Separation of superficial and cerebral hemodynamics using a single distance time-domain NIRS measurement

A Jelzow, H Wabnitz, I Tachtsidis, E Kirilina… - Biomedical optics …, 2014 - opg.optica.org
In functional near-infrared spectroscopy (fNIRS) superficial hemodynamics can mask optical
signals related to brain activity. We present a method to separate superficial and cerebral …

Photon migration in NIRS brain imaging

E Okada - Application of Near Infrared Spectroscopy in …, 2013 - Springer
Near-infrared spectroscopy (NIRS) is widely used to measure cerebral oxygenation and
hemodynamics caused by brain activation. Blood volume and oxygenation are indicated by …

Functional mapping of the human brain with near-infrared spectroscopy in the frequency-domain

A Sassaroli, Y Tong, F Fabbri… - Lasers in Surgery …, 2004 - spiedigitallibrary.org
Comparison of the spatial and temporal information retrieved from near-infrared phase and
average intensity (DC) data reveals that these data types can play a complementary role in …

Functional imaging of the brain using a portable NIR instrument

T Vaithianathan, IDC Tullis, N Everdell… - … of Tissue V, 2003 - spiedigitallibrary.org
Near Infrared Spectroscopy (NIRS) is a powerful method for non-invasive mapping of
cerebral functional activation. We have developed an NIRS instrument that is portable …

Continuous-wave near-infrared spectroscopy using pathlength-independent hypoxia normalization

RP Kennan, KL Behar - Journal of biomedical optics, 2002 - spiedigitallibrary.org
A general physiological model for the hemodynamic response during altered blood flow,
oxygenation, and metabolism is presented. Calculations of oxy-, deoxy-, and total …

Functional near-infrared spectroscopy

SC Bunce, M Izzetoglu, K Izzetoglu… - IEEE engineering in …, 2006 - ieeexplore.ieee.org
The purpose of the this article is to describe an emerging neuroimaging technology,
functional near-infrared spectroscopy (fNIRs), which has several attributes that make it …

Functional optical signal analysis: a software tool<? xpp qa?> for near-infrared spectroscopy data processing incorporating statistical parametric mapping

PH Koh, DE Glaser, G Flandin, S Kiebel… - … of biomedical optics, 2007 - spiedigitallibrary.org
Optical topography (OT) relies on the near infrared spectroscopy (NIRS) technique to
provide noninvasively a spatial map of functional brain activity. OT has advantages over …

Use of intrinsic optical signals to monitor physiological changes in brain tissue slices

PG Aitken, D Fayuk, GG Somjen, DA Turner - Methods, 1999 - Elsevier
Optical imaging techniques have the potential to bring a combination of high spatial and
temporal resolution to studies of brain function. Many optical techniques require the addition …

Real-time imaging of human brain function by near-infrared spectroscopy using an adaptive general linear model

AF Abdelnour, T Huppert - Neuroimage, 2009 - Elsevier
Near-infrared spectroscopy is a non-invasive neuroimaging method which uses light to
measure changes in cerebral blood oxygenation associated with brain activity. In this work …

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 …