Figure 6.

Waveforms of the five midline electrodes (Fpz, Fz, Cz, Pz and Oz) and the topological distribution of the difference wave components reflecting selective attention (EPN and LPN) for deviant (left column) and standard (right column) stimuli across ages (YC = Younger Children, OC = Older Children, YA = Younger Adults, OA = Older Adults). Note that the LPN wave for deviant stimuli contains two subcomponents with frontal and parieto-occipital maxima.

Mueller et al. BMC Neuroscience 2008 9:18   doi:10.1186/1471-2202-9-18
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