system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
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 :
assistant
The correct answer is  Anhedonia : Loss of responsiveness especially tied to the experience of pleasure.