What Is an Emotion?

Focusing on emotions with distinct bodily expressions, the author explores how feelings like surprise, curiosity, and anger manifest physically. While some emotions lack visible expressions tied to mental operations, the text emphasizes the connection between emotional states and bodily reactions. The discussion highlights the complexity of emotional experiences, suggesting that certain nerve actions inherently produce pleasure or pain. By analyzing these "standard emotions," the author delves into the interplay between mental states and their physical manifestations.