Does rDLPFC activity alter trust? Evidence from a tDCS study

Author:

Sun Letian,Lu Xinbo,Zheng Haoli,Zeng Lulu,Zheng Wanjun,Wang Jinjin

Abstract

Trust plays an important role in the human economy and people’s social lives. Trust is affected by various factors and is related to many brain regions, such as the dorsolateral prefrontal cortex (DLPFC). However, few studies have focused on the impact of the DLPFC on trust through transcranial direct current stimulation (tDCS), although abundant psychology and neuroscience studies have theoretically discussed the possible link between DLPFC activity and trust. In the present study, we aimed to provide evidence of a causal relationship between the rDLPFC and trust behavior by conducting multiple rounds of the classical trust game and applying tDCS over the rDLPFC. We found that overall, anodal stimulation increased trust compared with cathodal stimulation and sham stimulation, while the results in different stages were not completely the same. Our work indicates a causal relationship between rDLPFC excitability and trust behavior and provides a new direction for future research.

Funder

National Natural Science Foundation of China

Publisher

Frontiers Media SA

Subject

General Neuroscience

Reference63 articles.

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