This is a difficult question. Ideally, the words you train on will come easier to you over time as other language functions become more difficult. Some people in our study have shown other benefits such as stability on come cognitive measures and improved communication abilities. All patients were able to learn or relearn a core vocabulary. However, we've seen big differences in how each patient applies this knowledge to his/her daily life. This is one factor we are investigating as part of the study. Namely, who does well and why?