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Abstract #2598

Altered Claustral Functional Connectivity in Parkinson’s Disease Patients with Mild Cognitive Impairment.

Karthik Sreenivasan1, Ece Bayram1, Sarah Banks2, Jason Longhurst1, Xiaowei Zhuang1, Zhengshi Yang1, Dietmar Cordes1, Aaron Ritter1, Jessica Caldwell1, Brent Bluett3, and Virendra Mishra1

1Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas, NV, United States, 2University of California, San Diego, San Diego, CA, United States, 3Stanford University, Stanford, CA, United States

Studies have shown α-synuclein pathology in the claustrum of Parkinson’s disease (PD) patients and its correlation with the onset of cognitive dysfunction in PD. In this study we use resting state fMRI to examine claustral functional connectivity network changes in PD patients with mild cognitive impairment. Our results show increased claustral-cortical connectivity in the PD-MCI group, which may indicate additional effort is required in the PD-MCI group to maintain network integration. The increased load of claustrum is somewhat mitigated by medication in PD patients with cognitive impairment.

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