Brain structural MRI correlates of cognitive dysfunctions in Parkinson's disease.


Cognitive dysfunction occurs at early stages of Parkinson's disease (PD). Initial studies reported that cognitive dysfunction in early PD only affected fronto-striatal circuits, provoking a marked executive dysfunction. Memory impairment in PD was thought to depend on a problem in retrieving stored information, therefore also reflecting a fronto-striatal… (More)
DOI: 10.1016/j.jns.2011.07.054