Defining FND
Functional Neurological Disorder (FND) is a medical condition where there is a problem with how the brain sends and receives signals. While the structural hardware of the brain (the neurons and pathways) is intact, the functional software is disconnected or malfunctioning.
The Hardware vs Software Analogy
Key Facts
- FND is real: It is recognized by major medical bodies including the Mayo Clinic and the World Health Organization.
- It is common: FND is second only to headache as a reason for neurology visits.
- It is reversible: Unlike many neurological conditions, the brain in FND can be "re-trained" through specialized therapy.
How Does It Work?
Current research using fMRI shows that in FND, areas of the brain involved in intentional movement and sensory processing aren't communicating properly. The "agency" part of your brain (the part that says "I am moving my arm") loses its grip, leading to symptoms that feel involuntary.
Brain Science
Learn about network dysfunction and the biological mechanisms of FND.
Clinical Evidence
Explore the studies proving FND as a verifiable neurological condition.
Who Does It Affect?
FND can affect anyone regardless of age, gender, or background. While it was historically misunderstood, we now know it is a complex biopsychosocial condition that requires a multidisciplinary approach to care.