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. 2017 Jul 15;155:291–304. doi: 10.1016/j.neuroimage.2017.05.001

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© 2017 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 4. — Block-design synthetic data generation. The task-related component (C) is created through the convolution of the boxcar function (A) with the HRF (B). HbO₂ synthetic signals (G) are composed by the task-related component (C), a noise component (D) and a physiological task-independent component (F). HHb synthetic signals (E) include the task-related component (C) and a noise component (D). Green areas mark the task periods.