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Nancy Segal
Nancy Segal

Nancy Segal

Professor of Psychology, California State University, Fullerton & Director, Twin Studies Center

Nancy Segal is a professor of psychology at California State University, Fullerton and the director of the Twin Studies Center, which she founded in 1991. Segal has authored approximately 200 scientific articles and book chapters on the study of genetics and twins. She has also published many books on the subject of twin research, including, “Born Together-Reared Apart: The Landmark Minnesota Twin Study,” “Twin Mythconceptions: False Beliefs, Fables, and Facts About Twins,” and her most recent, “Accidental Brothers: The Story of Twins Exchanged at Birth and the Power of Nature and Nurture.”

More About Nancy Segal

“Twins tell us about our humanity - who we are and where we came from, says Nancy Segal. In her fascinating and entertaining talk, we learn that genes play a much bigger role in our decisions and behaviour than scientists previously believed.”

Friday, December 8, 2017

“There is a method in twin research called co-twin control. It happens naturally, experimentally, or by chance when two identical twins have different experiences. In fact, every identical twin pair is a “mini-experiment,” because their environments before and after birth are not exactly the same.”

Monday, July 17, 2017

“Studying twins has long offered insight into the interplay of nature and nurture. Epigenetics is the next frontier.”

Tuesday, May 15, 2018