Instead of using psychological 'mind tricks' (a top-down approach), focus on physiological interventions first. By controlling your breathing and vocal mechanics from the 'bottom-up,' you regulate your nervous system directly, which in turn calms your mind.

Attempting to control anxious thoughts with more thoughts ("top-down") is often ineffective. A more efficient strategy is to first regulate your body's physiology through techniques like controlled breathing ("bottom-up"), which then sends safety signals to the brain, making cognitive shifts easier.

High performance requires an optimal arousal level—not too nervous, not too calm. Dr. Gervais advises rating your activation on a 1-10 scale. If it's too high (e.g., a 7-10), use deliberate breathing to "back it down" into the optimal 4-6 zone. Self-talk is the other key lever.

Deep belly breathing, with a focus on a long exhalation, slows the autonomic nervous system and calms physical symptoms of anxiety like a shaky voice. It's a physiological hack to manage the fight-or-flight response.

This popular relaxation technique has a high-stakes origin. It was developed in the military to help snipers control their heart rate so precisely that they could fire a rifle between beats, preventing the pulse from altering the bullet's trajectory. This underscores its physiological effectiveness.

Dr. Andrew Weil's 4-7-8 breathing method—a simple, free yogic practice—is described as the most powerful anti-anxiety tool he's found, capable of lowering heart rate and outperforming many pharmaceuticals with consistent use.

To manage public speaking anxiety, communication expert Matt Abrahams advises focusing on deep belly breathing where your exhale is twice as long as your inhale. Just two or three of these breaths can slow your nervous system, lower your heart rate, and normalize your voice, providing an immediate calming effect.

To shift from anxiety to a peak performance state, use physical mechanisms. A specific technique involves scaled, intense breathing to oxygenate the brain and lower cortisol, followed by Qigong "cupping" to open the body's meridians. This provides a physiological lever for emotional regulation.

Shallow chest breathing during stressful situations creates a vicious cycle of anxiety. In contrast, deep belly (diaphragmatic) breathing is a direct physiological intervention that lowers your heart rate and calms your nervous system, giving you more control and presence.