Face-coding algorithms help teachers learn from students’ facial expressions. They can know when students are confused or struggling with a concept, and even gauge the expressions of autistic children. Facial coding also improves online education. Advanced neural headsets will allow teachers to actually “read” students’ minds — a red beeping light warns of students whose focus and attention have dropped below acceptable levels.
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Affectiva, a start-up from MIT’s media lab uses its software, called Affdex to help understand the facial expressions of autistic students. With over one billion facial expressions in its database, the software analyzes facial cues to determine underlying emotions.