Understanding Dissociative Identity Disorder

In the realm of dissociative disorders, various phenomena manifest that disrupt an individual’s consciousness, memory, or sense of identity. One specific disorder, characterized by the presence of two or more distinct personality states, often includes an amnesic barrier between these identities. This disorder is frequently associated with trauma and may result in a fragmented self-concept. Given this context, which of the following diagnostic categories correctly identifies the disorder being described?