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R. Douglas Fields, Ph.D. is a neuroscientist and an international authority on brain development, neuron-glia interactions, and the cellular mechanisms of memory. He is head of a laboratory on nervous system development and plasticity in Bethesda, MD, and Adjunct Professor at the University of Maryland, College Park, in the Neuroscience and Cognitive Sciences Program. Dr. Fields has published over 150 studies in scientific journals and books from his experimental research on the brain. He is author of two popular science books for the general reader: "Why We Snap," about the neuroscience of sudden aggression, published by Penguin/Dutton, and "The Other Brain," which is about brain cells (glia) that communicate without using electricity. He holds degrees from UC Berkeley, San Jose State University, UC San Diego, and he was a postdoctoral fellow at Stanford and Yale Universities before joining the NIH in 1987.