1. Imaging of blood flow reveals effects of drug use

    Imaging of blood flow reveals effects of drug use

    maging techniques that can reveal the direct effects of drugs on blood flow in the brain are a key to understanding the physiological underpinnings of drug abuse, and hence a potential route to superior treatments. Optical coherence Doppler tomography (ODT) is one promising answer, able to deliver quantitative visual information about the behavior of blood vessels, and provide valuable functional data about what happens to them under different stimuli and conditions. Researchers at Stony Brook University , New York, and the National Institutes of Health have now used the technique to image the effect of cocaine on cerebral blood flow in ...

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