Dogs know if we’re happy, sad or scared just from our expressions, study suggests

Trained pet dogs remained awake during fMRI scans at the Medical Imaging Centre of Semmelweis University in Budapest as researchers measured their brain activity while they viewed images of human faces expressing happiness, anger, fear and sadness. - Laura V. Cuaya It's something every dog owner knows — but now we have the science to prove it: Dogs really can tell when we're happy or sad. Scientists have scanned the brains of dogs to reveal how they process various human expressions, including h…