Aron Lab -- EEG (IMAGE) University of California - San Diego Caption The study analyzes signals from the scalp in healthy volunteers as well as signals from electrode implants in the brains of people with Parkinson's disease. Credit Photo by Nathalie Belanger. Usage Restrictions Only with reporting on this study, the Aron Lab. 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.