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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Psychol Sci Public Interest. 2019 Jul;20(1):1–68. doi: 10.1177/1529100619832930

Figure 1. Explanatory frameworks guiding the science of emotion: The nature of emotion categories and their concepts.

Figure 1.

Figure is plotted along two dimensions. Horizontal: represents hypotheses about the surface similarities shared by instances of the same emotion category (e.g., the facial movements that express instances of the same emotion category). Vertical: represents hypotheses about the deep similarities in the mechanisms that cause instances of the same emotion category (e.g., to what extent do instances in the same category share deep, causal features?). Colors represent the type of emotion categories that are proposed in each theoretical framework (green = ad hoc, abstract categories; yellow = prototype or theory-based categories; red = natural kind categories).