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When choosing, primates are guided not only by personal experience of objects but also by social information such as others' attitudes toward the objects. Crucially, both sources of information-personal and socially derived-vary in reliability. To choose optimally, one must sometimes override choice guidance by personal experience and follow social cues instead, and sometimes one must do the opposite. The dorsomedial frontopolar cortex (dmFPC) tracks reliability of social information and determines whether it will be attended to guide behavior. To do this, dmFPC activity enters specific patterns of interaction with a region in the mid-superior temporal sulcus (mSTS). Reversible disruption of dmFPC activity with transcranial ultrasound stimulation (TUS) led macaques to fail to be guided by social information when it was reliable but to be more likely to use it when it was unreliable. By contrast, mSTS disruption uniformly downregulated the impact of social information on behavior.

Original publication

DOI

10.1016/j.neuron.2023.09.035

Type

Journal article

Journal

Neuron

Publication Date

03/01/2024

Volume

112

Pages

84 - 92.e6

Keywords

dorsomedial frontopolar cortex, fMRI, macaques, social information use, transcranial ultrasound stimulation, Animals, Macaca, Reproducibility of Results, Magnetic Resonance Imaging, Cerebral Cortex, Decision Making