“If my scans are clear, why does it still hurt so much?” It is one of the most important questions in
modern pain science — and the answer changes everything about how we understand chronic pain.What I want to do here is explain what is actually happening in the body and brain when pain becomes
persistent. Because once you understand the relationship between chronic pain and the nervous system,
the experience begins to make a very different kind of sense. And that shift in understanding can be
genuinely important.
What Pain Actually Is
Pain is not simply the result of physical damage. It is the nervous system’s interpretation of a
threat signal.
When you stub your toe or cut your finger, specialised nerve endings called nociceptors detect that
something has happened and send a signal up through the spinal cord to the brain. The brain then
processes that information — weighing up context, memory, emotion, and perceived danger — and may
produce the experience of pain as a protective response.
This is acute pain. It serves a clear purpose. It makes you stop, protect the injured area, and allow
healing to take place.
Chronic pain works differently. In many cases, the original injury — if there was one at all — has
long since healed. The tissues are no longer damaged. The scans are clear. And yet the pain continues.
“Chronic pain may result from changes in the nerves or nervous system that result in the nerves
continuing to signal pain after the original condition has healed.”
— Australian Institute of Health and Welfare
When the Nervous System Stays on High Alert
The answer lies in what happens to the nervous system over time when pain signals keep firing.
Under normal circumstances, pain is temporary. The nervous system responds to a perceived threat,
then settles back down once the threat has passed. But in chronic pain, this process can break down.
The nervous system may become stuck in a prolonged state of heightened sensitivity — a well-documented
process known as central sensitisation.
Central sensitisation occurs when the central nervous system undergoes structural, functional, and
chemical changes that make it more responsive to pain signals. Research published in the
Cleveland Clinic Journal of Medicine confirms that the nervous system can maintain this
sensitised state even without continued input from damaged tissue. In other words, the original source
of pain no longer needs to be present for the pain experience to continue.
In this state, normal stimuli can produce disproportionate pain responses. Touch that should feel
neutral might feel painful. Areas of the body that were never injured may begin to hurt. Pain can
move, shift, and spread — which is why so many people with chronic pain find their symptoms confusing,
and why practitioners who focus only on the site of pain so often come up empty-handed.
The NIH’s StatPearls clinical resource (updated May 2025) describes central sensitisation as a state
in which the central nervous system remains hyperexcited, amplifying pain signals even in the absence
of ongoing peripheral input. This is not imagined or exaggerated pain. It is a real, measurable change
in the way the nervous system processes and transmits information.
This is why chronic pain and the nervous system are now understood to be deeply inseparable — and why
chronic pain is increasingly recognised not merely as a symptom of something else, but as a condition
of the nervous system in its own right.
Why Pain Site and Pain Source Are Often Different
One of the most significant — and least widely understood — aspects of chronic pain is this: where you
feel pain is not necessarily where the problem originates.
When the nervous system is in a sensitised state, pain signals can travel through pathways that
intersect across many areas of the body. The brain’s internal pain map can become distorted. Pain may
be felt in one region while the underlying driver of the nervous system’s dysregulation sits somewhere
entirely different.
This is why so many people living with chronic pain spend years — sometimes decades — chasing the site
of their pain. Treatment after treatment is directed at the location where pain is felt, without
lasting relief. And this makes sense when you consider that if the pain source and the pain site are
different locations, treating only the site will rarely resolve the problem.
A peer-reviewed review published in Open Biology by the Royal Society (December 2025)
reinforces this clearly: chronic pain is the result of structural and functional changes in the nervous
system, not simply a peripheral phenomenon. The pain is real. The nervous system changes are real. But
the approach to addressing them needs to be different.
Where you feel pain and where the problem originates are frequently two different places.
Understanding this distinction is the beginning of a different conversation about what
treatment can actually achieve.
Working With the Nervous System, Not Against It
Finch Therapy is a non-invasive, non-manipulative therapy developed by retired Brisbane therapist
Kym Finch. It is built on the understanding that chronic neuro-musculoskeletal pain is a whole-person
experience — one that requires working with the nervous system rather than simply targeting the
location where pain happens to be felt.
Rather than chasing pain sites, Finch Therapy works to identify the points along neural pathways where
the nervous system is being dysregulated — and to address them directly. The goal is not symptom
management in the conventional sense. It is to help the nervous system begin recalibrating: to move it
out of that prolonged state of high alert and support it toward a different pattern of response.
This is not about willpower or pushing through. It is about understanding that the nervous system is
always responding to input, and that the right kind of input — applied with precision and care — can
meaningfully influence how it functions.
I trained with Kym Finch from the inception of this methodology, and Finch Therapy is the only
approach I offer at Morningside Remedial Therapy. If you would like to understand more about the
principles behind it, I invite you to visit
morningsideremedialtherapy.com.au.
If You Are Living With Chronic Pain
If you have been living with persistent pain and feel like you have exhausted your options, I want you
to know this: your pain is real. It is not in your head. And it is not a sign that nothing can be done.
Understanding the relationship between chronic pain and the nervous system is not just academic
knowledge — it is a reframe that matters. It explains why pain can persist long after an injury has
healed. It explains why treatments aimed only at the pain site so often fall short. And it opens the
door to a different kind of conversation about what might actually help.
The clinic is currently closed while I take some time for recovery, but I am very much looking forward
to returning. In the meantime, I will continue sharing information about chronic pain, nervous system
regulation, and the Finch Therapy approach here and across social media. There is plenty more to come.
Sources
- Australian Institute of Health and Welfare (AIHW). Chronic Pain in Australia. aihw.gov.au
- Chronic Pain Australia. 2024 National Pain Report. chronicpainaustralia.org.au
- Neblett R et al. Central sensitization, chronic pain, and other symptoms. Cleveland Clinic Journal of Medicine, 2023. DOI: 10.3949/ccjm.90a.22019
- Dydyk AM et al. Central Pain Syndrome. StatPearls, NIH, updated May 2025.
- Wadhwa K et al. Decoding chronic pain: insights into the transition from acute to persistent pain. Open Biology, Royal Society, December 2025. DOI: 10.1098/rsob.240234
Follow along for more on chronic pain, the nervous system, and the Finch Therapy approach.
