Contact: Lyndsay Meyer
The Optical Society
Caption: The webcam setup (right) is just about as effective as the more expensive CCD camera setup (left) at showing the reduction in blood flow following a stroke. The green circle shows the stroke's affected area.
Credit: Andrew Dunn, University of Texas - Austin
Usage Restrictions: Must include caption and credit
Related news release: Scientists rig hospital-grade lightweight blood flow imager on the cheap