What is mental sharpness? A new study quantifies the productivity cost of "brain fog," revealing that sleep and pacing are ...

Researchers should be free to pursue lines of inquiry and the communication of knowledge and ideas without fear of repression or censorship. At the same time, they have the ethical obligation to ...

A type of activity in the brain’s cortex, called high gamma, is widely used in studies of brain function, but its origin has long been debated. An experiment using a brain–machine interface now shows ...