Answer:
This lack of emotional expression is a symptom of schizophrenia called flat affect.
Explanation:
Flat affect, also known as blunted affect, implicates an extreme decrease in the expression of emotions. This phenomenon is commonly seen in people with depression and schizophrenia. A person with schizophrenia can show abnormal signs of emotion, speak in a toneless voice, lack significant facial expressions, and seem to show severe apathy.
