Borderline personality disorder behaviors- Silent Treatment

"Silent treatment" - that was the first scientific definition I learned from my T.
I wouldn't quilify it as an "internal rage". It is a clear punishment for you.

For where I'm coming from (Europe) - silent treatment is an excommunication mechanizm. Say, you are a scientist and steal some Nobel Prize idea from another researcher. You would be ostracized by your peers. They will not shake a hand with you, will not say hello, would cross on another side of the street when they meet you.
It is a punishment for some pretty immoral or unethical behaviour.

That is how your BPD partner is thinking - you commited an unthinkable crime towards them, so it is justified in their view to give you the "silent treatment". It is a demonstrative action.

At first, my BPD wife would do it a week in a row, then go back to normal without saying a word. After a few cicles of this - she will write me a multipage letter, leaving it on the table, explaining what I did "wrong" over the last year, with false accusations, delusions etc. She just couldn't talk about it because it was so illogical and an absolute nonsence - so that the delusuion would be easily broken when faced with the facts. And they can't handle the truth. The "show" must go on!

http://bpdfamily.com/message_board/index.php?topic=68733.msg663273#msg663273