The Nervous System and the Actor’s Craft
Acting is often described as “living truthfully under imaginary circumstances.” Yet what determines whether those circumstances feel truthful to the actor - and believable to the audience - is not only imagination and technique, but the actor’s nervous system. The body’s physiological state plays a tremendous role in shaping how present, an actor can be in a scene, whether it’s in class, in an audition, on stage, or on set. At its core, the nervous system regulates the body’s stress response, emotional processing, and capacity for presence. When the sympathetic nervous system is activated, we move into “fight, flight, or freeze” mode. How? The heart can race, breathing becomes shallow, and muscles can tighten. While this can sometimes be useful in high-stakes dramatic moments, more often it pulls the actor out of the present, narrows focus, and makes listening to a partner nearly impossible. Instead of responding authentically, the actor becomes self-conscious or mechanical, trapped in...