Cross-recurrence quantification analysis captures inter-brain coupling during naturalistic negotiation: a new dynamic approach for hyperscanning.

ABSTRACT: Naturalistic interactions involve dynamic, nonlinear coordination that unfolds across multiple timescales, yet most hyperscanning studies rely on analytical methods designed for passive, stimulus-locked contexts. We introduce cross-recurrence quantification analysis (CRQA)-a method that treats signals as a coupled dynamical system and characterizes the patterns of their joint trajectories across time-to measure brain-to-brain coupling during a free-flowing negotiation task. Dyads were scanned with fNIRS as they negotiated budget allocations to solve a public health crisis. We measured neural coupling in regions critical for social cognition-medial prefrontal cortex and temporal parietal junction-and related coupling patterns to both objective negotiation behaviors and subjective experience

SUBMITTER: Goldstein BM 

PROVIDER: S-EPMC12833299 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature