Prefrontal control of social influence in risk decision making
Yongling Lin,
Ruolei Gu,
Jiali Zhou,
Yiman Li,
Pengfei Xu,
Yue-jia Luo
Affiliations
Yongling Lin
State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China; Corresponding authors.
Ruolei Gu
Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing 100101, China
Jiali Zhou
Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorder and Cognitive Science, Shenzhen University, Shenzhen 518061, China
Yiman Li
Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorder and Cognitive Science, Shenzhen University, Shenzhen 518061, China
Pengfei Xu
Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education (BNU), Faculty of Psychology, Beijing Normal University, Beijing 100875, China; Corresponding authors.
Yue-jia Luo
State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China; Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorder and Cognitive Science, Shenzhen University, Shenzhen 518061, China; Corresponding author at: Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorder and Cognitive Science, Shenzhen University, Shenzhen 518061, China.
To optimize our decisions, we may change our mind by utilizing social information. Here, we examined how changes of mind were modulated by Social Misalignment Sensitivity (SMS), egocentric tendency, and decision preferences in a decision-making paradigm including both risk and social information. Combining functional magnetic resonance imaging with computational modeling, we showed that both SMS and egocentric tendency modulated changes of mind under the influence of social information. While SMS was represented in the dorsal anterior cingulate cortex (dACC) and superior parietal gyrus (SPG) in the socially aligned situation, a distributed brain network was activated in the misaligned condition, including not only the dACC and SPG but also superior frontal gyrus and precuneus. These results suggest that SMS is related to a monitoring brain system, the scope of which varies according to the level of misalignment with social majority. The dorsolateral prefrontal cortex selectively interacted with SMS among the participants with a low switching threshold, indicating that its regulation on SMS may be sensitive to inter-individual variation. Our findings highlight the predominant roles of SMS and the prefrontal control system towards changes of mind under social influence.
