Moving forward with prisms: sensory-motor adaptation improves gait initiation in Parkinson's disease.
It is postulated that the decreased walking speed; small, shuffling steps; and "freezing" shown by patients with Parkinson's disease could stem from an inability to tilt the body forward enough to provide sufficient forward propulsion. In two repeated-measures studies we examined whether adaptation to upward-shifting prisms, resulting in a downward after-effect, could improve gait initiation in healthy participants and patients with Parkinson's disease. Faster forward stepping followed a brie...Expand abstract
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