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Impaired perception of biological motion in Parkinson's disease.
OBJECTIVE We examined biological motion perception in Parkinson's disease (PD). Biological motion perception is related to one's own motor function and depends on the integrity of brain areasExpand
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Randomized Controlled Trial of a Home-Based Action Observation Intervention to Improve Walking in Parkinson Disease.
OBJECTIVE To examine the feasibility and efficacy of a home-based gait observation intervention for improving walking in Parkinson disease (PD). DESIGN Participants were randomly assigned to anExpand
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Perception of Communicative and Non-communicative Motion-Defined Gestures in Parkinson's Disease.
OBJECTIVES Parkinson's disease (PD) is associated with deficits in social cognition and visual perception, but little is known about how the disease affects perception of socially complex biologicalExpand
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Normal discrimination of spatial frequency and contrast across visual hemifields in left-onset Parkinson’s disease: Evidence against perceptual hemifield biases
Individuals with Parkinson's disease (PD) with symptom onset on the left side of the body (LPD) show a mild type of left-sided visuospatial neglect, whereas those with right-onset (RPD) generally doExpand
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The effect of Parkinson’s disease subgroups on verbal and nonverbal fluency
Background. Parkinson’s disease (PD) leads to deficits in executive function, including verbal and nonverbal fluency, as a result of compromised frontostriatal circuits. It is unknown whetherExpand
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Cognitive and Perceptual Impairments in Parkinson’s Disease Arising from Dysfunction of the Cortex and Basal Ganglia
Cognitive and perceptual impairments in Parkinson’s disease (PD) contribute substantially to reduced quality of life and implicate the dysfunction of multiple systems including widespread corticalExpand