Spike Distributions for Neurons (IMAGE) Salk Institute Caption Spike distributions for neurons responding to two features can have shapes that are difficult to understand. Credit Image: Courtesy of Dr. Tatyana Sharpee, Salk Institute for Biological Studies Usage Restrictions News media reproduction to illustrate this story permitted with proper attribution as provided above. For one time use only. 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.