Author Archives: turner6

New Neurophotonics paper looking at agreement between methods for assessing cerebrovascular reactivity with diffuse optics

Posted on April 20, 2023 by turner6

Cerebrovascular reactivity (CVR), i.e., the ability of cerebral blood vessels to dilate or constrict in response to changes in blood oxygen content or neuronal demand, is a biomarker of vascular health. CVR assessment usually involves administration of a controlled vasoactive … Continue reading →

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New paper out on the influence of oversimplifying the head anatomy when using diffuse correlation spectroscopy to measure cerebral blood flow

Posted on March 31, 2023 by turner6

In our latest work in Neurophotonics, Hongting Zhao determines the influence of oversimplifying the head geometry on brain blood flow estimated with diffuse correlation spectroscopy (DCS). Due to the noninvasive nature of  DCS measurements, light must pass through extracerebral layers … Continue reading →

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New paper out on blood flow biomarkers in subarachnoid hemorrhage

Posted on March 31, 2023 by turner6

Check out our latest paper in Frontiers in Neurology. One of the common complications of non-traumatic subarachnoid hemorrhage (SAH) is secondary stroke known as delayed cerebral ischemia (DCI). Intrathecal (IT) administration of nicardipine, a calcium channel blocker, upon detection of … Continue reading →

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