In vivo determination of the optical properties of infant brain using frequency-domain near-infrared spectroscopy

J Zhao, HS Ding, XL Hou, CL Zhou… - Journal of biomedical …, 2005 - spiedigitallibrary.org
We investigate the optical properties of the brain in 23 neonates in vivo using a frequency
domain near-infrared spectroscopy (NIRS). In this study, a calibration procedure is …

In vivo measure of neonate brain optical properties and hemodynamic parameters by time-domain near-infrared spectroscopy

L Spinelli, L Zucchelli, D Contini, M Caffini… - …, 2017 - spiedigitallibrary.org
By exploiting a multichannel portable instrument for time-domain near-infrared spectroscopy
(TD-NIRS), we characterized healthy neonates' brains in term of optical properties and …

[HTML][HTML] Frequency-domain techniques for cerebral and functional near-infrared spectroscopy

S Fantini, A Sassaroli - Frontiers in neuroscience, 2020 - frontiersin.org
This article reviews the basic principles of frequency-domain near-infrared spectroscopy (FD-
NIRS), which relies on intensity-modulated light sources and phase-sensitive optical …

Correlation between skin, bone, and cerebrospinal fluid layer thickness and optical coefficients measured by multidistance frequency-domain near-infrared …

A Demel, K Feilke, M Wolf, CF Poets… - Journal of biomedical …, 2014 - spiedigitallibrary.org
Near-infrared spectroscopy (NIRS) is increasingly used in neonatal intensive care. We
investigated the impact of skin, bone, and cerebrospinal fluid (CSF) layer thickness in term …

Use of near infrared spectroscopy for the clinical monitoring of adult brain

PJ Kirkpatrick, P Smielewski, JMK Lam… - … of biomedical optics, 1996 - spiedigitallibrary.org
Adult near infrared spectroscopy (NIRS) is a potential method for noninvasively assessing
changes in cerebral oxygenation. Unlike neonatal NIRS, access of light to the adult brain …

Precision of cerebral oxygenation and hemoglobin concentration measurements in neonates measured by near-infrared spectroscopy

SJ Arri, T Muehlemann, M Biallas… - … of biomedical optics, 2011 - spiedigitallibrary.org
Background and aim: One source of error with near-infrared spectroscopy (NIRS) is the
assumption that the measured tissue is optically homogeneous. This is not always the case …

Near-infrared frequency-domain optical spectroscopy and magnetic resonance imaging: a combined approach to studying cerebral maturation in neonatal rabbits

HE D'Arceuil, MP Hotakainen, C Liu… - … of biomedical optics, 2005 - spiedigitallibrary.org
The neonatal rabbit brain shows prolonged postnatal development both structurally and
physiologically. We use noninvasive near-IR frequency-domain optical spectroscopy (NIRS) …

Noninvasive determination of the optical properties of adult brain: near-infrared spectroscopy approach

JH Choi, M Wolf, V Toronov, U Wolf… - … of biomedical optics, 2004 - spiedigitallibrary.org
The basic parameters for physiological measurements provided by near-infrared
spectroscopy are the local absorption and scattering coefficients. For the adult human head …

Quantification of cerebral hemoglobin as a function of oxygenation using near-infrared time-resolved spectroscopy in a piglet model of hypoxia

S Ijichi, T Kusaka, K Isobe, F Islam… - … of biomedical optics, 2005 - spiedigitallibrary.org
Near-infrared spectroscopy (NIRS) has been used for measurement of cerebral hemoglobin
(Hb) concentrations in neonates to study cerebral oxygenation and hemodynamics. We …

Investigation of the sensitivity of functional near-infrared spectroscopy brain imaging to anatomical variations in 5-to 11-year-old children

AC Whiteman, H Santosa, DF Chen… - …, 2018 - spiedigitallibrary.org
Functional near-infrared spectroscopy (fNIRS) is a noninvasive brain imaging technique that
uses scalp-placed light sensors to measure evoked changes in cerebral blood oxygenation …