Surface potential (SP [µV]) and Spherical Spline (CSD [µV/cm²]) topographies of right-handed healthy adults (n=30) and depressed patients (n=28) for Emotional Content (left) and Visual Field effects during hemifield presentations of emotional stimuli (pictures of cosmetic surgery patients showing disordered [negative] or healed [neutral] facial areas before or after treatment). Single columns show the respective difference topographies (i.e., "negative minus neutral" and "right-visual-field (RVF) minus left-visual-field (LVF)"). Shown are the topographies in steps of 50 ms after stimulus onset -- click on the image to load and play the complete AVI animation (0 - 995 ms). The grand average ERP waveforms comparing both groups for Emotional Content or Visual Field effects can be viewed in Adobe acrobat format. Compare these findings to those of our previous study.
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