Figure 2a: The time course
of signal changes in a voxel in the primary motor cortex during 12
trials of speaking a letter overtly (solid line). For comparison,
the time course of signal changes obtained in a voxel from the tongue
during the same task by the same subject (dashed line). Note the different
scales for activation and motion. |
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| Figure 2b: The average time courses of the BOLD responses and articulatory motion averaging over 12 repeated trials. |
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