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The feedback-locked negativity (FRN). (A) Difference waveforms associated with negative feedback to unexpected errors (HCE − LCC) and expected errors (LCE − HCC) for entity and incremental theorists. The black arrow points to the part of the waveform corresponding to the peak of the negativity in the raw waveforms (300 ms; see Figure 2C and G). (B) Scalp topography of the FRN difference wave at its peak latency, collapsed across group and expectancy.
