Diffuse optical imaging using spatially and temporally modulated light

TD O'Sullivan, AE Cerussi, DJ Cuccia… - … of biomedical optics, 2012 - spiedigitallibrary.org
The authors describe the development of diffuse optical imaging (DOI) technologies,
specifically the use of spatial and temporal modulation to control near infrared light …

Illuminating the BOLD signal: combined fMRI–fNIRS studies

J Steinbrink, A Villringer, F Kempf, D Haux… - Magnetic resonance …, 2006 - Elsevier
Functional magnetic resonance imaging (fMRI) is currently combined with
electrophysiological methods to identify the relationship between neuronal activity and the …

[HTML][HTML] The physiological origin of task-evoked systemic artefacts in functional near infrared spectroscopy

E Kirilina, A Jelzow, A Heine, M Niessing, H Wabnitz… - Neuroimage, 2012 - Elsevier
A major methodological challenge of functional near-infrared spectroscopy (fNIRS) is its
high sensitivity to haemodynamic fluctuations in the scalp. Superficial fluctuations contribute …

A temporal comparison of BOLD, ASL, and NIRS hemodynamic responses to motor stimuli in adult humans

TJ Huppert, RD Hoge, SG Diamond, MA Franceschini… - Neuroimage, 2006 - Elsevier
In this study, we have preformed simultaneous near-infrared spectroscopy (NIRS) along with
BOLD (blood oxygen level dependent) and ASL (arterial spin labeling)-based fMRI during …

Spontaneous low frequency oscillations of cerebral hemodynamics and metabolism in human adults

H Obrig, M Neufang, R Wenzel, M Kohl, J Steinbrink… - Neuroimage, 2000 - Elsevier
We investigated slow spontaneous oscillations in cerebral oxygenation in the human adult's
visual cortex. The rationale was (1) to demonstrate their detectability by near infrared …

[PDF][PDF] Arterial and venous contributions to near-infrared cerebral oximetry

HM Watzman, CD Kurth, LM Montenegro, J Rome… - …, 2000 - researchgate.net
Background: Cerebral oximetry is a noninvasive bedside technology using near-infrared
light to monitor cerebral oxygen saturation (ScO2) in an uncertain mixture of arteries …

Improved solutions of the steady-state and the time-resolved diffusion equations for reflectance from a semi-infinite turbid medium

A Kienle, MS Patterson - JOSA A, 1997 - opg.optica.org
Improved solutions of the diffusion equation for time-resolved and steady-state spatially
resolved reflectance are investigated for the determination of the optical coefficients of semi …

Comparison of finite-difference transport and diffusion calculations for photon migration in homogeneous and heterogeneous tissues

AH Hielscher, RE Alcouffe… - Physics in Medicine & …, 1998 - iopscience.iop.org
We analyse the limits of the diffusion approximation to the time-independent equation of
radiative transfer for homogeneous and heterogeneous biological media. Analytical …

Effect of phenylephrine and ephedrine bolus treatment on cerebral oxygenation in anaesthetized patients

L Meng, M Cannesson, BS Alexander… - British journal of …, 2011 - academic.oup.com
Background How phenylephrine and ephedrine treatments affect global and regional
haemodynamics is of major clinical relevance. Cerebral tissue oxygen saturation ()-guided …

Predicting response to breast cancer neoadjuvant chemotherapy using diffuse optical spectroscopy

A Cerussi, D Hsiang, N Shah… - Proceedings of the …, 2007 - National Acad Sciences
Diffuse optical spectroscopy (DOS) and imaging are emerging diagnostic techniques that
quantitatively measure the concentration of deoxy-hemoglobin (ctHHb), oxy-hemoglobin …