Accepted Manuscript Proposal for a hierarchical, multidimensional, and multivariate approach to investigate cognitive aging Alejandra Machado, José Barroso, Yaiza Molina, Antonieta Nieto, Lucio Díaz-Flores, Eric Westman, Daniel Ferreira PII: S0197-4580(18)30268-9 DOI: 10.1016/j.neurobiolaging.2018.07.017 Reference: NBA 10328 To appear in: Neurobiology of Aging Received Date: 29 August 2017 Revised Date: 24 July 2018 Accepted Date: 25 July 2018 Please cite this article as: Machado, A., Barroso, J., Molina, Y., Nieto, A., Díaz-Flores, L., Westman, E., Ferreira, D., Proposal for a hierarchical, multidimensional, and multivariate approach to investigate cognitive aging, Neurobiology of Aging (2018), doi: 10.1016/j.neurobiolaging.2018.07.017. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.