In the Test Tube Instead of Under the Knife (image) University of Freiburg Share Print E-Mail Caption A new MRI scanning method enables precise tracking of the route of nerve fibers. Credit Photo: Niels Schwaderlapp/Department of Radiology,Medical Physics. Usage Restrictions None Share Print E-Mail 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.