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. 2006 Dec 20;1(1):e28. doi: 10.1371/journal.pone.0000028

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Seitz et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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For each group a direction discrimination test was performed before and after 9 days of training and CFFT was measured at the beginning of each training session.

In Direction-Training, subjects reported two-targets (shown in white) at the end of the trial and a specific direction of motion was paired with task-targets.

In No-Motion training, task was the same, but no dots were displayed.

In No-Coherence training, task was the same but dots all moved randomly.

In N-Back training, task was to report if a letter was repeated twice in a trial (in this case the L; shown in white for graphic purposes), there was no relationship between task-targets and motion directions.