Reliability Evaluation for Continuous-Wave Functional Near-Infrared Spectroscopy Systems: Comprehensive Testing from...

Area of Science:

• Biomedical Optics
• Neuroimaging Technology
• Medical Instrumentation

Background:

• Biomedical optics, particularly functional near-infrared spectroscopy (fNIRS), has advanced significantly, enabling non-invasive hemodynamics detection.
• Various fNIRS systems exist, but standardized, comprehensive evaluation methods for their safety, stability, and efficacy are lacking.
• Reliable assessment of fNIRS instruments is crucial for their widespread adoption in functional brain imaging.

Purpose of the Study:

• To develop and present a systematic and cost-effective evaluation methodology for fNIRS systems.
• To establish a practical testing framework for assessing the reliability of fNIRS instruments.
• To provide a method for comprehensive evaluation of both existing and novel fNIRS devices.

Main Methods:

• The study utilized a self-developed fNIRS system as the test subject.
• A testing protocol was designed, incorporating system validation and performance testing procedures.
• The methodology emphasizes low cost and high practicality for laboratory or workspace implementation.

Main Results:

• A comprehensive evaluation method for fNIRS systems was successfully established.
• The developed methods allow for thorough assessment of fNIRS system reliability.
• The approach is designed to be practical and cost-efficient for researchers and developers.

Conclusions:

• The proposed evaluation methods offer a reliable way to assess fNIRS systems.
• This study addresses the need for systematic and accessible evaluation techniques in fNIRS technology.
• The developed framework facilitates the evaluation of fNIRS instruments, supporting advancements in hemodynamics detection and functional brain imaging.