This volume presents innovative clinical research programs and findings pertaining to emotions in personality disorders. Originally published in a Special Supplement of the Journal of Personality Disorders, chapters are written by a range of clinical experts. With a primary focus on borderline personality disorder (BPD), the book addresses such topics as personality function and emotional change in psychotherapy; how emotional dysregulation affects beliefs about emotion; shame as a core feature of BPD; the relationship between childhood adversity, affective lability, and alexithymia; and current directions in treatment.