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• W3089341061 abstract "Subjective cognitive decline (SCD) is considered the earliest preclinical stage of Alzheimer’s disease (AD) that precedes mild cognitive impairment (MCI). Effective and accurate diagnosis of SCD is crucial for early detection of and timely intervention in AD. In this study, brain functional connectome (i.e., functional connections and graph theory metrics) based on the resting-state functional magnetic resonance imaging (rs-fMRI) provided multiple information about brain networks and has been used to distinguish individuals with SCD from normal controls (NCs). The consensus connections and the discriminative nodal graph metrics selected by group-LASSO mainly distributed in the prefrontal and frontal cortices and the subcortical regions corresponded to default mode network (DMN) and frontoparietal task control network. Nodal efficiency and nodal shortest path showed the most significant discriminative ability among the selected nodal graph metrics. Furthermore, the comparison results of topological attributes suggested that the brain network integration function was weakened and network segregation function was enhanced in SCD patients. Moreover, the combination of brain connectome information based on multi kernel-support vector machine (MK-SVM) achieved the best classification performance with 83.33% accuracy, 90.00% sensitivity, and an AUC of 0.927. The findings of this study provided a new perspective to combine machine learning methods with exploration of brain pathophysiological mechanisms in SCD, and offered potential neuroimaging biomarkers for diagnosis of early-stage AD." @default.
• W3089341061 created "2020-10-08" @default.
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• W3089341061 date "2020-09-29" @default.
• W3089341061 modified "2023-10-16" @default.
• W3089341061 title "Effective and Accurate Diagnosis of Subjective Cognitive Decline Based on Functional Connection and Graph Theory View" @default.
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• W3089341061 doi "https://doi.org/10.3389/fnins.2020.577887" @default.
• W3089341061 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7550635" @default.
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