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 …

Effects of measurement method, wavelength, and source-detector distance on the fast optical signal

G Gratton, CR Brumback, BA Gordon, MA Pearson… - Neuroimage, 2006 - Elsevier
Fast optical signals can be used to study the time course of neuronal activity in localized
cortical areas. The first report of such signals [Gratton, G., Corballis, PM, Cho, E., Fabiani, M …

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 …

Bilateral prefrontal cortex oxygenation responses to a verbal fluency task: a multichannel time-resolved near-infrared topography study

V Quaresima, M Ferrari, A Torricelli… - … of biomedical optics, 2005 - spiedigitallibrary.org
The letter-fluency task-induced response over the prefrontal cortex is investigated bilaterally
on eight subjects using a recently developed compact, eight-channel, time-resolved, near-IR …

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 …

Adaptive filtering for global interference cancellation and real-time recovery of evoked brain activity: a Monte Carlo simulation study

Q Zhang, EN Brown… - Journal of biomedical …, 2007 - spiedigitallibrary.org
The sensitivity of near-infrared spectroscopy (NIRS) to evoked brain activity is reduced by
physiological interference in at least two locations: 1. the superficial scalp and skull layers …

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 …

Human visual cortical function during photic stimulation monitoring by means of near-infrared spectroscopy

T Kato, A Kamei, S Takashima… - Journal of Cerebral …, 1993 - journals.sagepub.com
Near-infrared spectroscopy (NIRS) was used to monitor human visual cortical function
during and after photic stimulation (PS) in five adult volunteers. Cerebral blood volume …

Further improvement in reducing superficial contamination in NIRS using double short separation measurements

L Gagnon, MA Yücel, DA Boas, RJ Cooper - Neuroimage, 2014 - Elsevier
Abstract Near-Infrared Spectroscopy (NIRS) allows the recovery of the evoked
hemodynamic response to brain activation. In adult human populations, the NIRS signal is …

High-resolution optical imaging of functional brain architecture in the awake monkey.

A Grinvald, RD Frostig, RM Siegel… - Proceedings of the …, 1991 - National Acad Sciences
Optical imaging of the functional architecture of cortex, based on intrinsic signals, is a useful
tool for the study of the development, organization, and function of the living mammalian …