Degeneration of brain tissue (IMAGE) Human Brain Project Caption Progressive degeneration of brain tissue in a Parkinson’s disease patient. Credit Image adapted from Pieperhoff et al. 2022. (CC BY 4.0) Usage Restrictions Credit must be given to the creator. License CC BY 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.