Question

match each theory to its corresponding description *
opponent - process theory cannon - bard theory james - lange theory
emotional and physical arousal occur at the same time
the removal of a stimulus that causes an emotion will trigger the opposite emotion
we engage in a behavior first and then feel its corresponding emotion (frown, then feel sad)

Explanation:

The Cannon - Bard Theory posits that emotional and physical arousal occur simultaneously. The Opponent - Process Theory states that the removal of a stimulus causing an emotion triggers the opposite emotion. The James - Lange Theory suggests that we first engage in a behavior and then feel the corresponding emotion.

Answer:

Emotional and physical arousal occur at the same time: Cannon - Bard Theory
The removal of a stimulus that causes an emotion will trigger the opposite emotion: Opponent - Process Theory
We engage in a behavior first and then feel its corresponding emotion: James - Lange Theory