Yes, specific members of a multiple system can front for weeks, years, or decades. Every case is different, and few resemble the textbook definition or the TV stereotype. Most multiple systems do not meet the 'multiple personality sundrome' or DID criteria, and they are self-aware people sharing a body. 'Alternate personality' is actually a misnomer, as every person in the group is equal in conciousness, thought, and 'humanity'. Depending on the system, a person fronting or taking primary control of the body can be voluntary or involuntary, or 'given permission after the fact'. Many multiple systems work to encourage group accountability and personal responsibility so no one takes control for long periods without permission or reason. It is not uncommon for more than one person to be fronting at the same time, or for various levels of control to be in operation as well.
It is called ambivalence. Ambivalence is the experience of having contradictory emotions or feelings about a particular person, object, or situation at the same time.
Possible multiple and if none seen on ultrasound you could possibly have vanishing twin syndrome.
No people with asperger's syndrome do not have split personalities
It is still controversial whether Devic syndrome is a variant of multiple sclerosis.
No,because it is a syndrome and not a disease there are No "Levels".
Multiple Keratocysts
no
Anything is possible but this would be very unusual.
Multiple sclerosis or MS.
It's possible.
363.15
No, because people with Down syndrome can't have children.