I probably wouldn't say too much about it for the moment. If you do find yourself in a position that you are being asked to explain poor performance in a formal situation, sure, it could be a contributing factor so needs to be discussed.
Remember we are generally out own worst enemies and harshest critics. You have a identifiable 'point' in front of you--the end of term--which is the sort of thing I find easier to manage. Eat the elephant one bite at a time.
It takes a while to figure out the dynamics of any work place and to identify potential allies or foes. Take whatever time is reasonably available to you. MXX