Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Functional_near-infrared_spectroscopy> ?p ?o }
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- Functional_near-infrared_spectroscopy abstract "Functional Near-Infrared Spectroscopy (fNIR or fNIRS), is the use of NIRS (near-infrared spectroscopy) for the purpose of functional neuroimaging. Using fNIR, brain activity is measured through hemodynamic responses associated with neuron behavior.fNIR is a non-invasive imaging method involving the quantification of chromophore concentration resolved from the measurement of near infrared (NIR) light attenuation, temporal or phasic changes. NIR spectrum light takes advantage of the optical window in which skin, tissue, and bone are mostly transparent to NIR light in the spectrum of 700-900 nm, while hemoglobin (Hb) and deoxygenated-hemoglobin (deoxy-Hb) are stronger absorbers of light. Differences in the absorption spectra of deoxy-Hb and oxy-Hb allow the measurement of relative changes in hemoglobin concentration through the use of light attenuation at multiple wavelengths. Two or more wavelengths are selected, with one wavelength above and one below the isosbestic point of 810 nm at which deoxy-Hb and oxy-Hb have identical absorption coefficients. Using the modified Beer-Lambert law (mBLL), relative concentration can be calculated as a function of total photon path length. Typically the light emitter and detector are placed ipsilaterally on the subjects skull so recorded measurements are due to back-scattered (reflected) light following elliptical pathways.The use of fNIR as a functional imaging method relies on the principle of neuro-vascular coupling also known as the Haemodynamic response or BOLD (Blood-Oxygenation-Level-Dependent) response. This principle also forms the core of fMRI techniques. Through neuro-vascular coupling, neuronal activity is linked to related changes in localized cerebral blood flow. fNIR and fMRI are sensitive to similar physiologic changes and are often comparative methods. Studies relating fMRI and fNIR show highly correlated results in cognitive tasks. fNIR has several advantages in cost and portability over fMRI, but cannot be used to measure cortical activity more than 4 cm deep due to limitations in light emitter power and has more limited spatial resolution. fNIR includes the use of Diffuse Optical Tomography (DOT/NIRDOT) for functional purposes.".
- Functional_near-infrared_spectroscopy thumbnail Oxy_and_Deoxy_Hemoglobin_Near-Infrared_absorption_spectra.png?width=300.
- Functional_near-infrared_spectroscopy wikiPageExternalLink cnl.beckman.illinois.edu.
- Functional_near-infrared_spectroscopy wikiPageExternalLink mrrainc.com.
- Functional_near-infrared_spectroscopy wikiPageExternalLink lab-NIRS%2801%29.php.
- Functional_near-infrared_spectroscopy wikiPageExternalLink biomedical_Research.php.
- Functional_near-infrared_spectroscopy wikiPageExternalLink NIRS.
- Functional_near-infrared_spectroscopy wikiPageExternalLink fnir.
- Functional_near-infrared_spectroscopy wikiPageExternalLink fnir-faq.
- Functional_near-infrared_spectroscopy wikiPageExternalLink www.fnirs.org.
- Functional_near-infrared_spectroscopy wikiPageExternalLink www.gowerlabs.co.uk.
- Functional_near-infrared_spectroscopy wikiPageExternalLink etg-4000.html.
- Functional_near-infrared_spectroscopy wikiPageExternalLink index.html.
- Functional_near-infrared_spectroscopy wikiPageExternalLink dot.html.
- Functional_near-infrared_spectroscopy wikiPageExternalLink 518934.
- Functional_near-infrared_spectroscopy wikiPageExternalLink technology.
- Functional_near-infrared_spectroscopy wikiPageExternalLink www.rogue-research.com.
- Functional_near-infrared_spectroscopy wikiPageExternalLink borl.
- Functional_near-infrared_spectroscopy wikiPageExternalLink chance.html.
- Functional_near-infrared_spectroscopy wikiPageID "3048061".
- Functional_near-infrared_spectroscopy wikiPageLength "15980".
- Functional_near-infrared_spectroscopy wikiPageOutDegree "24".
- Functional_near-infrared_spectroscopy wikiPageRevisionID "706706890".
- Functional_near-infrared_spectroscopy wikiPageWikiLink Beer–Lambert_law.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Brain–computer_interface.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Category:Neuroimaging.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Chromophore.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Cognitive_neuroscience.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Diffuse_optical_imaging.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Functional_magnetic_resonance_imaging.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Functional_neuroimaging.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Haemodynamic_response.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Hemoglobin.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Isosbestic_point.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Monte_Carlo_method.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Near-infrared_spectroscopy.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Near-infrared_window_in_biological_tissue.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Neuroimaging.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Optical_tomography.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Picosecond.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Tissue_Oxygenation_Index.
- Functional_near-infrared_spectroscopy wikiPageWikiLink Transillumination.
- Functional_near-infrared_spectroscopy wikiPageWikiLink File:Oxy_and_Deoxy_Hemoglobin_Near-Infrared_absorption_spectra.png.
- Functional_near-infrared_spectroscopy wikiPageWikiLinkText "Functional near-infrared spectroscopy (fNIR)".
- Functional_near-infrared_spectroscopy wikiPageWikiLinkText "Functional near-infrared spectroscopy".
- Functional_near-infrared_spectroscopy wikiPageWikiLinkText "NIRS".
- Functional_near-infrared_spectroscopy wikiPageWikiLinkText "fNIRS".
- Functional_near-infrared_spectroscopy wikiPageWikiLinkText "functional near-infrared spectroscopy".
- Functional_near-infrared_spectroscopy wikiPageUsesTemplate Template:Reflist.
- Functional_near-infrared_spectroscopy subject Category:Neuroimaging.
- Functional_near-infrared_spectroscopy hypernym Use.
- Functional_near-infrared_spectroscopy type Redirect.
- Functional_near-infrared_spectroscopy comment "Functional Near-Infrared Spectroscopy (fNIR or fNIRS), is the use of NIRS (near-infrared spectroscopy) for the purpose of functional neuroimaging. Using fNIR, brain activity is measured through hemodynamic responses associated with neuron behavior.fNIR is a non-invasive imaging method involving the quantification of chromophore concentration resolved from the measurement of near infrared (NIR) light attenuation, temporal or phasic changes.".
- Functional_near-infrared_spectroscopy label "Functional near-infrared spectroscopy".
- Functional_near-infrared_spectroscopy sameAs Q750537.
- Functional_near-infrared_spectroscopy sameAs Imagerie_spectroscopique_proche_infrarouge.
- Functional_near-infrared_spectroscopy sameAs Funkcionális_közeli_infravörös_spektroszkópia.
- Functional_near-infrared_spectroscopy sameAs NIRS脳計測装置.
- Functional_near-infrared_spectroscopy sameAs m.08n0k2.
- Functional_near-infrared_spectroscopy sameAs Q750537.
- Functional_near-infrared_spectroscopy wasDerivedFrom Functional_near-infrared_spectroscopy?oldid=706706890.
- Functional_near-infrared_spectroscopy depiction Oxy_and_Deoxy_Hemoglobin_Near-Infrared_absorption_spectra.png.
- Functional_near-infrared_spectroscopy isPrimaryTopicOf Functional_near-infrared_spectroscopy.