Cognitive Mechanisms of Visual Dysfunction in Non-Demented PD Patients (PD-ND)
Objective: To conduct a comprehensive assessment of visual processing in PD-ND, including tests of low-level vision sensitive to retinal pathology, high-level object/spatial vision reflecting ventral/dorsal…Subjective visual vertical in patients with early Parkinson’s disease
Objective: To identify the changes of subjective visual vertical and any correlation between SVV and cognitive/motoric dysfunctions in Parkinson's disease. Background: Dysfunction of sensory system is…Effects of the administration of levodopa on postural control under visual tasks
Objective: We tested if the administration of levodopa leads the patients with Parkinson’s disease to sway significantly more than the controls, especially under challenging visual…The Cats & Dogs Test: a web-based platform to detect early visual processing deficits in Parkinson’s disease
Objective: To develop a sensitive web-based test to detect visuo-perceptual deficits in patients with Parkinson’s disease as an early marker of dementia. Background: Up to…Defective visual perception in patients with Lewy body disease: assessment of hallucinations with pareidolia test.
Objective: Hallucination is a common feature in patients with advanced Parkinson’s disease(PD) and dementia with Lewy bodies (DLB). Background: The pareidolia test is a tool…Cognition, vision and visuo-cognition in gait in Parkinson’s disease
Objective: This study examined the selective but overlapping roles of cognition and vision in gait in Parkinson's disease (PD). To address this we studied; 1)…Impaired color discrimination selectively associates with postural instability and gait difficulties in Parkinson’s disease
Objective: To investigate the relationship between impairments of the cardinal motor impairments and color discrimination deficits in Parkinson's disease (PD). Background: Previous studies have shown…Frequency and characteristics of diplopia in non-demented patients with Parkinson’s disease
Objective: To assess the frequency of diplopia and its relation to motor and non-motor symptoms in a cross sectional sample of non-demented patients with idiopathic…Optic nerve integration as a visuospatial cognitive predictor in Parkinson’s disease
Objective: To explore the microstructural integrity of the optic nerve and its role as a cognitive predictor in patients with de novo Parkinson's disease (PD)…Defective visual perception in patients with Parkinson’s disease: The impairment of preattentive visual processing in the normal intellectual patients
Objective: In the previous conference, we reported that the impairment of preattentive visual processing could be detected even among subjects considered to have normal cognitive…
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