Keywords: Parkinson's Disease, Brain ConnectivityMild cognitive impairment in PD patients (PD-MCI) is shown to be a risk factor for the development of dementia over time. However, the distinct factors that contribute to conversion from MCI to dementia are not completely understood. While earlier studies have identified altered functional connectivity (FC) it is still not clear whether PD medication affects brain FC. In the current study, we aim to quantify the impact of medication effect on FC in PD-MCI using resting-state functional MRI. Our findings suggest that altered FC was observed between the groups and with respect to the medication state in the PD-MCI group.
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