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Neuroimaging with functional near infrared spectroscopy: From formation to interpretation

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Title: Neuroimaging with functional near infrared spectroscopy: From formation to interpretation
Authors: Herrera-Vega, J
Treviño-Palacios, CG
Orihuela-Espina, F
Item Type: Journal Article
Abstract: Functional Near Infrared Spectroscopy (fNIRS) is gaining momentum as a functional neuroimaging modality to investigate the cerebral hemodynamics subsequent to neural metabolism. As other neuroimaging modalities, it is neuroscience's tool to understand brain systems functions at behaviour and cognitive levels. To extract useful knowledge from functional neuroimages it is critical to understand the series of transformations applied during the process of the information retrieval and how they bound the interpretation. This process starts with the irradiation of the head tissues with infrared light to obtain the raw neuroimage and proceeds with computational and statistical analysis revealing hidden associations between pixels intensities and neural activity encoded to end up with the explanation of some particular aspect regarding brain function.To comprehend the overall process involved in fNIRS there is extensive literature addressing each individual step separately. This paper overviews the complete transformation sequence through image formation, reconstruction and analysis to provide an insight of the final functional interpretation.
Issue Date: 30-Jun-2017
Date of Acceptance: 21-Jun-2017
URI: http://hdl.handle.net/10044/1/53402
DOI: https://dx.doi.org/10.1016/j.infrared.2017.06.011
ISSN: 1350-4495
Publisher: Elsevier
Start Page: 225
End Page: 237
Journal / Book Title: Infrared Physics and Technology
Volume: 85
Copyright Statement: © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: 0205 Optical Physics
Applied Physics
Publication Status: Published
Appears in Collections:Department of Surgery and Cancer