Final answer:
Psychological imagery is used when describing a character's internal states, such as their sociopathic traits, allowing readers to understand their inner workings.
Step-by-step explanation:
When readers acknowledge a character's sociopathic traits, such as being impulsive, irresponsible, and unable to control their behavior, they are engaging with psychological imagery. This type of imagery delves into the mental or emotional state of a character, giving insight into their personality and inner workings. Psychological imagery is not just about visual representations but also includes the inner characteristics that define a person's behavior and thought processes.