Assessing TD fNIRS capability to detect hemodynamic oscillations in cerebral cortex

L. Contini; R. Re; D. Contini; A. Torricelli; L. Spinelli

doi:10.1117/12.2670919

9 August 2023 Assessing TD fNIRS capability to detect hemodynamic oscillations in cerebral cortex

L. Contini, R. Re, D. Contini, A. Torricelli, L. Spinelli

Proceedings Volume 12628, Diffuse Optical Spectroscopy and Imaging IX; 126280H (2023) https://doi.org/10.1117/12.2670919
Event: European Conferences on Biomedical Optics, 2023, Munich, Germany

Abstract

We present a simulation study to evaluate the feasibility of using Time Domain fNIRS to monitor hemodynamic oscillations in biological tissues like the cerebral cortex. Two geometries (slab and two-layer medium) were considered to define the optimal acquisition parameters and to assess the ability of the technique to detect and separate oscillations occurring at different depths within the probed medium by exploiting the time-gating of TD fNIRS signals.

Citation Download Citation

L. Contini, R. Re, D. Contini, A. Torricelli, and L. Spinelli "Assessing TD fNIRS capability to detect hemodynamic oscillations in cerebral cortex", Proc. SPIE 12628, Diffuse Optical Spectroscopy and Imaging IX, 126280H (9 August 2023); https://doi.org/10.1117/12.2670919

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KEYWORDS

Hemodynamics

Cerebral cortex

Diffusion

Feature extraction

In vivo imaging

Near infrared spectroscopy

Signal detection

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