The neurophysiological mechanisms involved in the evaluation of performance feedback
have been widely studied in the ERP literature over the past twenty years, but understanding
has been limited by the use of traditional time-domain amplitude analytic approaches.
Gambling outcome valence has been identified as an important factor modulating event-
related potential (ERP) components, most notably the feedback negativity (FN). Recent work
employing time-frequency analysis has shown that processes indexed by the FN are …