Paul Greengard

Paul Greengard was an American neuroscientist who won the Nobel Prize in Physiology or Medicine in 2000 for his research on how nerve cells communicate. His work focused on the roles of neurotransmitters and how they influence brain activity and behavior. Greengard discovered molecules called protein kinases that affect cell signaling, which is crucial for understanding processes like learning, memory, and mood regulation. His findings have implications for treating various neurological disorders, including Parkinson's disease and depression, making significant contributions to the fields of neuroscience and pharmacology.