A review on continuous wave functional near-infrared spectroscopy and imaging instrumentation and methodology

Scholkmann, Felix; Kleiser, S; Metz, AJ; Zimmermann, R; Mata Pavia, J; Wolf, Ursula; Wolf, M (2014). A review on continuous wave functional near-infrared spectroscopy and imaging instrumentation and methodology. NeuroImage, 85(1), pp. 6-27. Elsevier 10.1016/j.neuroimage.2013.05.004

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This year marks the 20th anniversary of functional near-infrared spectroscopy and imaging (fNIRS/fNIRI). As the vast majority of commercial instruments developed until now are based on continuous wave technology, the aim of this publication is to review the current state of instrumentation and methodology of continuous wave fNIRI. For this purpose we provide an overview of the commercially available instruments and address instrumental aspects such as light sources, detectors and sensor arrangements. Methodological aspects, algorithms to calculate the concentrations of oxy- and deoxyhemoglobin and approaches for data analysis are also reviewed. From the single-location measurements of the early years, instrumentation has progressed to imaging initially in two dimensions (topography) and then three (tomography). The methods of analysis have also changed tremendously, from the simple modified Beer-Lambert law to sophisticated image reconstruction and data analysis methods used today. Due to these advances, fNIRI has become a modality that is widely used in neuroscience research and several manufacturers provide commercial instrumentation. It seems likely that fNIRI will become a clinical tool in the foreseeable future, which will enable diagnosis in single subjects.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > Medical Education > Institute of Complementary and Integrative Medicine (IKIM)

UniBE Contributor:

Scholkmann, Felix and Wolf, Ursula

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1053-8119

Publisher:

Elsevier

Language:

English

Submitter:

Sabine Klein

Date Deposited:

25 Sep 2014 14:08

Last Modified:

25 Sep 2014 14:08

Publisher DOI:

10.1016/j.neuroimage.2013.05.004

PubMed ID:

23684868

URI:

https://boris.unibe.ch/id/eprint/52186

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