“…Especially, the FRN amplitude, which represents the brain sensitivity to the failure of decision-making, has been well documented (e.g., Xu et al, 2020a , b ). It is considered as the brain response to positive and negative outcomes, such as gain and loss ( Gehring and Willoughby, 2002 ; Yeung and Sanfey, 2004 ; Martín, 2012 ; Ma and Hu, 2015 ; Ma et al, 2017 ).…”