A few days ago, I was visiting a new coffee shop in an unfamiliar neighborhood. In line to place my order, a polite stranger in front turned around, nodded at me, and said, "Hello." In that otherwise ...

Anne Cleary is a member of the American Psychological Association Council of Representatives. Starting in the late 1800s, many theories began to emerge regarding what might cause déjà vu, which means ...

The experience of déjà vu is both fascinating and unsettling—a fleeting moment where you feel as if you’ve lived through a situation before, even though you know it’s happening for the first time. For ...