A–C, Schematic representations of experimental timeline (A) and MRI data processing (B, C). A–C, Schematic representations of experimental timeline (A)

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A–C, Schematic representations of experimental timeline (A) and MRI data processing (B, C). A–C, Schematic representations of experimental timeline (A) and MRI data processing (B, C). A, The timelines of the experiment are shown for each of eight cohorts of subjects admitted to and completed the study at different periods from 2008 to 2017. As indicated in the legend, the black squares represent an MRI sessions in the timeline of the experiment, and the numbers within them indicate an MRI protocol used at the time. B, The MR image processing is described in detail in the text (see Materials and Methods). C, Representation of the brain map of the monkey used for segmentation of ROIs in individual subjects (top, coronal; middle, axial; bottom, 3D image showing cortical surface, the cerebellum, and brainstem). The ROIs were labeled in INIA19 template brain. Tatiana A. Shnitko et al. eNeuro 2019;6:ENEURO.0044-19.2019 ©2019 by Society for Neuroscience