Speckle contrast is a promising approach to assessing blood flow, developed to capture images of laser light scattered from blood vessels with affordable optical sensors and components. The study ...

Dementia has long been framed as a slow, irreversible loss of neurons, but a new line of research is shifting attention to the blood vessels that feed the brain. Scientists are now testing whether ...

Caltech and the Keck School of Medicine of USC have developed a new laser-based headset device that can noninvasively measure blood flow and volume. Caltech postdoctoral scholar Simon Mahler is shown ...