The correct answer would be option A, the negative symptoms of schizophrenia
His demeanor is unusual compared to most people because he does not show emotional expression when he speaks, and does not appear to have the ability to read other's emotional expressions. These symptoms are also known as the the negative symptoms of schizophrenia.
Explanation:
Schizophrenia is a mental disorder in which people cannot interpret the reality normally. Their thoughts, feelings, perceptions, behaviors and emotions are all faulty and abnormal. Schizophrenia can cause delusions, hallucinations and extremely disordered thinking.
There are two types of symptoms of schizophrenia. One is Negative and the other is positive. Positive symptoms may include hallucinations, delusions, and racing thoughts, whereas negative symptoms may include apathy, lack of emotion, poor or nonexistent social functioning, etc.
So when Barry does not show his emotional expressions when he speaks, it means he has negative symptoms of Schizophrenia.
Learn more about Schizophrenia at:
brainly.com/question/6868018
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