Tracking Cortical Changes Throughout Cognitive Decline in Parkinson’s Disease: A Longitudinal MRI Study (P5.8-016)

To investigate longitudinal cortical thinning (CT) in Parkinson’s disease patients with normal cognition (PD-CN), with stable mild cognitive impairment (PD-MCIs), and in patients who convert to MCI (PD-MCIc) and dementia (PD-Dc).