The SNpc (IMAGE) Rockefeller University Caption Parkinson's disease is caused by the loss of dopamine-producing neurons in a midbrain region called the substantia nigra pars compacta (SNpc). Above, the SNpc dopamine neurons of a mouse brain appear in yellow. Credit Laboratory of Molecular and Cellular Neuroscience at The Rockefeller University/<em>Nature Neuroscience</em> Usage Restrictions Image may only be used to illustrate the research described in the accompanying release. 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.