A structural and resting-state functional connectivity investigation of the pulvinar in elderly individuals and Alzheimer's disease patients
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info:eu-repo/semantics/embargoedAccessTarih
2023Yazar
Velioğlu, Halil AzizAyyıldız, Behçet
Ayyıldız, Sevilay
Sütçübaşı, Bernis
Hanoğlu, Lütfü
Bayraktaroğlu, Zübeyir
Yuluğ, Burak
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Velioğlu, H. A., Ayyıldız, B., Ayyıldız, S., Sütçübaşı, B., Hanoğlu, L., Bayraktaroğlu, Z. ... Yuluğ, B. (2023). A structural and resting-state functional connectivity investigation of the pulvinar in elderly individuals and Alzheimer's disease patients. Alzheimer's and Dementia, 19(7), 2774-2789. https://doi.org/10.1002/alz.12850Özet
In Alzheimer's disease (AD), structural and functional changes in the brain may give rise to disruption of specific cognitive functions. The aim of this study is to investigate the functional connectivity alterations in the pulvinar's subdivisions and total pulvinar voxel-based morphometry (VBM) changes in individuals with AD and healthy controls. A seed-based functional connectivity analysis was applied to the anterior, inferior, lateral, and medial pulvinar in each hemisphere. Furthermore, VBM analysis was carried out to compare gray matter (GM) volume differences in the pulvinar and thalamus between the two groups. Connectivity analysis revealed that the pulvinar subdivisions had decreased connectivity in individuals with AD. In addition, the pulvinar and thalamus in each hemisphere were significantly smaller in the AD group. The pulvinar may have a role in AD-related cognitive impairments and the intrinsic connectivity network changes and GM loss in pulvinar subdivisions suggest the cognitive deterioration occurring in those with AD. HighlightsThe pulvinar may play a role in pathophysiology of cognitive impairments in those with Alzheimer's disease (AD).Decreased structural volume and functional connectivity were found in patients with AD.The inferior pulvinar is functionally the most affected subdivision by AD compared to the others.
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Alzheimer's and DementiaCilt
19Sayı
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