That being said, there have been reported cases where individuals with Dissociative Identity Disorder (DID) have described experiences where one alter possesses knowledge or skills that others within the system do not seem to have. This phenomenon is known as "inter-system communication" or "inter-system cooperation."
One possible explanation for this is that the alters in a DID system may have unique memories and experiences that are not shared across all identities. These distinct memories and experiences could be attributed to different life events or traumas that affected specific alters but not others.
Moreover, it is believed that dissociation, which is a core feature of DID, allows for the separation of information and memories among different identities. As a result, some alters may have knowledge that other alters are not consciously aware of, leading to situations where one alter seems to know something that others do not.
It's important to remember that DID is a complex and still not fully understood condition, and the mechanisms behind inter-system communication are not yet fully elucidated. The experiences of individuals with DID can vary widely, and each person's internal system may have its unique characteristics and interactions.
If you or someone you know is living with DID and experiencing challenging symptoms or questions about their condition, it is crucial to seek support from qualified mental health professionals who specialize in working with dissociative disorders. They can provide proper assessment, guidance, and therapeutic assistance tailored to the individual's needs.