This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms and signs in psychiatry and classification, Subject name: Psychiatry
A 25-year-old woman complains of intense depressed mood for 6 months with an inability to enjoy previously pleasurable activities. This symptom is known as 
Select and explain. 
A. Anhedonia, B. Avolition, C. Apathy, D. Amotivation
A: Anhedonia
Answer: A: Anhedonia 
Explanation: In schizophrenia, the disorders of affect include apathy, emotional blunting, emotional shallowness, anhedonia (inability to experience pleasure) and inappropriate emotional response (emotional response inappropriate to thought). negative symptoms of schizophrenia include affective flattening or blunting, attentional impairment, avolition-apathy (lack of initiative associated with psychomotor slowing), anhedonia, asociality (social withdrawal), and alogia (lack of speech output). Ref: A sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.56) Anhedonia: Loss of interest in and withdrawal from all regular and pleasurable activities. Often associated with depression.