No, psychological horror is based on psychological damage, not physical harm: domination, psychological trauma, diffuse fears like the unknown or the indefinable, things like doubting reality and one's own sanity.

Which dead space does….. and that’s what “affects the mind” means. Why did you think I meant just using it? Lmfao.

Video lacks the context, but you’re doing the surgery on YOURSELF to figure out if you’re insane or if it’s the marker making you.

That’s textbook psychological horror, there is of course other types, like HP and Stephen king as well.