
What is Conversion Disorder and Why Anxiety is the Gateway
Have you ever felt that your body reacts to stress in ways that don’t make sense? Tremors for no reason, seizures that seem epileptic but aren’t, or a temporary paralysis that appears in the most difficult moments.
This is not your imagination. It has a name: conversion disorder - also called functional neurological disorder (FND).
The confusion is because the symptoms are real. Very real. The problem is that there is no organic lesion causing them. The brain is creating neurological symptoms without there being any structural damage to the nervous system.
Now, the part that hardly anyone explains: Anxiety is often the initial trigger. And in most cases, it’s also the fuel that keeps the cycle going.
The Real Connection Between Anxiety and Conversion Disorder

The human brain has an alarm system. When it perceives a threat, it activates the stress response — the famous “fight or flight”. In people with chronic anxiety, this system is permanently switched on, even when there is no real danger.
The result? The brain begins to misinterpret bodily signals. A racing heart becomes evidence of something terrible happening. Muscle tension becomes a sign of impending illness.
Over time, this pattern repeats itself. The nervous system becomes sensitized. And when the stress load reaches a certain threshold, the brain “converts” anxiety into physical symptoms — symptoms that mimic real neurological diseases.
Anxiety doesn’t just cause emotional discomfort. It can manifest as functional neurological symptoms.
Research published in the Journal of Neuropsychiatry and Clinical Neurosciences confirms this link: between 70% and 80% of people with functional neurological disorder have a documented history of anxiety disorder. Neurosymptoms.org, the reference portal led by neurologist Dr. Jon Stone at the University of Edinburgh, details this mechanism and confirms that chronic anxiety is one of the most consistent risk factors for the development of functional symptoms.
The Role of the Nervous System in Conversion
When I talk to patients with conversion disorder, I explain it like this: the brain has a built-in “safety mode”. When anxiety gets too high, this mode activates to protect the person.
The symptoms - tremors, seizures, paralysis - are actually signs that the brain is trying to process an emotional overload. It’s not fraud. It’s not an invention. It’s the body responding to a real problem, only in a maladjusted way.
The good news: this mechanism can be reprogrammed. That’s exactly what hypnotherapy does.
The Predictive Brain and Functional Symptoms
Modern neuroscience offers an additional perspective: the concept of the predictive brain. According to this theory, the brain doesn’t just process body signals — it anticipates them. Based on anxiety history and past experiences, the brain develops expectations about what the body will feel.
In people with conversion disorder, these expectations become self-fulfilling. The brain “learns” to produce the symptoms because it has associated certain situations or emotional states with those responses. It’s a learning mechanism — not invention, not manipulation.
This perspective explains why psychoeducation works so well in the early stages of treatment: when the person understands this mechanism, the fear-symptom cycle starts to weaken. See also the article on clinical hypnosis for FND to understand how this mechanism is addressed in clinical practice.
Signs that Anxiety is Feeding the Disorder

How do you know if your symptoms are “just” anxiety or if they’ve crossed over into conversion disorder territory? These are the most common patterns I see in my patients:
Tremors and Functional Shaking
Involuntary movements that appear at times of high anxiety. They’re not seizures, but they look like them. The body shakes as if it were under attack, even without any external stimulus to justify the reaction.
Non-Epileptic Seizures
Episodes that mimic epilepsy - loss of consciousness, uncontrolled movements, body rigidity - but without the electrical brain activity characteristic of an epileptic seizure. These seizures are often triggered by traumatic memories or situations of high emotional stress.
Functional Paralysis
Temporary loss of movement in a limb or the whole body. The person is unable to walk, move their arms, or speak for minutes or hours. Clinically, there is no injury to justify the paralysis.
Sensory Symptoms
Blurred vision, impaired hearing, numbness or tingling with no identifiable neurological cause. These are symptoms that appear and disappear depending on stress levels.
Common Pattern
All these symptoms have one thing in common: They start or get worse in contexts of emotional stress. They show up when anxiety spikes. They improve when you calm down. And they return when the next high-stress episode hits.
What Hypnotherapy Does That Other Treatments Don’t

There are several approaches to conversion disorder. Physiotherapy to recover motor function. Medication to reduce underlying anxiety. Conversational psychotherapy to explore past traumas.
They all have their place. But hypnotherapy has a specific advantage: It acts directly on the nervous system that is generating the symptoms.
How Hypnotherapy Works for Functional Symptoms
When a person is in a hypnotic trance, the prefrontal cortex - the area of the brain responsible for analytical thinking - becomes less active. At the same time, the sympathetic nervous system slows down. The stress response temporarily shuts down.
This is important because the symptoms of conversion disorder are maintained by a vicious cycle: high anxiety keeps the nervous system on high alert, which perpetuates the symptoms, which increases anxiety.
By breaking this cycle at its root - the neurological state of hyperactivation - hypnotherapy allows the nervous system to “reset”. Not by magical suggestion. By a real neurophysiological mechanism.
What Happens in Practice
In a hypnotherapy session for conversion disorder, the work goes through several phases:
- Regulation of the nervous state - teaching the patient to enter a state of conscious deep relaxation
- Interrupting patterns - identifying and breaking the thought cycles that feed anxiety
- Reinterpretation - helping the brain to reinterpret body signals in a less threatening way
- Anchoring - creating a calming response that can be activated when symptoms start to appear
The result is not just a feeling of well-being. It’s a real change in the way the nervous system responds to stress.
In practice, patients describe the process this way: in the first sessions, the effect is calm — the nervous system slows down. In subsequent sessions, they start to identify triggers more clearly. From there, the work deepens: accessing memories and patterns the brain has associated with the symptomatic response. Not dramatically. Gradually, in a controlled and clinically guided way.
How to Identify and Break the Cycle
If you suspect your anxiety is feeding conversion disorder symptoms, here are the practical steps I recommend. These steps don’t replace specialized treatment — they complement it. The goal is to create conditions for the nervous system to start recognizing and interrupting the cycle.
Step 1: Observe the Pattern
For two weeks, write down when the symptoms appear and what was happening before. Ask yourself:
- Were you stressed/anxious?
- Was there an event that was weighing you down?
- Did the symptoms appear after thinking about a specific situation?
This record allows you to see the pattern. And the pattern is almost always the same: emotional stress triggers symptoms.
Step 2: Activate Relaxation Before Symptoms
When you feel anxiety rising, don’t wait for symptoms to appear. Use a regulation technique immediately:
- Diaphragmatic breathing (4 seconds in, 7 seconds out)
- Progressive muscle relaxation (tense and relax muscle groups)
- Focusing on an object or sound (grounding)
Step 3: Question the Catastrophe
When symptoms appear, the tendency is to think “I’m having a crisis” or “something terrible is happening”. Instead, ask:
- “Has this happened before? What actually happened?”
- “Is there any injury that explains this?”
- “Is my brain overacting to something?”
These questions aren’t denial. They’re recognition that the pattern is functional, not organic.
Step 4: Seek Specialized Help
If symptoms persist or interfere with your life, find a professional with experience in conversion disorder. Combining hypnotherapy with medical follow-up is the most effective treatment approach. You can also read what science says about whether FND can be cured and the treatment options for functional neurological disorder.
Frequently Asked Questions

Can anxiety cause conversion disorder?
Yes. Chronic anxiety is one of the main risk factors for developing a conversion disorder. When the nervous system is in a state of prolonged hyperactivation, the likelihood of functional symptoms appearing increases significantly.
How do I know if I have TNF or another diagnosis?
The diagnosis of functional neurological disorder is made by exclusion. After neurological assessments and imaging that reveal no organic cause, and when the symptoms correspond to known functional patterns, the diagnosis of TNF is considered. A neurologist or psychiatrist can make this assessment.
Does hypnosis work for functional symptoms?
Yes. Hypnotherapy is one of the approaches with the most evidence for the treatment of conversion disorder. By acting directly on the patient’s neurological state, it allows the nervous system’s response to stress to be reprogrammed.
How long does treatment take?
It varies. Some patients see significant improvements in 4-6 sessions. Others need a longer process. What matters is consistency — and working with a professional who has experience with FND.
Can I work and have a normal life during treatment?
Yes — and it’s recommended. Isolation and inactivity tend to worsen conversion disorder. Maintaining routines adapted to your current pace, with clinical support, is part of the recovery process. The goal isn’t to put life on hold while treating: it’s to adjust the pace while the nervous system rebuilds its responses to stress.
The Next Step
If any of the patterns in this article sound familiar, your situation has a solution. Conversion disorder isn’t permanent. And the anxiety feeding it can be managed effectively.
The first step is simple: seek specialized help. If you want to find out whether hypnotherapy can help your specific case, [contact Fabio Morus. No commitment. First consultation is a conversation, not a sales pitch.
Anxiety doesn’t have to be the sentence it seems. The cycle doesn’t break overnight — but it does break. With the right approach and specialized support, most people with conversion disorder are able to return to a full life. The research supports this, and clinical experience confirms it every day.
About the author: Fabio Morus is a certified Ericksonian Hypnotherapist with over 500 sessions completed. Specializing in functional neurological disorder, anxiety, and phobias, he offers online sessions worldwide and in-person sessions in Jersey, Channel Islands. His approach combines clinical hypnotherapy, psychoeducation, and evidence-based techniques for functional neurological conditions.