Private-public mappings in human prefrontal cortex

Dan Bang, Sara Ershadmanesh, Hamed Nili, Stephen M. Fleming
2020 · doi:10.1101/2020.02.21.954305
preprint OA: closed CC-BY-4.0
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Abstract

ABSTRACT A core feature of human cognition is an ability to separate private states of mind – what we think or believe – from public actions – what we say or do. This ability is central to navigating social interactions in which different contexts often require different mappings between private states and public actions in order to minimise conflict and facilitate communication. Here we investigated how the human brain supports private-public mappings, using an interactive task which required subjects to adapt how they communicated their confidence about a perceptual decision to the social context. Univariate and multivariate analysis of fMRI data revealed that a private-public distinction is reflected in a medial-lateral division of prefrontal cortex – with lateral frontal pole (FPl) supporting the context-dependent mapping from a private sense of confidence to a public report. The concept of private-public mappings provides a promising framework for understanding flexible social behaviour.

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License: CC-BY-4.0