The capacity to sustain sensory contact with what is happening right now — with your partner, the environment, and yourself — rather than retreating into internal processing. Be-present is the directive; presence is the thing you're developing. One is "do this." The other is "this is the capacity that makes doing it possible."
Presence is somatic first. It lives in the body before the mind: breath, weight on the floor, the senses engaged. You see your partner. You hear the space. You feel your own physical state. The cognitive framing — "allocate bandwidth outward" — is one useful lens, but the actual experience is more like dropping the inner noise and finding that contact with reality was already there underneath. Spolin's entire pedagogy is built on this: physical engagement (space work, point of concentration) produces presence. You don't think yourself present. You sense yourself there.
Presence is not passivity — it's active receptivity. A present improviser isn't blank or waiting. They're intensely alert — hungry for what's happening. Johnstone's image: the cat watching the mouse hole. Responses emerge from contact with the moment rather than from a script prepared in advance. Present performers react to what was said; absent performers react to what they expected.
Presence is observable. You can see it in someone's eyes — are they looking at you, or through you? You can feel it in their responses — do they react to what you just said, or to a point from thirty seconds ago? You can hear it in their timing — is there latency, or are they right with you?
Presence is lost primarily to self-protection. Fear is the engine: fear of silence, fear of being wrong, fear of the unknown direction the scene might take. The mind retreats inward to plan a safe response, and presence evaporates. This is why trust and bravery are prerequisites — you can only stay present if you trust the ensemble to hold you while you're exposed.
Presence is the foundation. Without it, no other principle works. You can't accept an offer you didn't hear. You can't defer judgment on something you missed. You can't send honest signals from inside your head. You can't keep things simple when you're compensating for lost context.
The practice of presence is the practice of noticing when you've left — and coming back. Not once, but continuously. Every improviser drifts. The skill is in the speed of return. And often, the mechanism of return is not internal discipline but your partner — the ensemble pulls you back through the force of their own presence and their offers.