Facial expressions arise from brain networks that encode slow, context-rich meaning and fast muscle control on different time scales, keeping smiles and threats socially precise.

An analysis of brain scans from 572 people reveals that activity in brain regions linked to reward and social processing can predict how effective messages will be. Christin Scholz, Hang-Yee Chan, ...

April 29 -- TUESDAY, April 28 (HealthDay News) -- Researchers used a simple brain-computer interface to post a message on the social networking Web site Twitter, an achievement that shows the ...

The results of this decades-long study offer a powerful message of hope: we are not helpless against the passage of time. By ...