: yeah. >> rose: "he's engaged." >> pantic: yes. >> rose: "he's faking it." >> pantic: yeah. >> rose:at. >> pantic: ( laughs ) yeah. >> rose: since humans mostly communicate with gestures and expressions, she uses sensors to track movement on the face. her software then helps the machine interpret it. >> patnic: what we see here is actually the points. >> rose: pantic's technology has been trained on more than 10,000 faces. the more it sees, the more emotions it will be able to identify. it might even pick up on things in our expressions that humans can't see. >> pantic: certain expressions are so brief that we simply do not see them consciously. there are some studies saying that, for example, people who are suicidal, have suicidal depression and plan suicide, when the doctors ask them about that, usually they have a very brief expression of horror and fear. but so brief that the doctor cannot actually... >> rose: may not see it. >> pantic: ...consciously notice it. >> rose: but a machine might see it? >> pantic: yes. >> rose: because it sees faster and because? >> pantic: because th