Science Illustration (IMAGE) Salk Institute Caption A representation of cell diversity in the brain. Individual nuclei are colored in the bright hues of t-SNE plots used in epigenomics analysis to distinguish individual brain cell types. Layers of background color suggest extrinsic factors that influence cell function. Credit Michael Nunn, Salk Institute Usage Restrictions with credit and related coverage. 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.