<p>Mixed emotions amount to the experience of the co-occurrence of positively and negatively valenced emotions. Within affective science, it remains controversial whether mixed emotions can occur at all. In this paper, I suggest that hierarchical Bayesian approaches to cognitive and affective modelling show that there are at least two types of mixed emotions, namely, “transitional” and “tiered” emotions. These emotions are not commonly considered in the literature. Transitional emotions amount to pairs of emotions that successively alternate but that fuse during representational transitions. Tiered emotions emerge from simultaneous estimations of error reduction rates at different timescales.</p>