Better Understanding Functional Neurological Disorder

Functional Neurological Disorder (FND) is a complex, often misunderstood condition that sits at the intersection of neurology and psychiatry. Symptoms can include motor and sensory dysfunction that looks and feels very real — because it is — even though it doesn't stem from structural damage to the nervous system.

What is FND?

FND occurs when there's a problem with how the nervous system sends and receives signals, rather than damage to its structure. Think of it as a "software" problem rather than a "hardware" problem — the nervous system isn't functioning as it should, even though scans typically appear normal. This doesn't make the symptoms any less real or disabling.

Common symptoms

FND can present in many ways, including weakness or paralysis in a limb, tremors or unusual movements, non-epileptic seizures, sensory disturbances (numbness, tingling), and difficulties with speech, gait or balance. Symptoms can fluctuate and may be inconsistent in ways that puzzle both patients and clinicians unfamiliar with the condition.

Why FND is often misunderstood

Historically, FND was poorly understood and sometimes dismissed as "not real" or purely psychological. Modern understanding recognises FND as a genuine neurological condition involving how the brain processes and controls movement and sensation — and effective treatment requires taking the symptoms seriously.

How physiotherapy helps

Specialised physiotherapy is one of the most effective treatments for motor symptoms of FND. This typically involves retraining normal movement patterns through specific movement strategies, building awareness of triggers and symptom patterns, and gradual, structured practice to help the nervous system relearn typical movement control. This work is most effective when done by physiotherapists experienced in FND, often alongside psychological support.

A multidisciplinary approach

Because FND affects both the physical and psychological, the best outcomes typically come from a coordinated team — physiotherapy, and where appropriate, psychology or psychiatry, working together with a shared understanding of the condition.

If you or someone you know has been diagnosed with FND, our team has experience supporting patients through evidence-based physiotherapy. Contact us to discuss how we can help.