theJugglingCompany.com

Blog · 22 June 2026 · 6 min read Brain

The Brain Throws First

Neural activity for voluntary movement begins 200-500ms before the movement itself (Libet et al., 1983). In juggling, the next throw is planned before the current catch resolves. The leadership analogue: monitoring what is already in flight is reactive; running ahead of the pattern is the only way to stay in time with it.

A human side-profile silhouette with a brightly lit, glowing brain visible inside the skull, and three blue luminous balls flowing outward in a smooth arc from in front of the figure - the neural cascade made visible

The brain throws first. Motor neuroscience has a specific, replicated finding behind this claim: neural activity associated with voluntary movement begins 200-500 milliseconds before the movement itself (Libet et al., Brain, 1983). The decision to throw a ball precedes the physical release by a measurable interval. By the time the ball leaves the fingertips, the decision is already in the past.

For an experienced juggler, the implication runs further. The next throw is planned while the current catch is still in progress. The neural system is always slightly ahead of the visible pattern, and the gap between intention and action is the substrate of the skill.

200ms
Neural planning precedes physical action
Motor neuroscience (Libet et al., and subsequent studies) has consistently found that brain activity associated with voluntary movement begins 200-500ms before the movement itself. The brain throws first.
Next throw
Already planned before the current catch
In juggling, the next throw is planned before the current catch has completed. Experienced jugglers are always two steps ahead of the current moment in their neural planning - they live in the near future.
Arc direction
Set by intention, corrected by feedback
The initial arc direction is set by the neural plan. Small corrections during flight - the micro-adjustments that catch a slightly mistimed throw - come from a feedback loop, not a new plan.

The decision you cannot see

The arc of a thrown ball is the visible, external, photographable part of the practice. The neural activity that produced the arc is invisible. You see the balls. You do not see the decision.

The decision is what produced the arc. Every visible throw is downstream of an internal commitment that took place a fifth of a second earlier. That gap is small enough to feel simultaneous and large enough to govern everything the body does next.

What this means for how we think about leadership

Leadership in organisational change is often described in response terms: the leader responds to what is happening, manages the situation, addresses the issues that arise. This framing is accurate but incomplete.

The other half of the picture is forward planning. The leader who is only responding is tracking the ball that is currently in flight - attending to what is already in motion. The leader who is planning the next throw before the current one has resolved is doing something structurally different: living in the near future of the change, preparing the conditions for what is coming rather than managing what is here.

In juggling terms: the novice watches the ball. The expert watches the space where the next ball will peak.

The visible action is always downstream of an invisible intention. Manage the intention.

The problem with only watching the balls

In most change programs, the monitoring structure is built around what is visible: milestones reached, deliverables submitted, surveys completed, adoption metrics reported. These are the balls in flight. Tracking them is necessary and correct.

It is not enough. An anticipatory practitioner is not watching the balls. They are ahead of them.

The change program that only monitors balls in flight - that has no forward-planning structure, no anticipatory attention toward where the pattern is going to be next - is running on reactive mode. It will catch what it catches, and drop what it drops, and be surprised by what it is surprised by.

The program with anticipatory structure - that tracks leading indicators, that asks “where will the next resistance point be?” and “what do we need to have ready before the next phase lands?” - is running on the brain-throws-first model. It has decided the next throw before the current one has resolved.

Further reading

  • Libet, B., Gleason, C.A., Wright, E.W., and Pearl, D.K. (1983). “Time of conscious intention to act in relation to onset of cerebral activity (readiness-potential).” Brain, 106(3), 623-642. The foundational paper establishing that neural activity preceding voluntary movement begins 200-500ms before the movement itself - the empirical basis for “the brain throws first.”
  • Haggard, P., and Eimer, M. (1999). “On the relation between brain potentials and the awareness of voluntary movements.” Experimental Brain Research, 126(1), 128-133. Extended Libet’s findings; showed that the lateralized readiness potential specifically predicts which hand will move, not just that movement is coming - relevant to the hand-specificity of juggling motor planning.
  • Wolpert, D.M., and Ghahramani, Z. (2000). “Computational principles of movement neuroscience.” Nature Neuroscience, 3(suppl), 1212-1217. The computational forward model framework that explains how the brain pre-plans the throw before the current catch completes - the mechanism behind anticipatory juggling.
  • Huys, R., and Beek, P.J. (2002). “The coupling between point-of-gaze and ball movements in three-ball cascade juggling.” Journal of Sports Sciences, 20(3), 171-186. Eye-tracking study showing expert jugglers fixate where the next ball will peak - not where the current ball is. Direct empirical support for the anticipatory orientation described here.

Read next: The Practice That Rewires You - how sustained physical practice changes the brain doing the planning. Juggling and the Science of Attention - the eye-tracking evidence for anticipatory versus reactive gaze strategies.