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February 8, 2026Behavioral and Brain FunctionsOpen Access

Investigating interbrain synchrony under teamwork disruption: an fNIRS hyperscanning study

Coralie Reveillé Grégoire Vergotte Gérard Dray Pierre-Antoine Jean Pierre Jean Simon Pla Stéphane Perrey Grégoire Bosselut

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Key Points

The study aims to determine whether interbrain synchrony (IBS) is sensitive to disruptions in teamwork during collaborative tasks.
Ninety-eight healthy adults participated, forming forty-nine dyads.
Participants engaged in a 20-minute computer-based navigation task while brain activity was recorded using fNIRS hyperscanning.
Dyads in the experimental group faced an unexpected increase in task difficulty, contrasting with a control group that experienced no disruptions.
Three features of IBS were assessed: overall level, temporal slope trajectory, and temporal recurrence patterns.
IBS reliably emerged during the task, confirming its presence.
Teamwork disruptions led to altered communication and performance in the experimental group.
No significant changes in IBS features were observed despite teamwork disruptions, challenging its role as a reactive marker.

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Implication

Investigates how teamwork disruptions affect interbrain synchrony in healthy adults, suggesting interesting implications for teamwork dynamics.

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Cite This Study

Reveillé et al. (2026) studied this question.

synapsesocial.com/papers/698c1c11267fb587c655e268 https://doi.org/10.1186/s12993-026-00320-6

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