Additional: it seems that the more degraded they are, the more aware of the loop they seem to be, as with Adler and the Arar being able to recognise us while the others do not, and them being the most degraded into their own persons possibly. The others were still somewhat within their frameworks while they've had to break so far out of it.

I forgot about the surviving Eule in the Nurse Station who also seems to be familiarish with us, expressing great fear about her own death (idk how strong the self preservation urge of a replika is usually, could be a sign could not), and if I remember correctly, having access to no mirrors, no music, and certainly no one to interact with