This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A 25 year old woman complains of intense depressed mood for 6 months with the 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: Anhedonia : Loss of responsiveness especially tied to the experience of pleasure.