In 1991, Shaka Senghor shot and killed a man, and spent 19 years in prison for his crime. He talks with neuroscientist Daniel Reisel about the challenge of rehabilitating in prison — and why it’s so important to restore people to society.

Ok, not exactly. But the possibility has been floated by some scientists investigating neurogenesis, the idea that new neurons are generated in the human brain throughout life. Daniel Reisel explores the impact this new understanding might have on things like our criminal justice system in a new book, “Rewiring Our Reality.”