View full lesson: ed.ted.com/lessons/diagnosing-zombies-brain-and-behavior-tim-verstynen... How are different brain stimulations involved with human behaviors--and how can observing a zombie help us understand the brain? In the second part of the Diagnosing Zombies series, two scientists continue to ponder the erratic behaviors of a zombie to explore the relationship between the brain and behavior. Lesson by Tim Verstynen & Bradley Voytek, animation by TED-Ed.