Patterns of Grey Matter Atrophy at Different Stages of Parkinson’s and Alzheimer’s Diseases and Relation to Cognition

Using MRI, a characteristic pattern of grey matter (GM) atrophy has been described in the early stages of Alzheimer’s disease (AD); GM patterns at different stages of Parkinson’s disease (PD) have been inconclusive. Few studies have directly compared structural changes in groups with mild cognitive...

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