James, Neuroscience is almost totally based upon research at this point. So when you decide to pursue studies in Neuroscience, you must be able to justify your interests in the field. I suggest that you try to find out about some of the cutting edge research being done at the university as a response to this essay. As I recall, you are very much interested in the research aspect of Neuroscience. From what I have read, USC professors have some pretty interesting research ongoing. So maybe you can say something about pursuing your research interests by applying to become an assistant to one of the professors whose research is ongoing or is about to be started at one of the many research facilities of USC? Like i said, you will need to delve deeper into the academic interests that you can pursue. It will help your application if the academic interests you will pursue directly relate to your chosen major as well. That will show a passion for study and information that can help you become a better student in this particular field.