Picture the last conversation you had with a friend. Maybe it was over Sunday brunch, drinks after work, or just a quick phone call. The conversation flowed — comments, quips, and questions came one right after another. To us, this type of back-and-forth feels effortless, but to neuroscientists, it has been puzzling for decades. Everyday conversation consists of two main processes working in rapid alternation: speech comprehension (listening) and production (speaking). Focusing on how the...