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. 2019 Jul 4;9:9676. doi: 10.1038/s41598-019-46145-4

Figure 4.

Figure 4

Proposed framework for predicting morphological brain age in healthy and disordered brains. (A) Construction of the multi-view brain networks from cortical morphology for each subject and the construction of the initial feature vector. For each subject k{1,,N}, we derive a morphological network km from the cortical surface Skm mapped using a specific morphological attribute m{1,,M}. (B) Next, we extract the lower triangular part of the matrix as a morphological connectional feature vector. (C) Reduce the dimensionality of the data and retain only the most relevant features using a feature selection method. Next, we train a Random Forest model and utilize it to predict the morphological age of a testing brain. (D) Connectional morphological features encoding chronological brain age.