Smiling Faces Trigger Mimicry, and Make Us Trust Them More

Summary: People instinctively mimic others’ facial expressions, but new research shows we do this far more with joyful faces than with sadness or anger—and that the intensity of mimicry predicts…

Brain Circuits Show Why Friends’ Lies Are Easier to Believe

Summary: Researchers explored how people process deception from friends versus strangers, using brain imaging to study decision-making in gain and loss contexts. Volunteers were more likely to believe lies in…