When arousal occurs, one's interest or attention to the deviation increases, resulting in less attention paid to the message and more attention to the source of the arousal. There are two kinds of arousals. Cognitive arousal is an idea that people will be mentally aware of the violation. Physical occurs when people have body actions and behaviors in response to the deviations from their expectations. For example, when one experiences physical arousal, he or she chooses to move out of the physical space, keep the distance with other conversationalists, or stretch his or her body. Beth Le Poire and Judee Burgoon research to examine physical arousal in conversation. The result shows that after participants report their cognitive arousal, physically speaking, their heart rate decreases and pulse volume increase.Le Poire, B. A., & Burgoon, J. K. (1996). Usefulness of differentiating arousal responses within communication theories: Orienting response or defensive arousal within nonverbal theories of expectancy violation.
