Why is lack of emotional expression considered a “negative” symptom? A. It is disadvantageous to the patient. B. Only a small percentage of patients have this symptom. C. The symptom refers to the...

Why is lack of emotional expression considered a “negative” symptom?
A. It is disadvantageous to the patient.
B. Only a small percentage of patients have this symptom.
C. The symptom refers to the absence of something.
D. It is caused by decreased activity in certain brain areas.