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. 2019 Sep 13;10:976. doi: 10.3389/fneur.2019.00976

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Copyright © 2019 Carr, Jaeger, Bian, He, Maserejian, Wang, Maruff, Enayetallah, Wang, Chen, Lerner and Tatsuoka.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) ADNI2 POSET model for cognitive functioning. Attributes of each level are listed in more detail in Table 4A. (B) AIBL POSET model for cognitive functioning. Attributes of each level are listed in more detail in Table 4B. The cognitive functions listed represent high proficiency in those functions. ATT, attention; EM1, EM2, EM3, episodic memory level 1, 2, or 3; VF, verbal fluency; CF, cognitive flexibility; PS, perceptual motor speed.