Fig. 6: P2 results at the outcome feedback stage.

a Grand averaged P2 waveforms from the Pz electrode, elicited by viewing products (AM, non-AM) and product effects (Good, Poor). b Topographic maps of P2 for the difference between product-type (AM minus non-AM) waves for both Good (left) and Poor (right) conditions within the interval of 200–280 ms. c Averaged P2 amplitudes comparison under these four conditions. Error bars = ±1 SE, *p < 0.05, ns not significant. AM means anthropomorphism.