Feedforward Control
Launching an action from prediction rather than reacting to feedback.
Evidence: well established. We label every concept honestly, and say so when it's a teaching model. How we rate evidence.
Shrink Definition
Feedforward control is planning and launching a movement based on prediction, before any feedback arrives, rather than reacting to it. Fast actions like a tennis swing happen too quickly to correct mid-flight, so the brain predicts and pre-programs them. It complements feedback, which adjusts slower movements. Skilled performance relies heavily on good prediction.
Plain language
Planning a movement by prediction before any feedback arrives.
Shrink Insight
Fast skill runs on prediction, because feedback arrives too late.
Why it matters
It explains how fast, skilled movements work when feedback is too slow. It highlights the role of prediction in skill.
Common misunderstanding
People think all movement is guided by reacting to feedback. Fast actions rely on feedforward prediction, since feedback comes too late to help.
Shrink Perspective
Skill anticipates as much as it reacts.
Shrink Reflection
Which quick actions do I complete before I could react to them?
Shrink Step
For fast skills, train prediction and preparation, not just reaction.
Shrink Minute
Notice a quick action you complete before you could react to it.
Shrink Takeaway
Fast skill is predicted, not reacted.
Medical boundary
This concept is educational and shouldn't be used to self-diagnose. It doesn't replace care from a licensed clinician. Symptoms, medication, and treatment decisions should be discussed with a qualified professional, and emergency symptoms require emergency care.
Evidence summary
A well-established principle in motor control and neuroscience.
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