hello Squirrel, because real vertigo is walls are moving, floor is moving;
i have sometime a little vertigo and more ataxia
from wikipedia : Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order"), is a neurological sign consisting of lack of voluntary coordination of muscle movements, as in walking. Ataxia is a non-specific clinical manifestation implying dysfunction of the parts of the nervous system that coordinate movement, such as the cerebellum. Several possible causes exist for these patterns of neurological dysfunction. The term "dystaxia" is a rarely-used synonym.
the google translate from french wikipedia:Ataxia is manifested mainly by abnormal gait, balance and upright posture, the movement guidance by sight.
It is observed by the rebound, there is no brake in the movement, the subject is over the target due to late braking antagonist muscles.
and with Cosette(she found this) we see that it describes exactly my standing problems, walking problems, equilibrium and vision; all this is linked with spine nerves and peripheric nerves;
wiki says also it results from benzo tapering (AD=benzo)
and i suspect to have it when lying in horizontal(a mix with ataxia and little vertigo and other feelings i am unable to describe, but they are very disabling in my case;
the term of dizziness or vertigo do not describe well my state, but ataxia yes, when i stand i fall in front and behind, and the vision plays a big part if i close eyes, i am very bad as wiki says