Researchers teach robot to ’politely chuckle’ during conversation

No laughing matter! Scientists try to teach a robot when it is appropriate to express mirth - and decide whether to let out a polite chuckle or a hearty hoot Researchers at Japan’s Kyoto University teach robot to chuckle at appropriate times during conversation. The robot ’Erica’ has been trained to detect laughter in conversation and to decide whether to laugh in...