How many sessions for SSRI induced anhedonia?

I have been undergoing LORETA Neurofeedback for 24 sessions, in order to ameliorate anhedonia and low motivation from past SSRI use. So far it has only helped minimally and my scores have gotten lower (target range is 90 to 100 -my scores have been in the 20 to 50 range. Is it worth it to keep trying beyond my remaining 6 sessions that I have paid for?