Borderline Personality 1 Running Head: BORDERLINE PERSONALITY Assessment of Dysfunctional Beliefs in Borderline Personality Disorder Andrew C. Butler, Gregory K. Brown, Aaron T. Beck and Jessica R. Grisham University of Pennsylvania This research was supported by Grant 2 P30 MH45178-06A2- 0014 from the National Institute of Mental Health to Dr. Brown. Correspondence concerning this article should be addressed to Andrew C. Butler, 2100 Garden Road, Ste A-102, Monterey, CA 93940. Email: drandybutler@yahoo.com.