Neuroscience
功能性近红外光谱
Functional near-infrared spectroscopyA non-invasive optical imaging technique used to measure changes in blood oxygenation levels in the brain, often used to study brain activity during cognitive tasks. / 一种非侵入性光学成像技术，用于测量大脑血氧水平的变化，常用于研究认知任务期间的大脑活动。
- Knowledge type
- 物理设备
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-05 22:06:20
Sub-knowledge points
Hemodynamic responseOxyhemoglobin and deoxyhemoglobin measurementPortable brain imaging
Higher-order knowledge points
Main parameters and performance indicators
wavelength: typically 660 nm and 850 nmsource-detector distance: determines spatial resolutionsampling rate: determines temporal resolution
Open problems
Optical scattering and absorption in tissueSpatial resolution limitationsDepth sensitivity
Related literature
ranked by community starsCharacteristics of visual search and prefrontal brain activity in individuals with autism spectrum disorder: functional near-infrared spectroscopy studyOpen source
Related products and links
fNIRS systemfNIRS cap
Creation and modification trail
1 recordsRecord title: Functional near-infrared spectroscopy.
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