Genetic Engineering & Biotechnology News reports that researchers headed by teams at the University of Southern California Neurorestoration Center and at California Institute of Technology (Caltech) have built a simple, noninvasive tool for measuring blood flow in the brain—critical for understanding response to a range of neurological problems, including stroke, traumatic brain injury (TBI) and vascular dementia. The tool is based on a technique known as speckle contrast optical spectroscopy (SCOS), which is currently used in animal studies and has been adapted for potential clinical use in humans. Co-author Jonathan Russin, M.D., now professor and chief of neurosurgery at the University of Vermont, continues to collaborate with the USC Neurorestoration Center.

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