Parkinson's disease is prototypically a movement disorder. Although perceptual and motor
functions are highly interdependent, much less is known about perceptual deficits in
Parkinson's disease, which are less observable by nature, and might go unnoticed if not
tested directly. It is therefore imperative to seek and identify these, to fully understand the
challenges facing patients with Parkinson's disease. Also, perceptual deficits may be related
to motor symptoms. Posture, gait and balance, affected in Parkinson's disease, rely on …