Emotion is complex, and the term has no single universally accepted definition. Emotions are mental states that arise spontaneously, rather than through conscious effort. It is unclear whether animals or all human beings experience emotion. Emotions are physical expressions, often involuntary, related to feelings, perceptions or beliefs about elements, objects or relations between them, in reality or in the imagination. The study of emotions is part of psychology, neuroscience, and, more recently, artificial intelligence. According to Sloman [1], emotions are cognitive processes. …
