By Andy Laird, Pain Specialist Physiotherapist

How Understanding Neurotags and Predictive Processing Can Change Your Relationship with Pain

Recently, I found myself standing barefoot in front of a bed of glowing red-hot coals, ready to participate in a fire walk. This wasn’t some sort of dare or mid-life crisis; I was genuinely curious about the ability to walk across fire, and the opportunity to support Retraining Pain’s chosen charity, Simon on the Streets was hard to pass by. The idea that it was possible to walk across coals heated to over 500 degrees and not experience excruciating pain seemed too good to be true, a challenge I was willing to try. 

But as I stepped onto those scorching coals, something remarkable happened: I felt warmth, but not pain. It wasn’t a superhuman feat, nor was it some mystical trick. The experience was both humbling and enlightening, challenging everything I understood about pain. As someone interested in pain science and the brain’s role in processing it, this moment sparked a deeper exploration into the mechanisms of pain perception, neurotags, and predictive processing.

Understanding Pain: The Brain’s Protective Role

Pain, contrary to popular belief, is not simply a direct result of tissue damage. It’s an experience generated by the brain, a complex protective mechanism designed to keep us safe. Our brains are constantly receiving signals from the body and interpreting them to determine whether or not we are in danger. This means pain is not necessarily a reliable indicator of damage.

For example, you might experience severe pain from a paper cut even though there’s minimal damage, while an athlete might continue playing despite a serious injury, feeling little to no pain in the moment. How is this possible? The answer lies in how our brains interpret sensory information based on context, past experiences, and expectations.

Neurotags: The Brain’s Pain Network

One of the key players in pain perception is something called a neurotag. Neurotags are networks of neurons in the brain that activate to create the experience of pain. These networks are not limited to the physical sensation of pain; they also incorporate emotional, psychological, and environmental factors. Think of neurotags like a security system that monitors for threats. If your brain perceives a threat, whether real or imagined, it activates these neurotags, leading to the sensation of pain.

The problem is that these neurotags can become overactive or overly sensitive, especially in cases of persistent pain. Your brain may start to interpret normal sensations or even the anticipation of movement as dangerous, triggering pain unnecessarily. This is why some people experience pain long after an injury has healed – the neurotags have become so efficient at their job that they keep firing, even when there’s no real threat.

Predictive Processing: How Expectations Shape Pain

Another fascinating concept in pain science is predictive processing. The brain is not just a passive recipient of sensory input; it’s constantly making predictions about what will happen next. These predictions are based on previous experiences, beliefs, and the current context.

When it comes to pain, predictive processing means that your brain is always trying to anticipate whether something will hurt. If you’ve experienced pain with a certain movement before, your brain is more likely to predict pain in the future, even if the original injury has healed. It’s like your brain is saying, “Last time we did this, it hurt, so let’s just go ahead and make it hurt again to be safe.”

This predictive nature of the brain can be both a blessing and a curse. On one hand, it’s an effective way to protect us from harm. On the other hand, it can create a self-fulfilling prophecy where the expectation of pain actually generates the experience of pain. This is particularly relevant in persistent pain conditions, where the pain persists long after the tissues have healed, largely due to the brain’s overactive predictions.

Fire Walking: A Real-World Example of Pain Recontextualization

So, how does fire walking fit into all of this? The act of walking on hot coals without pain or injury is a perfect demonstration of how the brain can override its usual protective mechanisms based on context and expectation.

When I stepped onto the hot coals, I was surrounded by people cheering, with music pumping, and an air of excitement all around. I had mentally prepared myself, focusing on the belief that I would not be harmed. My brain, taking in all this information, decided that the situation was safe. As a result, the neurotags responsible for pain were not fully activated. The brain’s predictive processing system adjusted its expectations, deciding that the heat was not a threat in that specific context.

It’s not that the coals weren’t hot – they absolutely were. But the brain’s interpretation of that sensory input was altered by the surrounding context, my mental preparation, and the adrenaline coursing through my system. This allowed me to walk across the coals without experiencing pain or injury, despite the extreme heat.

The Implications for Pain Rehabilitation

What does this mean for those of us who experience pain, especially persistent pain? The fire walking experience highlights a crucial aspect of pain rehabilitation: the brain’s role in interpreting and sometimes amplifying pain signals. Understanding this opens up new possibilities for reducing pain by altering how the brain processes sensory input.

1. Changing the Context

One of the most effective ways to influence pain perception is to change the context in which pain is experienced. This can be as simple as engaging in activities that you enjoy, surrounding yourself with positive stimuli, or using techniques like mindfulness to create a sense of safety. If your brain perceives the environment as safe, it is less likely to activate pain neurotags.

2. Using Neuroplasticity for Pain Relief

The brain is incredibly adaptable, a property known as neuroplasticity. By gradually exposing yourself to movements or activities that normally cause pain, you can retrain your neurotags to be less sensitive. This is the principle behind graded exposure therapy, where you slowly and safely reintroduce activities that have become associated with pain, helping to reduce the brain’s overreaction.

3. Challenging the Brain’s Predictions

Since pain is heavily influenced by the brain’s predictions, one of the keys to managing pain is to change those predictions. Pain Reprocessing Therapy (PRT), visualisation, and positive affirmations are all ways to challenge your brain’s assumptions about pain. By creating new, positive associations with movement and reducing the fear of pain, you can help your brain recalibrate its pain response.

Final Thoughts: Rethinking Pain

The fire walking experience taught me that pain is not as straightforward as we often think. It’s not just about what’s happening in the body; it’s also about what’s happening in the brain. The fact that we can walk on coals without pain shows that our brains have the power to reinterpret sensory input based on context, expectations, and beliefs.

By understanding the role of neurotags, predictive processing, and neuroplasticity, we can start to take control of our pain, instead of being at its mercy. Pain is real, but it’s also malleable. And that means there’s hope for anyone struggling with persistent pain. If fire walking has taught me anything, it’s that our brains are far more powerful – and more adaptable – than we give them credit for.

If we can help with your clients with pain, say hello on info@retrainingpain.co.uk