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Doppler OCT Measures Cocaine’s Impact on Brain

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A variant of optical coherence tomography has provided the first images of blood flow disruption in the brain caused by cocaine use. In a study involving mice repeatedly injected with cocaine over a 30-day period, researchers from Stony Brook University and the National Institutes of Health documented dramatic drops in blood flow speed, as well as microischemia, a precursor to a stroke. The researchers used optical coherence Doppler tomography (ODT) to produce the blood-flow images. In this technique, laser light hits the moving blood cells and bounces back. Determining the...Read full article

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    Published: August 2014
    Glossary
    optical coherence tomography
    Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture high-resolution, cross-sectional images of biological tissues. It provides detailed, real-time, and three-dimensional visualization of tissue structures at the micrometer scale. OCT is particularly valuable in ophthalmology, cardiology, dermatology, and various other medical specialties. Here are the key features and components of optical coherence tomography: Principle of...
    AmericasBiophotonicscocaineImagingLasersNational Institutes of HealthOCToptical coherence tomographyResearch & TechnologyStony Brook UniversityODToptical coherence Doppler tomographyYingtian PanBioScan

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