The oddities of social life—and our efforts to cooperate and coordinate—may turn on our assumptions about the knowledge we share.

Steven Pinker, the eminent linguist and psychologist, muses on what happens when knowledge is, or isn’t, shared.

Our ability to store information about familiar objects depends on the connection between visual and language processing regions in the brain, according to a new study. Our ability to store ...

Dialogue with adults may lead to stronger pathways between two brain regions. Adults who hold back-and-forth conversations with young children rather than just talking to them may be helping to ...