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. 2016 Sep 8;16(1):315. doi: 10.1186/s12888-016-1018-z

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Results of the principal component analysis of cognitive measures. Two components were extracted, representing attention / executive functions (component 1) and memory (component 2). All weightings of at least a _ij = .40 are depicted. TMT A – Trail Making Test part A, TMT B – Trail Making Test part B, ECB – Everyday Cognition Battery, MVGT – Munich verbal memory test (adaptation of the California Verbal Memory Test), ADAS – Alzheimer’s Diseases Assessment Scale