What one can infer about the about the narrator's mental state in Tell-tale Heart is that of schizophrena.
Through the entirety of the narrative, the narrator struggles to reaffirm that there is nothing wrong with him and that he is completely normal. Examining the themes of madness, guilt, and a false sense of reality, Poe's narrator suffers from a sense of false narrative, a trait characteristic of schizophrenia.
<h3>Who is a schizophrenia?</h3>
Schizophrenia is a disorder that affects a person's ability to think, feel and behave clearly.
The exact cause of schizophrenia isn't known, but a combination of genetics, environment and altered brain chemistry and structure may play a role.
Therefore, the correct answer is as given above
learn more about schizophrenia: brainly.com/question/7201954
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