Perceived community alignment increases information sharing

Elisa C. Baek (), Ryan Hyon, Karina López, Mason A. Porter and Carolyn Parkinson ()
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Elisa C. Baek: University of Southern California
Ryan Hyon: Los Angeles
Karina López: Los Angeles
Mason A. Porter: Los Angeles
Carolyn Parkinson: Los Angeles

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract It has been proposed that information sharing, which is a ubiquitous and consequential behavior, plays a critical role in cultivating and maintaining a sense of shared reality. Across three studies, we test this theory by investigating whether or not people are especially likely to share information that they believe will be interpreted similarly by others in their social circles. Using neuroimaging data collected while people who live in the same residential community viewed brief film clips, we find that more similar neural responses across participants is associated with a greater likelihood to share content. We then test this relationship using two behavioral studies and find (1) that people are particularly likely to share content that they believe others in their social circles will interpret similarly and (2) that perceived similarity with others leads to increased sharing likelihood. In concert, our findings support the idea that people are driven to share information to create and reinforce shared understanding, which is critical to social connection.

Date: 2025
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DOI: 10.1038/s41467-025-59915-8

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