Actually psychologists have identified seven basic emotions: fear, anger, joy, sadness, surprise, contempt, and disgust. &quot;Surprise&quot; was considered similar enough to &quot;fear&quot; that Pixar made one character out of them; the same goes for &quot;contempt&quot; and &quot;disgust&quot;. Complexity in emotions arises from their interactions, much like how we perceive a spectrum of colors as a mixture of three primaries.<p>Most of the professionals in the field who saw <i>Inside Out</i> have praised it for getting the basics of emotion and memory right, even if it isn&#x27;t super accurate. It is after all a cartoon.