A Describe the Relationship Between Arousal Level of a Stimulus

Essay

a. Describe the relationship between arousal level of a stimulus based on its collative variables (novelty, complexity and incongruity)?
b. Repeated stimulus exposure to the same stimulus change the liking of that stimulus, e.g., listening to the same tune, watching the same movie, or wearing the same blouse/shirt changes the liking of it. Explain what these changes are and why they occur.