text: Dr. Eckman classified six basic emotions- happiness, anger, sadness, fear, disgust, and surprise. Based on one's facial muscle movements his invention can detect what one's emotions truly are. Dr Huang stated that "A classroom computer could recognize when a student is becoming bored or confused". This could help teachers know that they need to change their lesson to make it more entertaining for the student or make the lesson a little easier or more in depth.