In DID, each alter (or identity) may have its own set of memories, experiences, and traumas. Some alters may be more aware of the traumatic events they experienced, while others may have limited or no conscious awareness of those events. Flashbacks, like the one you described, can sometimes occur, where an alter may experience vivid and intrusive recollections of traumatic events.
The process of sharing trauma memories among alters, also known as "memory integration" or "co-consciousness," can vary widely from person to person and can be a complex and challenging aspect of DID therapy. It is not uncommon for some alters to be reluctant to talk about their past or traumatic experiences. This may be due to feelings of fear, shame, or a protective mechanism to avoid re-experiencing painful emotions associated with those memories.
In therapy, a qualified mental health professional experienced in working with dissociative disorders can help facilitate communication and cooperation among alters. The goal is to create a safe and supportive environment for alters to share their experiences if they choose to do so voluntarily. It's essential to respect the boundaries and pace of each alter during this process.
For individuals with DID, healing and integration are individualized processes that may take time and patience. If you or someone you know is experiencing difficulties related to DID, seeking professional help from a therapist who specializes in trauma and dissociative disorders can be very beneficial. They can provide appropriate guidance and support throughout the healing journey.