A common reason for doubting the strategic rationality of emotions is that they often appear to lead to impulsive physical and mental actions.
Translated as Psychology from an Empirical Standpoint, Antos C.
In Psychology there is a certain general consensus in talking about 6 types of basic emotions: fear, anger, disgust, sadness, surprise and joy.
Emotional intelligence is the ability to perceive, control and evaluate emotions.
The concept of a natural kind is itself contentious and probably more suitable for discussing the categories affective scientists are interested in, so we will speak of theoretical kinds instead, understood as groupings of entities that participate in a body of philosophically or scientifically interesting generalizations due to some set of properties they have in common.
Since most of the action in contemporary philosophy of emotions focuses on which alternate cognitions are to be preferred, we will devote a whole section to the topic.