This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia Spectrum and Other Psychotic Disorders, Subject name: Psychiatry
Which of the following is a negative symptom of Schizophrenia? 
Select and explain. 
A. Ambivalence, B. Automatic obedience, C. Anhedonia, D. Delusion
C: Anhedonia
Answer: C: Anhedonia 
Explanation: Anhedonia- lack of pleasure in a previously pleasurable activity Negative symptoms in Schizophrenia are: Apathy- Lack of concern Avolition- Loss of drive for goal directed activities Asociality- Lack of social interaction Affective flattening or blunting Alogia- Lack of speech output Anhedonia- Lack of pleasure in previously pleasurable activities. The more the negative symptoms in an individual with Schizophrenia, the worse is the prognosis.