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. 2014 Mar 14;8:24. doi: 10.3389/fninf.2014.00024

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Copyright © 2014 Eklund, Dufort, Villani and LaConte.

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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Motion parameter errors for the different software packages, averaged over 198 datasets with artificial motion. The error bars represent the standard deviation. The testing datasets were generated by applying random translations and rotations to the first fMRI volume in each dataset, and then adding Gaussian noise or a shading. The amount of noise was defined by setting the standard deviation to a percentage of the maximum intensity value. Different interpolation modes were tested, as the software packages have different default settings for interpolation (d denotes the default interpolation). The presented results were generated with an Nvidia GPU, and equal results were also obtained by the Intel CPU and the AMD GPU.