what is new is proprioceptive disturbances, being a wrong body perception,,may disturbe every kind of the perception types, including cognitive perception.

Correcting proprioception we can correct cognitive disturbances as a consequence of this correction.
Systematic wrong body position can produce proprioceptive disturbances.
Proprioception is more than our sixth sense. It is a metasense wich connects and can induces modifications in  the other five classical senses.