We might assume that, due to injury stewart's brain functional part are lost. Brain plasticity are the ability of the brain to change the thoughts and thinking ability throughout life. It basically depend upon one's capability of thinking and their age.
Brain injury damaged the mental functions which resulting loss of brain disabilities life long. It also affect our life in many ways caused headache, memory problems and depression.
If you really can't move your arm because of the sting, and there is pus, the best thing you can do to yourself is go to the Emergency doctor. You can take an ibuprofen if the pain is too hard.