Figure 1 (IMAGE) Arizona State University Caption The illustration shows the cell types and brain regions affected by six different neurodegenerative diseases: Friedreich's ataxia (purple); Huntington's disease (blue); frontotemporal dementia (yellow); amyotrophic lateral sclerosis (ALS), also known as motor neuron disease (MND) or Lou Gehrig's disease (green); Parkinson's disease (orange); and Alzheimer's disease (pink). Credit Graphic by Shireen Dooling Usage Restrictions None License Original 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.