You are more than one thing. Research suggests that integrating different parts of yourself can boost creativity, resilience, and psychological flexibility.

Dissociative identity disorder is often rooted in chronic childhood trauma. Repeated abuse, neglect, and attachment disruptions can fragment a growing mind. Healing is possible.

Daniel Rosenfeld ’18, a published researcher and human development major, discussed the “psychology of vegetarianism” in relations to identities on Monday. Rosenfeld, who took a class on racial and ...