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. Author manuscript; available in PMC: 2022 Apr 30.
Published in final edited form as: Psychiatry Res Neuroimaging. 2021 Mar 5;310:111270. doi: 10.1016/j.pscychresns.2021.111270

Figure 1. Similarity in predicted brain age in healthy individuals in the HCP and Cam-CAN samples across algorithms.

Figure 1.

(A) HCP: Similarity matrix representing between-algorithm correlations of individual predicted brain-ages in healthy individuals; (B) HCP: Distance matrix and dendrogram resulting from hierarchical clustering of the individual brain-age results of the six algorithms; (C) Cam-CAN: Similarity matrix representing between-algorithm correlations of individual predicted brain-ages in healthy individuals; (D) Cam-CAN: Distance matrix and dendrogram resulting from hierarchical clustering of the individual brain-age results of the six algorithms. OLS: Ordinary least squares regression; Lasso: Least absolute shrinkage and selection operator; SVR: Support vector regression; RVR: Relevance vector regression; HCP: Human Connectome Project; Cam-CAN: Cambridge Centre for Ageing and Neuroscience Project.