Marble Hand (image) Bielefeld University Caption As if one's hand were made of marble: Bielefeld neuroscientists successfully deceive participants about their body perceptions. Credit Senna & Parise Usage Restrictions Image may only be used with appropriate caption or credit. 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.