M. Cikara et al., “Us Versus Them: Social Identity Shapes Neural Responses to Intergroup Competition and Harm,” Psych Sci 22 (2011): 306; E. R. de Bruijn et al., “When Errors Are Rewarding,” J Nsci 29 (2009): 12183; J. J. Van Bavel et al., “Modulation of the Fusiform Face Area Following Minimal Exposure to Motivationally Relevant Faces: Evidence of In-group Enhancement (Not Out-group Disregard),” J Cog Nsci 223 (2011): 3343. К сноске: M. Cikar et al., “Their Pain Gives Us Pleasure: How Intergroup Dynamics Shape Empathic Failures and Counter-empathic Responses,” JESP 55 (2014) 110.