Extended Data Fig. 1: Verify frequency band with increased neural synchronization to intergroup contest than resting-state.
From: Leader–follower behavioural coordination and neural synchronization during intergroup conflict
To validate that the timeline-based frequency band of interest, we averaged coherence values across all 14 channels and the averaged coherence value during the resting-state was subtracted from that of inter-group contest task. We performed one sample t-tests on the coherence value difference for each of the 121 frequency bands (frequency range: 0.004 to 4.547 Hz). Frequency band from 0.0282 Hz to 0.0335 Hz (corresponding to the period between 29.82s and 35.47s) showed significantly increased coherence value of inter-group contest (vs. resting state, p < 0.05, corrected by False discovery rate (FDR) for 121 frequency bands), which was overlapping with the timeline-based frequency band of interest (that is, frequency band from 0.0263 HZ to 0.0357 HZ). Moreover, the coherence value within the timeline-identified frequency band of interest also showed significant increase during inter-group contest than the resting-state (Mean ± SE = 0.011 ± 0.004, t79 = 2.963, p = 0.004, Cohen’s d = 0.331).
