Seeing right through you: applications of optical imaging to the study of the human brain
A new set of techniques allows for the study of brain function by near‐infrared light,
exploiting two optical phenomena: Changes in light absorption are determined by changes …
exploiting two optical phenomena: Changes in light absorption are determined by changes …
Characterization of the near infrared absorption spectra of cytochrome aa3 and haemoglobin for the non-invasive monitoring of cerebral oxygenation
S Wray, M Cope, DT Delpy, JS Wyatt… - Biochimica et Biophysica …, 1988 - Elsevier
Near infrared (IR) spectroscopy can give continuous, direct information about cerebral
oxygenation in vivo by providing signals from oxygenated and deoxygenated haemoglobin …
oxygenation in vivo by providing signals from oxygenated and deoxygenated haemoglobin …
Near‐infrared study of fluctuations in cerebral hemodynamics during rest and motor stimulation: Temporal analysis and spatial mapping
V Toronov, MA Franceschini, M Filiaci… - Medical …, 2000 - Wiley Online Library
We have noninvasively studied the motor cortex hemodynamics in human subjects under
rest and motor stimulation conditions using a multichannel near‐infrared tissue …
rest and motor stimulation conditions using a multichannel near‐infrared tissue …
Determination of the blood oxygenation in the brain by time-resolved reflectance spectroscopy: contribution of vascular absorption and tissue background absorption
H Liu, AH Hielscher, B Beauvoit… - Biochemical …, 1994 - ui.adsabs.harvard.edu
The possibility of measuring the blood oxygenation in the brain with near infrared light has
been studied. The goal of this study was to quantify the influence of different brain layers on …
been studied. The goal of this study was to quantify the influence of different brain layers on …
In situ measurements of brain tissue hemoglobin saturation and blood volume by reflectance spectrophotometry in the visible spectrum
JC LaManna - Journal of Biomedical Optics, 2007 - spiedigitallibrary.org
Before the development of near-infrared spectroscopy (NIRS) for monitoring of hemoglobin
and cytochromes in situ, the Jöbsis laboratory designed a visible light reflectance …
and cytochromes in situ, the Jöbsis laboratory designed a visible light reflectance …
Time-resolved optical imager for assessment of cerebral oxygenation
A time-resolved optical instrument allowing for noninvasive assessment of cerebral
oxygenation is presented. The instrument is equipped with picosecond diode lasers, fast …
oxygenation is presented. The instrument is equipped with picosecond diode lasers, fast …
Modelling of light propagation in the adult head for optical brain function mesurement
E Okada - Biocybernetics and Biomedical Engineering, 2002 - infona.pl
Near infrared (NIR) spectroscopy and imaging are now established techniques for
measurements of change in oxygenation and haemo-dynamics within the brain. However …
measurements of change in oxygenation and haemo-dynamics within the brain. However …
Cortical blood oxygenation changes in the left and right occipital area induced by selective visual stimuli in humans
WNJM Colier, V Quaresima, R Wenzel… - Oxygen Transport to …, 1999 - Springer
In the last few years near infrared spectroscopy (NIRS) has become a more widespread tool
to map the human brain function, in particular the motor cortex areas (Gratton et al., 1995; …
to map the human brain function, in particular the motor cortex areas (Gratton et al., 1995; …
Effect of scattering on spectral imaging of exposed cortical tissue for brain function measurement
M Watanabe, K Yokoyame, K Honjo, E Okada - Optical review, 2003 - Springer
Optical imaging of an exposed cortex for brain function measurement is an attractive method
for both clinical and physiological investigations. Spectral imaging of the exposed cortical …
for both clinical and physiological investigations. Spectral imaging of the exposed cortical …
Practicality of wavelength selection to improve signal-to-noise ratio in near-infrared spectroscopy
Near-infrared spectroscopy (NIRS), which can be used to detect changes in the
concentration of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy …
concentration of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy …