Abstract: Feedback-related negativity (FRN) is an important negative potential component related to the outcome evaluation process and peaks approximately 200~300ms after the onset of feedback stimuli. FRN serves as the indicators and tools of social cognition’s visualization, which plays a significant role in social relations cognition. The present study elaborates the role of FRN on social relations of cognition in the perspectives of social relations and social norms, which reflects and characterizes the social relations. The former focuses on describing the functions of FRN on social relationships and social roles playing by independent individuals; the latter mainly introduces the functions of FRN on allocation of fairness and norms of responsibility. Future studies need further investigations to discuss the neurocognitive processes of responsibility sharing conducted by individuals with different interpersonal intimacy levels and the impact of the absolute amount of independent responsibility on outcome evaluation process and social relations’ cognition, by adapting more rigorous experimental designs and research paradigms, combined with other ERP components (e.g. P300).

Key words: feedback-related negativity, social relation, social norm, social cognition, outcome evaluation