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. 2017 Oct 17;11:573. doi: 10.3389/fnins.2017.00573

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Copyright © 2017 Di and Biswal.

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) or licensor 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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Matrices of psychophysiological interaction (PPI) results among the 20 regions of interest of visual thalamus and visual cortex for the two TR (repetition time) runs and two methods. (A) PPI results using the deconvolution method in the TR 645 ms run. (B) PPI results using the non-deconvolution method in the TR 645 ms run. (C) PPI results using the deconvolution method in the TR 1,400 ms run. (D) PPI results using the non-deconvolution method in the TR 1,400 ms run. The resulting clusters were thresholded at p < 0.001.