In addition to eliminating Phantom Limb Pain, your brain can also eliminate negative neural pathways responsible for negative thoughts and insecure feelings.
For instance, if you have negative thoughts and feel insecure about your musical abilities, these negative feelings may lead you to believe that you lack talent in playing an instrument.
However, if you consistently concentrate on the small steps of improvement and disregard the mistakes as you learn to play the instrument, you will continually establish new confident neural connections regarding your capacity to improve.
In other words, by frequently reminding yourself of your successes rather than dwelling on your mistakes, with plenty of practice, you will foster confident neural connections regarding your ability to play the instrument.
The more you focus on these confident thoughts and ignore the negative ones, the faster you will replace the old, unconfident connections.