An investigation of light transport through scattering bodies with non-scattering regions

M Firbank, SR Arridge, M Schweiger… - Physics in Medicine & …, 1996 - iopscience.iop.org
An investigation of light transport through scattering bodies with non-scattering regions Page 1
Physics in Medicine & Biology An investigation of light transport through scattering bodies with …

Investigation of the effect of discrete absorbers upon the measurement of blood volume with near-infrared spectroscopy

M Firbank, E Okada, DT Delpy - Physics in Medicine & Biology, 1997 - iopscience.iop.org
This paper derives an analytical model for investigating the effect of the distribution of
absorbers upon light attenuation in a scattering medium. Results from this are found to …

Near-infrared spectroscopy of the adult head: effect of scattering and absorbing obstructions in the cerebrospinal fluid layer on light distribution in the tissue

H Dehghani, DT Delpy - Applied optics, 2000 - opg.optica.org
Previous modeling of near-infrared (NIR) light distribution in models of the adult head
incorporating a clear nonscattering cerebrospinal fluid (CSF) layer have shown the latter to …

A Monte Carlo investigation of optical pathlength in inhomogeneous tissue and its application to near-infrared spectroscopy

M Hiraoka, M Firbank, M Essenpreis… - Physics in Medicine …, 1993 - iopscience.iop.org
In order to quantify near-infrared spectroscopic (NIRS) data on an inhomogeneous medium,
knowledge of the contribution of the various parts of the medium to the total NIRS signal is …

Noninvasive imaging of cerebral activation with diffuse optical tomography

DA Boas, MA Franceschini, AK Dunn… - In vivo optical …, 2002 - books.google.com
Optical methods have been used to measure physiological variables for decades, as is
apparent from other chapters in this book. However, the use of diffuse optical light for …

Near-infrared light propagation in an adult head model. I. Modeling of low-level scattering in the cerebrospinal fluid layer

E Okada, DT Delpy - Applied optics, 2003 - opg.optica.org
Adequate modeling of light propagation in a human head is important for quantitative near-
infrared spectroscopy and optical imaging. The presence of a nonscattering cerebrospinal …

Functional near‐infrared spectroscopy: potential and limitations in neuroimaging studies

Y Hoshi - International Review of Neurobiology, 2005 - Elsevier
Near‐infrared spectroscopy (NIRS), a noninvasive optical technique, can measure changes
in hemoglobin (Hb) concentrations in brain tissue. Jöbsis first described the in vivo …

Light propagation in NIR spectroscopy of the human brain

VO Korhonen, TS Myllylä, MY Kirillin… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
In study of the brain, oxygenation changes in the cerebral cortex are of great interest, since
the concentrations of oxyhaemoglobin and deoxyhaemoglobin change due to coupling of …

Use of the water absorption spectrum to quantify tissue chromophore concentration changes in near-infrared spectroscopy

SJ Matcher, M Cope, DT Delpy - Physics in Medicine & Biology, 1994 - iopscience.iop.org
Describes a simple method for measuring the'differential pathlength'of photons in a
scattering medium utilizing the spectral absorption features of water. Determination of this …

Reevaluation of near-infrared light propagation<? xpp qa?> in the adult human head: implications for<? xpp qa?> functional near-infrared spectroscopy

Y Hoshi, M Shimada, C Sato… - Journal of biomedical …, 2005 - spiedigitallibrary.org
Using both experimental and theoretical methods, we examine the contribution of different
parts of the head to near-IR (NIR) signal. Time-resolved spectroscopy is employed to …