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Difference in gamma activity from baseline to worry (baseline-worry) at the P3 electrode (left parietal) as a function of differences from baseline to worry in fear ratings (baseline-worry) across GAD patients (square markers) and control participants (triangle markers). The direction of the correlation suggests that increased fear ratings from baseline to worry were associated with increased gamma activity in the left parietal region (r=−0.49, p<.01, 2-tailed).
