How Our Brain Judges People In A Split Second

Friend or foe? In a fraction of a second, our brain forms an impression of a person based on their facial expressions and voice. And artificial intelligence is getting better and better at interpreting human emotions.
Faces and voices are the first impressions we get of people we don’t know. In less than half a second, we decide whether we like or trust a person, and how intelligent we think they are. That’s thanks to the astonishing processing power of our brains. We learn to read facial expressions as babies, and as we grow older we continue to interpret emotions according to facial expressions. The voice also plays a crucial role: speed, syntax, tone, and phonetics all provide information about what a person is feeling. 

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