Neurons Multicolor (IMAGE) Technische Universität Dresden Caption To investigate neurodegenerative diseases such as ALS and Parkinson's disease, scientists use induced pluripotent stem cells (iPS cells) Credit CRTD Usage Restrictions None License Licensed content 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.