In five healthy human subjects, near-infrared spectroscopy (NIRS) and positron emission
tomography (PET) examinations were performed simultaneously. Changes in [oxy …

Near-infrared spectroscopy (NIRS) enables continuous non-invasive quantification of blood
and tissue oxygenation, and may be useful for quantification of cerebral blood volume (CBV) …

Near infrared spectroscopy (NIRS) has recently been used in functional activation studies as
a non-invasive tool to monitor changes in cerebral oxygenation in human adults 1–6. If NIRS …

Changes in optical properties of biological tissue can be examined by near-infrared
spectroscopy (NIRS). The relative transparency of tissues including the skull to near-infrared …

Near-infrared spectroscopy (NIRS) is a non-invasive optical technique which has been
successfully used to register substantial cerebral ischemia. There are indications that NIRS …

Near-infrared spectroscopy (NIRS) is an optical method which allows non-invasive in vivo
measurements of concentration changes of oxygenated hemoglobin (O2Hb) and …

1. Introduction fNIRS is a device designed to detect changes in the concentration of
oxygenated (oxyHb) and deoxygenated (deoxyHb) haemoglobin molecules in the blood, a …

In healthy human adults, cerebral concentrations of oxygenated hemoglobin ([HbO 2]) and
deoxygenated hemoglobin ([HbR]) were assessed during brain activation using near …

Abstract Near Infrared Spectroscopy (NIRS) is an optical technique that measures tissue
absorbance of light at several wavelengths in the 700-1000 nm spectral region. From the …

Near‐infrared spectroscopy (NIRS), a noninvasive optical technique, can measure changes
in hemoglobin (Hb) concentrations in brain tissue. Jöbsis first described the in vivo …