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Parkinson's disease (PD) patients are treated with levodopa (l‐dopa) to help stabilize their impaired motor abilities; however, l‐dopa leads to increased homocysteine (Hcy) levels, which may have a deleterious effect on brain structure and function. The purpose of this study was to examine the impact of increased Hcy concentration on global brain atrophy as determined by magnetic resonance imaging...
Age‐related ventricular enlargement is accelerated in Alzheimer's disease, but its relationship to cognitive decline in Parkinson's disease is less clear, even though dementia is common in Parkinson's disease. Our goals were to determine if greater enlargement of the ventricles and gray or white matter atrophy occurred in Parkinson's disease patients developing cognitive decline. Older nondemented...
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