Measuring blood flow in the brain is critical for understanding response to a range of neurological problems, including stroke, traumatic brain injury (TBI) and vascular dementia. Obtaining such ...

Setup of the laser speckle contrast optical spectroscopy system used to monitor scalp and brain blood flow during temporary blockage of a major scalp artery near the temple. WASHINGTON, Oct. 21, 2025 ...

Researchers at the National Institute of Standards and Technology (NIST) have developed an optical system that accurately measures the flow of extraordinarily tiny amounts of liquids — as small as 10 ...

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