Carter J. Funkhouser(2019) report that RewP is also referred to as the feedback negativity (FN) or feedback-related negativity (FRN).However, Michael P. Berry(2019) report that the RewP and FN are ERP components elicited by feed-back indicating rewards versus nonrewards, respectively. I wonder if FN and RewP are the same ERP component or two different ERP components ?
Berry, M. P., Tanovic, E., Joormann, J., & Sanislow, C. A. (2019). Relation of depression symptoms to sustained reward and loss sensitivity. Psychophysiology, 56(7). https://doi.org/10.1111/psyp.13364
Funkhouser, C. J., Auerbach, R. P., Kujawa, A., Morelli, S. A., Phan, K. L., & Shankman, S. A. (2019). Social Feedback Valence Differentially Modulates the Reward Positivity, P300, and Late Positive Potential. Journal of Psychophysiology. https://doi.org/10.1027/0269-8803/a000253
They are terms often used "interchangeably". FRN was identified with respect to instances where an individual receives loss-related feedback/non-reward; however, more recently an argument has been made that the component was not driven by a negativity but rather a positivity related to experiencing reward/gain-related feedback.
James Glazer has a really great 2018 paper entitled "Beyond the FRN: Broadening the time-course of EEG and ERP components implicated in reward processing" that covers almost everything related to EEG/ERP and Reward, and Section 3.1 provides a nice overview of the relationship between FRN and RewP.
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