yes! I was actually recently just thinking about this. It seems my meds have surprisingly helped alot with this. I don't experience memory turbulence when I'm stable. But when I do experience symptoms - honestly i think the memory issues are the collateral damage. Brain fog, not being being able to focus, think straight, think linearly - its not surprising that spills over into memory.

Man, it used to be really bad. I would get lost on my way to places I knew, I would lose things all the time, forget conversations, and really similar to you, I'd get this sense that i was losing the ability to do things/skills I've developed over ages. This even affected my artwork! Like the stuff I made during those time periods was just really mediocre and not like me. So i get the feel, and yes, i think it's part of it.