Figure 4.

Mean ERP amplitudes for the LPP. Mean ERP amplitudes across 300 to 700 ms and across 11 central-parietal electrodes relevant for the late positive potential (LPP) for neutral, negative, and spider pictures during the four tasks, separately for participants with and without spider fear. Error bars refer to the SEM derived from the MSE within each group.

Norberg and Wiens BMC Neuroscience 2013 14:139   doi:10.1186/1471-2202-14-139
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