MRI finding appears to be accidental finding, and you do not appears to have any neurological symptoms. Many time such MRI observation is seen without any consequences and neurologist gave medicine to prevent any further such occurance in the brain. Anxiety/panic is known to supress normal memory process, attention, concentration and can be resolved with optimum treatment.
Next Steps
Report your treating doctor for inadequate improvement.
Health Tips
Breathing exercise, Meditation , yoga