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

F Scholkmann, S Kleiser, AJ Metz, R Zimmermann… - Neuroimage, 2014 - Elsevier
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 …

Progress of near-infrared spectroscopy and topography for brain and muscle clinical applications

M Wolf, M Ferrari, V Quaresima - Journal of biomedical optics, 2007 - spiedigitallibrary.org
This review celebrates the 30th anniversary of the first in vivo near-infrared (NIR)
spectroscopy (NIRS) publication, which was authored by Professor Frans Jöbsis. At first …

Cerebral blood flow and autoregulation: current measurement techniques and prospects for noninvasive optical methods

S Fantini, A Sassaroli, KT Tgavalekos… - …, 2016 - spiedigitallibrary.org
Cerebral blood flow (CBF) and cerebral autoregulation (CA) are critically important to
maintain proper brain perfusion and supply the brain with the necessary oxygen and energy …

Optical pathlength measurements on adult head, calf and forearm and the head of the newborn infant using phase resolved optical spectroscopy

A Duncan, JH Meek, M Clemence… - Physics in Medicine …, 1995 - iopscience.iop.org
The authors have used an intensity modulated optical spectrometer, which measures the
phase shift across tissue experienced by intensity modulated near-infrared light, to …

Quantification in tissue near–infrared spectroscopy

DT Delpy, M Cope - … Transactions of the Royal Society of …, 1997 - royalsocietypublishing.org
In near–infrared spectroscopy (NIRS) of tissue, light attenuation is due to:(i) absorption from
chromophores of fixed concentration,(ii) absorption from chromophores of variable …

A finite element approach for modeling photon transport in tissue

SR Arridge, M Schweiger, M Hiraoka… - Medical …, 1993 - Wiley Online Library
The use of optical radiation in medical physics is important in several fields for both
treatment and diagnosis. In all cases an analytic and computable model of the propagation …

Performance comparison of several published tissue near-infrared spectroscopy algorithms

SJ Matcher, CE Elwell, CE Cooper, M Cope… - Analytical …, 1995 - Elsevier
We have collected multiwavelength near-infrared (NIR) attenuation spectra on human
forearm muscle, the adult rat head, and newborn piglet head to compare the changes in …

The theoretical basis for the determination of optical pathlengths in tissue: temporal and frequency analysis

SR Arridge, M Cope, DT Delpy - Physics in Medicine & Biology, 1992 - iopscience.iop.org
A concise theoretical treatment is developed for the calculation of mean time, differential
pathlength, phase shift, modulation depth and integrated intensity of measurements of light …

Regulation of the cerebral circulation: bedside assessment and clinical implications

J Donnelly, KP Budohoski, P Smielewski, M Czosnyka - Critical care, 2016 - Springer
Regulation of the cerebral circulation relies on the complex interplay between
cardiovascular, respiratory, and neural physiology. In health, these physiologic systems act …

[HTML][HTML] Measurement of cranial optical path length as a function of age using phase resolved near infrared spectroscopy

A Duncan, JH Meek, M Clemence, CE Elwell… - Pediatric …, 1996 - nature.com
Near infrared spectroscopy (NIRS) has been used to measure concentration changes of
cerebral hemoglobin and cytochrome in neonates, children, and adults, to study cerebral …