Microbubbles and Focused Ultrasound (IMAGE) The Journal of Visualized Experiments Caption A researchers uses an MRI machine to guide the focus ultrasound used to disrupt specific areas of the blood-brain barrier. Credit © <I>The Journal of Visualized Experiments</I> Usage Restrictions This image may not be used without appropriate caption and credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.