Diffuse optical imaging of the whole head

MA Franceschini, DK Joseph… - … of biomedical optics, 2006 - spiedigitallibrary.org
Near-Infrared Spectroscopy (NIRS) and diffuse optical imaging (DOI) are increasingly used
to detect hemodynamic changes in the cerebral cortex induced by brain activity. Until …

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 …

A spread spectrum approach to time-domain near-infrared diffuse optical imaging using inexpensive optical transceiver modules

KI Papadimitriou, LA Dempsey, JC Hebden… - Biomedical Optics …, 2018 - opg.optica.org
We introduce a compact time-domain system for near-infrared spectroscopy using a spread
spectrum technique. The proof-of-concept single channel instrument utilises a low-cost …

Non-contact in vivo diffuse optical imaging using a time-gated scanning system

M Mazurenka, L Di Sieno, G Boso, D Contini… - Biomedical optics …, 2013 - opg.optica.org
We report on the design and first in vivo tests of a novel non-contact scanning imaging
system for time-domain near-infrared spectroscopy. Our system is based on a null source …

Functional near infrared spectroscopy: enabling routine functional brain imaging

MA Yücel, JJ Selb, TJ Huppert, MA Franceschini… - Current opinion in …, 2017 - Elsevier
Abstract Functional Near-Infrared Spectroscopy (fNIRS) maps human brain function by
measuring and imaging local changes in hemoglobin concentrations in the brain that arise …

The fast optical signal—robust or elusive when non-invasively measured in the human adult?

J Steinbrink, FCD Kempf, A Villringer, H Obrig - Neuroimage, 2005 - Elsevier
Near infrared spectroscopy (NIRS) can detect vascular changes in cerebral cortical tissue
elicited by functional stimulation. For some 10 years, another optical signal has been …

Detection of optical neuronal signals in the visual cortex using continuous wave near-infrared spectroscopy

B Sun, L Zhang, H Gong, J Sun, Q Luo - Neuroimage, 2014 - Elsevier
Near-infrared spectroscopy (NIRS) measures slow hemodynamic signals noninvasively to
indirectly infer the neuronal activity in the brain. However, it remains a controversy on …

Dynamic phantom with two stage-driven absorbers for mimicking hemoglobin changes in superficial and deep tissues

T Funane, H Atsumori, M Kiguchi… - … of biomedical optics, 2012 - spiedigitallibrary.org
In near-infrared spectroscopy (NIRS) for monitoring brain activity and cerebral functional
connectivity, the effect of superficial tissue on NIRS signals needs to be considered …

Toward noninvasive optical human brain mapping: improvements of the spectral, temporal, and spatial resolution of near-infrared spectroscopy

HR Heekeren, R Wenzel, H Obrig… - … and spectroscopy of …, 1997 - spiedigitallibrary.org
Near-infrared spectroscopy (NIRS) can detect changes in cerebral hemoglobin oxygenation
in response to motor, visual or cognitive stimulation. This study explored potential …

[HTML][HTML] Neurophotonics: non-invasive optical techniques for monitoring brain functions

A Torricelli, D Contini, A Dalla Mora, A Pifferi… - Functional …, 2014 - ncbi.nlm.nih.gov
The aim of this review is to present the state of the art of neurophotonics, a recently founded
discipline lying at the interface between optics and neuroscience. While neurophotonics …