On uncontrollable urges, Oliver Sacks’s last article

Royal Library, Windsor Castle. Detail of a drawing by Leonardo da Vinci, circa 1510–1511 Walter B., an affable, outgoing man of forty-nine, came to see me in 2006. As a teenager, following a head injury, he had developed epileptic seizures—these first took the form of attacks of déjà vu that might occur dozens of times […]