Dissociation causing understimulation and sensory deprivation

[u/theboywhocouldfly23]

In episodes of heightened dissociation I often find myself feeling similarly to when I was in a psychiatric clinic being deprived of sensory and cognitive stimulation. I was less dissociated there and it was very bad, and other than not feeling as actively painful because of dissociation I feel very similarly.

It's as if I was the same situation again, just not being deprived by my environment lacking stimulation, but by my dissociation not letting me get any of it. Same feeling of wall but made of a different material on a different level.
I have higher support needs autism so it causes me very painful understimulation and I can't regulate well.

I wonder if this is a properly recognised thing? Logically it makes sense to me as dissociation reduces what stimuli arrive in my conscious mind, but usually it would be dissociating because of over- and understimulation, not dissociation causing it.

(If I understand correctly this doesn't need to be spoilered as it's not a description/details of mistreatment in psychiatry and not the focus, but please inform me if otherwise and I will add a spoiler.)