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What Does the Research Say?
Functional Neurological Disorders: More Common Than You Think
One of the most frequent diagnoses in neurology clinics, yet most healthcare professionals receive minimal training in recognizing it.
5-15%
of patients seen in outpatient neurology clinics have Functional Neurological Disorders. That puts FND on par with multiple sclerosis and Parkinson disease in prevalence.
The Numbers Behind FND
4-12
New cases per 100,000 people per year
Comparable to the annual incidence of multiple sclerosis and amyotrophic lateral sclerosis.
60-75%
Female predominance
Women represent the majority of FND cases, though functional movement disorders show a more balanced distribution.
20-50
Peak onset age range (years)
FND most commonly develops in young and middle-aged adults, though it can occur at any age.
10-25%
Have comorbid neurological conditions
FND can coexist with epilepsy, multiple sclerosis, or Parkinson disease. One does not exclude the other.
⚠️
Patients with FND experience disability and reduced quality of life comparable to or exceeding those seen in patients with structural neurological diseases. Higher rates of emergency department visits, longer hospital stays, and greater diagnostic testing costs make FND a significant burden on healthcare systems.
3 Takeaways for Your Practice
1
Screening Priority
FND Is Not Rare. Start Looking for It.
If FND accounts for up to 15% of your neurology referrals, you are almost certainly seeing these patients already. Recognizing FND early reduces diagnostic delays, unnecessary testing, and patient suffering.
2
Equity Awareness
Socioeconomic Disadvantage Increases Risk and Reduces Access
Lower socioeconomic status is associated with higher FND rates and greater barriers to specialized care. Patients from disadvantaged backgrounds may have less access to the multidisciplinary rehabilitation that represents the standard of care.
3
Clinical Awareness
FND Can Coexist with Organic Neurological Disease
Up to 25% of FND patients have a comorbid neurological condition such as epilepsy or multiple sclerosis. Identifying organic disease does not rule out functional overlay. Both need to be addressed.
This content is for informational purposes for licensed clinicians and does not constitute medical advice or a substitute for your own clinical research and judgment. Content may include AI-synthesized information; all clinical data, protocols, and dosages must be verified against official primary sources prior to patient care. Any reference to CE rules or regulations is provided as a guide and must be independently verified against current governing body requirements prior to completing credits. This article may contain links to external websites or third-party AI platforms. Ridley Learning has no control over the nature, content, and availability of those sites and does not necessarily endorse the views expressed within them. Ridley Learning is not liable for any injury, loss, clinical outcomes, or licensure issues resulting from the use of or reliance on this information. Your use of this site constitutes acceptance of these terms.
Meet the Author: Anne Osborn, PT, MPT
Anne Perry Osborn is a distinguished physical therapist and entrepreneur with over two decades of experience bridging clinical practice and healthcare education. She holds a Master of Physical Therapy from Texas Tech University Health Sciences Center and currently serves as the Owner and Director of Quality and Accreditation at Ridley Learning. With a background that includes clinical roles in outpatient rehabilitation and home health, Anne brings practical, hands-on insight to her leadership in continuing education, ensuring that learning opportunities remain relevant and impactful for today's practitioners.
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