Donald T. was not like other 5-year-old boys. Leo Kanner knew that the moment he read the 33-page letter from Donaldʼs father that described the boy in obsessive detail as “happiest when he was alone… drawing into a shell and living within himself… oblivious to everything around him.”

Having the flu during pregnancy can be unpleasant and exhausting. But can it affect fetal brain development and cause autism-like disorders? Intriguing new research says yes ― at least in mice.

Along with answering fundamental questions about mammalian brain organization, watching interneurons’ “handshake” with other brain cells is the key to understanding autism, says Gordon Fishell.

Stylianos Antonarakis still vividly remembers the thorny statistical problem that had vexed him for several months in 1982. Antonarakis, then a postdoctoral fellow at Johns Hopkins University, had turned to his colleagues at Hopkins, but none of them had been able to solve the problem.