In Dissociative Identity Disorder (DID), previously known as Multiple Personality Disorder, individuals experience the presence of two or more distinct personality states or identities that control their behavior. These identities can take different forms and may have their own names, personal histories, and characteristics.
In DID, the personalities, also known as alters, can vary in terms of their awareness of each other. The level of awareness and communication between different alters can vary widely among individuals. Some people with DID may have what is called "co-consciousness," where certain alters are aware of each other, communicate, and share memories or experiences. In these cases, the communication between alters can be somewhat fluid and may happen more naturally.
On the other hand, some individuals with DID may experience "amnesia barriers" between their different identities. This means that certain alters are not aware of the existence of other alters or have limited access to each other's memories and experiences. The amnesia barriers can be a way for the mind to protect itself from distressing or traumatic memories and experiences.
It's important to understand that DID is a highly complex and individualized disorder, and the presentation can differ significantly from person to person. The co-consciousness and communication between alters can vary, and some individuals may experience amnesia barriers more strongly than others.
Therapy and support are essential for individuals with DID to learn to manage their symptoms and increase communication and cooperation among different alters. The goal of therapy is often to improve internal communication and collaboration between alters, which can lead to increased functioning and integration of identity.