designing to produce certain emotional effects or how emotion affects a user's behavior with a system.
Emotions are the various bodily feelings associated with mood, temperament, personality, disposition, and motivation and also with hormones such as dopamine, noradrenaline, and serotonin. Motivations direct and energize behavior, while emotions provide the affective component to motivation, positive or negative.1
In the 2000s, research in computer science, engineering, psychology and neuroscience has been aimed at developing devices that recognize human affect display and model emotions. In computer science, affective computing is a branch of the study and development of artificial intelligence that deals with the design of systems and devices that can recognize, interpret, and process human emotions.2
This tag is close related to our sister site Psychology & Neuroscience Stack Exchange.
Questions having the emotion tag regards the User Experience of emotional design and implementation in an artifact.