Abstract
Near-infrared spectroscopy (NIRS) in functional research of prefrontal cortex.
Highlights
Functional near-infrared spectroscopy uses specific wavelengths of light to provide measures of cerebral oxygenated and deoxygenated hemoglobin that are correlated with the functional magnetic functional imaging BOLD signal. fNIRS has emerged during the last decade as a promising non-invasive neuroimaging tool and has used to monitor various types of brain activities during motor and cognitive tasks with increasing interest from research communities
The results demonstrate that fNIRS is sensitive to both cognitive load and state (Herff et al, 2014)
Interesting, almost identical findings are reported by another group of scientists (Fishburn et al, 2014). These findings strongly indicate the fNIRS-measured prefrontal activity to discriminate cognitive states in real life
Summary
Functional near-infrared spectroscopy (fNIRS) uses specific wavelengths of light to provide measures of cerebral oxygenated and deoxygenated hemoglobin that are correlated with the functional magnetic functional imaging (fMRI) BOLD signal. fNIRS has emerged during the last decade as a promising non-invasive neuroimaging tool and has used to monitor various types of brain activities during motor and cognitive tasks with increasing interest from research communities. (2015) Near-infrared spectroscopy (NIRS) in functional research of prefrontal cortex. FNIRS is useful for studying brain activity under more “natural” and much more variable conditions though it can only monitor cortical regions with less spatial resolution (usually in the centimeter range).
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