It is commonplace in philosophy and psychology to divide emotions into two groups: basic and complex emotions. Complex emotions, such as grief, regret, and jealousy, have highly variable appearances ...

Early in my career, a client of mine told me that she heard somewhere that there are three basic emotions—joy, anger, and fear—and wanted to confirm with me that the information was correct. I paused ...

Emotions are an important part of human intelligence. Identifying specific emotional categories from complex neural patterns, i.e., the neural decoding of emotional information, is a key issue in ...