Is that smile real or fake?
Do you smile when you're frustrated? Most people think they don't -- but they actually do, a new study from MIT has found. What's more, it turns out that computers programmed with the latest information from this research do a better job of differentiating smiles of delight and frustration than human observers do. The research could pave the way for computers that better assess the emotional states of their users and respond accordingly. It could also help train those who have difficulty interpreting expressions, such as people with autism, to more accurately gauge the expressions they see.
Read more: http://web.mit.edu/newsoffice/2012/smile-detector-0525.html
Video: Melanie Gonick