What stylistic feature is most notable in Edgar Allan Poe's narrative style in The Tell-Tale Heart?

The most notable stylistic feature of Edgar Allan Poe's narrative style in "The Tell-Tale Heart" is the first-person viewpoint. This choice is significant because it allows readers to delve deeply into the psychological state of the narrator, who is both unreliable and mentally disturbed. The intimate perspective helps establish a sense of direct engagement with the narrator's thoughts and emotions, drawing the audience into the intensity of his paranoia and guilt. This personal viewpoint heightens the story's suspense and emotional impact, creating a profound connection between the narrator’s experiences and the readers' understanding of his internal conflict.

By utilizing the first-person perspective, Poe effectively conveys the character's descent into madness, making it a defining element of the story's style. This choice enhances the themes of obsession and the subjective nature of reality, which are central to Poe's work.