Part 1 of the TED Radio Hour episode Wired For Altruism.
About Abigail Marsh's TED Talk
When Abigail Marsh was 19, a complete stranger risked his life to save her from a car accident. Today, she studies what motivates us to help others — and why some of us are "extraordinary" altruists.
About Abigail Marsh
Abigail Marsh is a professor in the department of psychology and the interdisciplinary neuroscience program at Georgetown University. Her work focuses on social and affective neuroscience — researching the motivations of people who do extremely altruistic things. Through brain imaging, she studies whether some of us are wired to be more altruistic than others.