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A Newcomer's Guide to Functional Near Infrared Spectroscopy Experiments.
IEEE Reviews in Biomedical Engineering
|October 22, 2019
Summary
Functional near-infrared spectroscopy (fNIRS) offers a versatile, non-invasive brain imaging method. This review provides a practical guide to fNIRS technology, experimentation, and analysis for researchers and clinicians.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Optical Imaging
Background:
- Functional near-infrared spectroscopy (fNIRS) is an optical imaging technique used to measure brain activity.
- It offers a non-invasive and versatile approach to studying the brain.
- Despite its potential, fNIRS presents challenges in experimentation and data analysis.
Purpose of the Study:
- To provide a practical primer on fNIRS technology, experimental design, and analysis software.
- To guide practitioners in utilizing fNIRS for brain research.
- To highlight the advantages and limitations of fNIRS.
Main Methods:
- Review of relevant anatomical and optical foundations.
- Description of different illumination and data collection methods (continuous wave, time domain, frequency domain).
- Overview of basic fNIRS system components.
Main Results:
- Discussion of advantages and limitations of fNIRS techniques.
- Sampling of experimental and clinical studies demonstrating fNIRS applications in brain-related ailments.
- Identification of freely available analysis and presentation software packages.
Conclusions:
- fNIRS is a valuable neuroimaging technique with growing clinical applications.
- Its manageable hardware requirements and versatility make it a cost-effective addition to neuro-medical examinations.
- fNIRS represents a state-of-the-art neuroimaging technique with significant potential.