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- W2007883395 abstract "Cognitive impairment occurs frequently in Parkinson's disease (PD) and the concept of Mild Cognitive Impairment in PD (PD-MCI) has recently emerged. Patients with mild impairment are at risk of developing dementia, and thus it is a topic of growing interest. Many previous studies have investigated the neural correlates of cognitive impairment, in particular executive dysfunction, in PD patients without dementia using neuroimaging techniques including structural MRI, functional MRI and PET imaging. These studies, which have provided a foundation for understanding which brain regions and neurotransmitter systems may be involved in executive dysfunction in PD, will be reviewed. Recent neuroimaging studies that have used specific criteria to classify patients as PD-MCI, in the hopes of gaining further insight into the underlying neural mechanisms will also be discussed. In particular, this review will cover key findings involving structural MRI investigating grey and white matter changes, functional MRI to examine changes in neural activation and PET imaging to investigate metabolic and neurochemical changes that have led to an improved understanding of pathology associated with executive dysfunction in PD without dementia and PD-MCI." @default.
- W2007883395 created "2016-06-24" @default.
- W2007883395 creator A5061170468 @default.
- W2007883395 creator A5079764311 @default.
- W2007883395 date "2013-04-01" @default.
- W2007883395 modified "2023-10-13" @default.
- W2007883395 title "Neuroimaging of brain changes associated with cognitive impairment in Parkinson's disease" @default.
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- W2007883395 doi "https://doi.org/10.1111/jnp.12015" @default.
- W2007883395 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4452222" @default.
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