
View Article and Find Full Text PDFIndividuals differ in their motives and strategies to cooperate in social dilemmas. These differences are reflected by an individual's social value orientation: proselfs are strategic and motivated to maximize self-interest, while prosocials are more trusting and value fairness. We hypothesize that when deciding whether or not to cooperate with a random member of a defined group, proselfs, more than prosocials, adapt their decisions based on past experiences: they 'learn' instrumentally to form a base-line expectation of reciprocity.
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