When One of Your Sensors Lies, Your Whole Body Compensates

You've probably seen it before, maybe at home. An athlete who stacks up training sessions without transferring anything to the game. A patient who always relapses on the same ankle. An elderly person who loses balance as soon as the light dims. A child who always bumps into the same table corners. Someone who twists their foot on a sidewalk they've walked a thousand times.

Each time we look for the cause in the muscles, concentration, bad luck. And each time we miss the essential.

 

The word of the day: sensory calibration

 

This is our second RNP glossary term. Sensory calibration is the continuous adjustment your brain makes so that the information sent by your different sensory receptors (the eyes, the inner ear that detects balance and head movements, the soles of the feet, the muscles themselves) all tell the same story to the brain, at the same time, without contradiction.

 

We use a very clear image to describe this. Your brain is like a neural GPS with three satellites. Satellite number 1 is vision. Number 2 is the vestibular system (the inner ear). Number 3 is proprioception (the sensors in the muscles, joints, and the soles of the feet, seen in episode 1).

As long as the three satellites send coherent signals, the GPS works, you move with ease, you stand without thinking about it.

 

If just one of the three satellites starts giving strange, delayed, or contradictory information, we fall into a sensory conflict (researchers say sensory mismatch in English): the other sensors tell one story, this one tells another, and your brain has to choose.

And when it has to choose between two contradictory pieces of information, it makes the safest decision possible. It restricts movement. You still move, but with less amplitude, less precision, more tension. You haven't felt anything consciously, yet the quality of the movement has already dropped.

 

Compensation versus Calibration

 

This is the core of the RNP reflection. Faced with a sensor that lies, your body has two possible strategies.

 

Compensation is a local and silent solution: the brain learns to manage despite the faulty sensor by relying more on the other two.

It works, but at a cost. What is learned in compensation does not transfer. We progress in the gym, we regress as soon as the context changes. We stand on a mat, we fall on uneven ground. A chain of muscles exhausts itself compensating, and it is often the one that ends up hurting.

 

Calibration is the opposite. We restore the faulty sensor (through specific work on the vestibular system, the soles of the feet, peripheral vision, deep neck muscles), and the neural GPS regains its three satellites.

The movement starts to transfer everywhere because the perception → action loop (seen in episode 1) regains a healthy base for learning.

Research documents it: simple desensitization of the plantar skin is enough to degrade anticipatory postural adjustments (the micro-contractions that prepare your posture before each step, Lhomond et al. 2019, Frontiers in Neurology).

Removing a sensor from the system means removing the entire body from its learning loop.

 

Whether you are accompanying athletes, patients in clinics, children, the elderly, or seeking this framework for yourself, LabO RNP has built an introduction that sets this paradigm and shows how it is implemented in reality.

 

👉 Discover it here, it's free!

 

The LabO-RNP Team