Brain Sensor (image) NIH/National Institute of Biomedical Imaging & Bioengineering Share Print E-Mail Caption This implantable sensor, shown next to a US quarter for size comparison, may someday allow wireless, thought-based control of advanced prosthetics. Credit Source: David Borton, Ph.D., Brown University Usage Restrictions Please credit image source. Image is not in the public domain. 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.