Peter Snyder, Ph.D., Lifespan (IMAGE) Lifespan Caption Peter Snyder, Ph.D., vice president of research for Lifespan, shows Charles Darwin's work involving the recognition of emotional expression may be the first example of a prospective single-blind study in this area, and has direct implications to current work today in the areas of schizophrenia, autism spectrum disorder and other neuropsychiatric conditions. "No one in the past 500 years has done more to shape modern biological science," Snyder says. Credit Lifespan Usage Restrictions Full name and Lifespan title, with a link to the release on his research. 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.