I also wanted to add that memory pieces can store memories not from a literal point of view for example -

I get flashbacks and nightmares where I am in a room on a table and things are going on. you know that magic trick of passing objects through a persons body. well that kind of thing where a wire is going through my digestive tract. The people involded are my abusers his friends, doctors and orderlies. I can feel the wire very realistically including the gag and pain reflexes upon removal. and being asked questions for which I had no control of what to answer and no control of if I answer. the drug I was given gave me no choices, I could fight them in any way verbally or physically. When aware and after flashbacks and this nightmare,from time to time I have unexplained sore throats that cannot be contributed to having a virus or bacterial infection. when unaware drawing are done depicting this ssituation.

This situation did not actually happen. it is a memory piece (alter) stored from my emotional point of view at the time 4 years ago ( the memory piece is my age of 4 years ago)

this is definately after my abuser has been dead for many years and most likely his friends too. My abuser and his friends never did this to me.

So why am I having the flashbacks, and a memory piece (alter) of this non existant situation?

Because it is a metaphoric emotional memory of my going through endoscopys and colonoscopys for cancer diagnosis and treatment.

My brain percieved the emotional level of those procedures to be equivelent of being abused orally and anally by my abusers.

Memories are stored as they are happening from the point of view of the person experincing the situation. Those memories can be litteral or based on emotional and or metaphorical for the situations being experienced which is why when doing memory recall work with DID's nothing is passed off as being not a real experience. The stored memories are real experiences its just the person has to figure out by themselves or with their therapist if the memory is literal as in the situation happened physically and mentally as they are remembering, or emotional and or metaphoric for a normal situation that they percieved as being abusive and invasive th their self.

Hang in there