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RewP difference waveforms. Difference ERP waveforms (wins AAA – near misses AAB) at electrode FCz. Time at 0 ms corresponds to Reel-3 outcome. Grey bar depicts reward positivity (RewP) measurement window. HC were divided using a median split, given a significant decline in RewP amplitude with age (Supplemental Materials). Abbreviations: HC, healthy controls; ESZ, early illness schizophrenia subjects; CSZ, chronic illness schizophrenia subjects.
