"Conspiracy spiraling" when slighted?

I'm not sure what this trait is called but I'd want to know if others have noticed this in themselves or NPD people they know; when I feel slighted by a person (even when they clearly don't intend it), my mind start racing and listing all the other ways they've definitely conspired to hurt me. Things I was never hurt by before and that don't even make sense. And suddenly everything good the person has done disappears and they have instead never valued me and have always been awful to me. I try to recognize these thoughts as nonsensical but this often only happens after the heat of the conflict has already fizzled out. Explaining and apologizing for this trait also doesn't really help, because the other person has already been hurt by my anger. Is this an NPD trait and if so, what is it called? (I recognize it in my parents, one of whom was diagnosed with ASPD.)