Dr. Ralph Greenspan

Biography

Ralph J. Greenspan has focused on the genetic basis of behavior and brain function in fruit flies (Drosophila melanogaster). He has been a prominent figure in this field since its inception, collaborating with founders like Jeffery Hall at Brandeis University. He obtained his Ph.D. in biology in 1979 and is currently the Director of the Center for Brain Activity Mapping at the Kavli Institute for Brain and Mind at the University of California, San Diego. In his research, he employs innovative techniques such as light-field microscopy to examine the brain's activity during cognitive tasks in flies. His work has significantly contributed to understanding how specific brain regions activate during the formation and decay of visual memory traces, particularly in the context of distracting stimuli. In 2011, he was part of a small team of scientists who produced a white paper for the White House Office of Science and Technology Policy, leading to the establishment of the BRAIN Initiative, and in 2014, he became the Co-Director of the Cal-BRAIN program. Along with numerous research papers, he has authored significant texts such as 'Fly Pushing: Theory and Practice of Drosophila Genetics' and 'Introduction to Nervous Systems'.

Research Interests