In Dissociative Identity Disorder (DID), alters (also known as identities, personalities, or parts) can have distinct characteristics, including knowledge, skills, and preferences, that may differ from the host's knowledge base. It is possible for alters to have knowledge of languages that the host does not know, even if the host has been exposed to those languages through media with subtitles.
DID involves the presence of two or more distinct identity states within an individual, and these identities can have separate experiences and memories. If an alter has been exposed to a language through media (e.g., movies, TV shows) and developed an understanding of it, they may possess the ability to comprehend, speak, or even be fluent in that language.
In some cases, alters may have unique talents, knowledge, or interests that the host does not possess. This can include languages, artistic abilities, academic knowledge, and more. The reason for such differences among alters is complex and can be related to the way the mind processes and compartmentalizes experiences as a coping mechanism for trauma.
It's essential to understand that DID is a complex and often misunderstood condition. Alters can vary significantly in their experiences, memories, and abilities. The interactions and communication among alters can be unique to each individual with DID. Some systems may have more cooperative communication, allowing alters to share information and skills, while others may have limited or no communication between identities.
If you or someone you know is experiencing DID or dissociative symptoms, seeking support from mental health professionals experienced in working with dissociative disorders is crucial. They can provide appropriate assessment, diagnosis, and therapeutic interventions to help individuals navigate their experiences and work towards integration and healing.