On Sept. 14, 2000, at the age of 72, Lester Schwartz, a psychoanalyst working in New York City, underwent a simple operation for a benign fatty tumor in his stomach. He woke up the next morning in the ...

For over 150 years, neuroscientists have known that a small region in the left frontal lobe—Broca's area—plays a crucial role in speech production. Named after French physician Paul Broca, who ...