In a case of dissociative identity disorder, Pat is aware of the existence of Jerry and Chris, but Jerry and Chris are not aware of the existence of the other personalities. This form of subpersonality relationship is called.

One way amnesic

Explanation:

PTSD is a traumatic disorder that becomes the cause of DID. It is not called an illness because it does not come from birth. Most of the patients in DID are female rather than male. It happened because of childhood abuse or there is a traumatic history behind it.

But only childhood trauma doesn't need to be the cause of DID. The symptoms have been seen in military veterans too when they all come back home from war. DID also a form of ego defense mechanism. DID has been seen through ope-rant conditioning.