Example of Silk Implant Used in the Study (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption Silk implants designed to release adenosine were placed into rat brains to stop the spread of epilepsy. Credit Image courtesy of Dr. Detlev Boison, from Legacy Research Institute and OHSU. Usage Restrictions For educational purposes only. 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.