FIG. 4

Dipole source potentials and residual variance (RV) as evaluated from the data in Fig. 3 by hypothetical models A to D. Vertical bars mark the latency intervals 1–10 msec, 10–19 msec, and 19–49 msec. A shows that a central source is necessary to account for activity in the first interval as seen by a dip in RV. B shows that bilateral temporal pole sources account for considerable variance in the second interval, and D that adding a unilateral scalp source (due to myogenic reflex activity) gives a better solution than C, which is based on the results of A and B together. From Scherg (63).

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published 2000