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The technology to read student's emotional expressions we can choose the Beckman institute for Advancd Science at the Univeersity of lllinois . It will be good if we can developed that improves accuracy in perceiving the emotions of others. I think we can actually "calculate" emotions but it different way

like math homework . There are six classified basic emotions - happiness, surprise , anger, disgust, fear, and sadness-and then associeted each with characteristic movement of the facial muscles . For example , your frontails parts muscle (above your eyes ) raises your eyebrows when you're suprised ;your orbicularis oris (around your mouth ) tightens your lips to show anger . In facts , we humans perform this same impressive "calculation " every day . For instance , you can probably tell how a friend is feeling simply by the look on her face . Of course, most of us would have trouble actually describing each facial trait that conveys happy , woried etc. For example, if you smile when a Web ad appears on your screen , a similar ad follow . But if you frown , the next ad will be different ." A classroom computer could recongnize when a student is becoming cnfused or bored." Then it could modify the lesson, like an effective human instructor.

Score: 2