t the 1961 American Medical Association meeting in New York, the AMA demonstrated the latest advancements in medical knowledge with a super-sized model of the brain. Sponsored by a pharmaceutical company, the mammoth mind’s sequential blinking lights showed how our grey matter processes information, symbolizing the recent revolution in the treatment of mental illness. With the debut of Librium the year before, doctors abandoned lobotomies, helped reduce asylum populations by nearly 65 percent, and turned mood-altering drugs into a multibillion-dollar industry.