Journal
CELL
Volume 178, Issue 2, Pages 413-+Publisher
CELL PRESS
DOI: 10.1016/j.cell.2019.05.023
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Funding
- NIH [DP2-DC016163]
- New York Stem Cell Foundation [NYSCF-R-NI40]
- Alfred P. Sloan Foundation [FG-2017-9646]
- Brain Research Foundation [BRFSG-2017-09]
- National Science Foundation [NSF-1550818]
- Packard Fellowship [2017-66825]
- Klingenstein-Simons Fellowship
- Pew Charitable Trust [00029645]
- Dana Foundation
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Social interactions occur between multiple individuals, but what is the detailed relationship between the neural dynamics across their brains? To address this question across timescales and levels of neural activity, we used wireless electrophysiology to simultaneously record from pairs of bats engaged in a wide range of natural social interactions. We found that neural activity was remarkably correlated between their brains over timescales from seconds to hours. The correlation depended on a shared social environment and was most prominent in high frequency local field potentials (>30 Hz), followed by local spiking activity. Furthermore, the degree of neural correlation covaried with the extent of social interactions, and an increase in correlation preceded their initiation. These results show that inter-brain correlation is an inherent feature of natural social interactions, reveal the domain of neural activity where it is most prominent, and provide a foundation for studying its functional role in social behaviors.
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