Humans use forward thinking to exploit social controllability

Na, Soojung

doi:10.7554/eLife.64983; 10.7554/eLife.64983.sa1; 10.7554/eLife.64983.sa2

Humans use forward thinking to exploit social controllability

2021-10-29

17

PRE

AI

DOI：10.7554/eLife.64983; 10.7554/eLife.64983.sa1; 10.7554/eLife.64983.sa2

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The controllability of our social environment has a profound impact on our behavior and mental health. Nevertheless, neurocomputational mechanisms underlying social controllability remain elusive. Here, 48 participants performed a task where their current choices either did (Controllable), or did not (Uncontrollable), influence partners' future proposals. Computational modeling revealed that people engaged a mental model of forward thinking (FT; i.e., calculating the downstream effects of current actions) to estimate social controllability in both Controllable and Uncontrollable conditions. A large-scale online replication study (n=1342) supported this finding. Using functional magnetic resonance imaging (n=48), we further demonstrated that the ventromedial prefrontal cortex (vmPFC) computed the projected total values of current actions during forward planning, supporting the neural realization of the forward-thinking model. These findings demonstrate that humans use vmPFC-dependent FT to estimate and exploit social controllability, expanding the role of this neurocomputational mechanism beyond spatial and cognitive contexts.

Keyword:

social decision-making

controllability

forward thinking

model-based planning

vmPFC

computational modeling

Human

Humans use forward thinking to exploit social controllability

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