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. 2019 Jan 7;29(3):1351–1368. doi: 10.1093/cercor/bhy322

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© The Author(s) 2019. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Experimental paradigm. The figure shows a pictorial representation of the 3 conditions that were used in the behavioral and fMRI sessions: (A) action execution (AE), (B) action observation (AO), and (C) action observation with visual cue (AOvc). The stimuli are shown above the arrow whereas the activity of the subject is shown below the arrow. During fMRI, every session lasted 8:33 min and the trials were administered in a counterbalanced and randomized order. The active trials (each lasting 3 s) were repeated 75 times and were divided equally between the 5 grip forces. A rest time of 2–12 s was allowed between active trials.