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Systemic physiology augmented functional near-infrared spectroscopy: a powerful approach to study the embodied human brain

Scholkmann, Felix; Tachtsidis, Ilias; Wolf, Martin; Wolf, Ursula; (2022) Systemic physiology augmented functional near-infrared spectroscopy: a powerful approach to study the embodied human brain. Neurophotonics , 9 (3) , Article 030801. 10.1117/1.NPh.9.3.030801. Green open access

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Abstract

In this Outlook paper, we explain why an accurate physiological interpretation of functional near-infrared spectroscopy (fNIRS) neuroimaging signals is facilitated when systemic physiological activity (e.g., cardiorespiratory and autonomic activity) is measured simultaneously by employing systemic physiology augmented functional near-infrared spectroscopy (SPA-fNIRS). The rationale for SPA-fNIRS is twofold: (i) SPA-fNIRS enables a more complete interpretation and understanding of the fNIRS signals measured at the head since they contain components originating from neurovascular coupling and from systemic physiological sources. The systemic physiology signals measured with SPA-fNIRS can be used for regressing out physiological confounding components in fNIRS signals. Misinterpretations can thus be minimized. (ii) SPA-fNIRS enables to study the embodied brain by linking the brain with the physiological state of the entire body, allowing novel insights into their complex interplay. We envisage the SPA-fNIRS approach will become increasingly important in the future.

Type: Article
Title: Systemic physiology augmented functional near-infrared spectroscopy: a powerful approach to study the embodied human brain
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/1.NPh.9.3.030801
Publisher version: https://doi.org/10.1117/1.NPh.9.3.030801
Language: English
Additional information: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
Keywords: functional near-infrared spectroscopy, integrative physiology, neurosystemic functional connectivity, systemic physiology augmented functional near-infrared spectroscopy
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10152656
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