a target count (Kayser and Tenke, 2006a, 2006b; Tenke et al., 1998, 2008). This highly-distinct sink-source pattern was also present for response-locked ERPs of correct trials recorded during auditory and visual recognition memory tasks (Kayser et al., 2007), revealing inverse old/new effects consistent with bilateral activation of anterior cingulate and supplementary motor area (orthogonal to the medial cortical surface within the longitudinal fissure, with opposite orientations in the two hemispheres). Given that these overlapping old/new effects imply motivational and/or self-monitoring processes (e.g., Luu et al., 2000), this distinct response-related, mid-frontal negativity in schizophrenic patients is also of interest in the context of a word recognition memory paradigm.
