Disturbance of verticality perception and postural dysfunction in Parkinson's disease.
Katharina A SchindlbeckW NaumannA MaierFelicitas EhlenF MarzinzikF KlostermannPublished in: Acta neurologica Scandinavica (2017)
Visual verticality perception in PD is deviated already in early stages, conceivably as a relatively static internal misrepresentation of object orientation. Variability about verticality perception emerges in more advanced stages and is associated with postural and balance abnormalities.
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