My advice is just go to full draw on a target and don't release the string but let down. Practise holding and concentrating your focus on the target at full draw then count up to what ever number until you have to let down from fatigue. See if you can increase your count by increasing your holding time while you're concentrate on your target. Let done and wait and breathe deep all the while don't stare atyour target. Do this several times before releasing an arrow. Then practise squeezing the trigger at full draw up close like five feet with your eyes closed to get the feel of that type of release in your mind. Maybe do this exercise five times before you get back to shooting regularly. Target panic comes and goes with most of us but changing up your routine and your focus does help.