“…Upon closer inspection, it may appear that the difference of the two emotional expressions may be a matter of experimental method: Angrysuperiority effects tend to be reported in studies where visual search methods have been used (e.g., Hansen & Hansen, 1988;Juth, Lundqvist, Karlsson, & Öhman, 2005;Öhman, Lundqvist, & Esteves, 2001;however, Öhman, Juth, and Lindqvist, 2010, regarding the generality of the angry-superiority effects in visual-search tasks), and happy-superiority effects tend to be reported in studies where there is a categorization of individual stimuli (e.g., Esteves & Öhman, 1993;Grimshaw et al, 2004;Kirouac & Doré, 1983, 1984Leppänen & Hietanen, 2004, Milders, Sahraie, & Logan, 2008.…”