They will sever her corpus callosum in which they are nerve fibers in the brain. They allow the hemispheres in the brain to be connected and severing this is a requirement to treat her epilepsy. This will reduce the symptoms that occurs in the contribution of epilepsy for they could be one of the factors contributing to those who people who has epilepsy.
True, emotions could be bad like feeling sad or they can be good like being happy.
This is an example of RELEARNING. Relearning is a method of retrieval used to facilitate the remembrance of a memory that has been stored long time ago. Relearning is also called saving method, it can be a mean of measuring retention by measuring how fast one remember forgotten skills that have been learned previously.