The theory is that you can create new pathways in the brain to compensate for injured areas The key is to use your affected side as much as possible and to • Use rubber bands to exercise your fingers. For example, place your affected hand on a table and loop a rubber band around one of your fingers. With your unaffected hand, pull the rubber band up and down to exercise the affected finger.
• Squeeze a rubber ball to strengthen your affected hand.
Repeat activities several times each day.
In my experience I found, try to imitate your other hand who is the best tutor. Try to tie your shoe laces, hold the cup, hold the spoon ,eat with effected hand.
Believe me it is not easy but not impossible, have patience you your self will feel the improvement which is the prize for you. Slowly by the repeated movements not only you develop the motor skill you start feeling sensations cold and hot.