(image) El Lissitsky’s (graphic design)
User Experience Design is tightly connected with the Psychology , they coexist together.
They both share the study about subconscious mind and visual perceptions. Psychology helps User Experience Design to create balanced images and website layouts.
After the web definition, psychology is an academic and applied discipline that involves the scientific study of mental functions and behaviors. Throughout the history, science make to attempts to explain emotional states of mind.
“According to Piaget, cognitive development begins with a few basic schemes- plans of action to be used in similar circumstances. Emotion is a state involving physiological arousal, a cognitive appraisal of the stimulus that brought about the state, and an outward behavior .”
(sourse: Mastering the world of Psychology by S.Wood, E.G.Wood, D. Boyd)
Please check out this video about the EMOTIONs & Design
User Experience design is also about the beauty and functionality. It is about the online display of the material, product, online corporation identity. It is about reflexive design. The way people would perceive one of the other visual presentation of the product, layout/color model and would respond to it by understand it and therefore liking it.