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Figure 2. Expanded cortical magnetic field accompanying jaw-opening movements in subject 3. Rightmost vertical line indicates the time of onset of digastric EMG. Abbreviations: RF, readiness field; MEF, motor-evoked field; PMF, post-movement field. Horizontal thick straight line indicates the average level of the resting magnetic field; shaded areas above and below show 2 SD of the resting field, respectively. These values were obtained from the resting field for the period of 300 ms at the beginning of the window (leftmost period indicated by bilateral arrow). Dotted line represents regression line to determine the time of RF onset.
