Advancing Inter-brain Synchrony Measurement: A Comparative Hyperscanning Study of High-Density Diffuse Optical Tomography and Functional Near-infrared Spectroscopy
Shuo Guan, Yuhang Li, Yingbo Geng, Dongyun Li, Qiong Xu, Dalin Yang, Yingchun Zhang, Rihui Li
This study compares high-density diffuse optical tomography (HD-DOT) and functional near-infrared spectroscopy (fNIRS) in measuring inter-brain synchrony during social tasks, finding HD-DOT provides better spatial resolution and detects more brain regions involved in synchrony.
bioRxiv · Jul 2, 2025 · PreprintNeuroscience