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March 29, 2026BiosensorsOpen Access

A Miniaturized and Modular Wearable Functional Near-Infrared Spectroscopy (fNIRS) Sensing Module for High-Density Cerebral Hemodynamic Monitoring

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Authors

MFMengjie FangDonghua UniversityXLXi LiuBGI Group (China)BJBowen JiNorthwestern Polytechnical University

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Implication

High-resolution fNIRS system captures hemodynamic changes in the brain, indicating potential for precise monitoring.

Key Points

  • To develop a modular, scalable fNIRS system for accurate cerebral hemodynamic monitoring.
  • Designed a wearable functional near-infrared spectroscopy system with compact optoelectronic modules.
  • Conducted in vivo experiments including forearm arterial occlusion and Valsalva tests.
  • Assessed system performance by measuring hemoglobin concentration changes during various activities.
  • Captured significant changes in oxygenated and deoxygenated hemoglobin during blood flow blockade.
  • Resolved neurovascular coupling response during the Valsalva maneuver.
  • Identified right-lateralized prefrontal cortex activation during a working memory task.

Cite This Study

Fang et al. (2026) studied this question.

synapsesocial.com/papers/69c8c324de0f0f753b39db88https://doi.org/10.3390/bios16040192
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