... 2.4 N2b A second N20 0 sub-component, the N2b, corresponds to voluntary processing and is elicited when subjects selectively attend to deviations in oddball paradigms. Unlike the MMN, the N2b ... as indices of progression. 2. The N20 0 Typically evoked 180 to 325 ms following the presentation of a specific visual or auditory stimulus, the N20 0 (or N2) is a negativity resulting from ... on this N20 0 sub-component. Unlike the MMN, the N2b has been found to reflect alterations in orthography, phonology, and semantics in addition to visual and auditory deviations [26]. N2b amplitudes...