" In the story, Alice experiences perceptual distortions, such as changes in the size and shape of objects around her. While AIWS is not a recognized mental disorder, its portrayal in the book reflects the dissociative and depersonalization experiences some individuals may have during certain neurological conditions or migraines.
Another example is the "Truman Show Delusion," which became popular after the release of the movie "The Truman Show." In this fictional mental illness, a person believes that their life is a staged reality show, and everyone around them is an actor. Though not officially listed in diagnostic manuals, this delusion resonates with themes of paranoia and questioning reality, which can be associated with some psychotic disorders.
These fictional mental illnesses are considered realistic because they are based on genuine psychological or neurological phenomena, even if they are exaggerated or presented in a more dramatic manner for storytelling purposes. Writers and creators often use such concepts to explore complex human emotions, mental struggles, and societal issues, allowing the audience to relate to and understand the characters' experiences in a meaningful way.