Ph.D. You are welcome again for future semesters. How you do it depends on the circumstances: If you have not received the admission decision for the semester in which you have applied, you can update your application within one year of your original application period. To update your application in future semesters, send an email to our cognitive science research Office. The email should include the following information: your full name USC ID Number The term/semester from which you want to update the application.