Final answer:
Communication apprehension refers to a person's fear or anxiety about communicating, which is broader than just stage fright. Actors use this apprehension as a cue for authenticity in performance. Anticipating public speaking can activate the sympathetic nervous system, leading to the 'fight or flight' response.
Step-by-step explanation:
Communication apprehension is indeed related to stage fright, but it is a broader concept. While stage fright usually refers to the nervousness or fear one might feel before performing or speaking in public, communication apprehension encompasses a broader range of contexts where someone might feel anxious about communicating. This can occur in personal conversations, meetings, and even written communications, in addition to public speaking situations.
The fear an actor experiences can serve as a powerful cue. It may indicate that an actor is on the cusp of revealing the emotional truth of their character to the audience. Hence, embracing this fear can be crucial for delivering an authentic performance that audiences can connect with. This vulnerability is often what gives a character depth and believability.
As for the effect of anticipating a public speech, it can activate the sympathetic nervous system. This is the part of the autonomic nervous system responsible for the 'fight or flight' response. Anticipating the stress of public speaking can lead to physiological changes such as an increased heart rate, sweating, and heightened senses, all of which are part of the body's preparation to face a challenging situation.