
Functional neurological disorder is more common than ALS and multiple sclerosis.
Hoover's sign indicates basic motor control pathways are intact in functional neurological disorder.

Functional neurological disorder symptoms are among the top reasons people visit neurologists.
Childhood maltreatment is not a required risk factor for functional neurological disorder.

Functional neurological disorder was historically called hysteria.
Functional neurological disorder has been labeled psychogenic illness, medically unexplained symptoms, and conversion disorder.
Conversion disorder posits psychological conflict is converted into physical symptoms.
Functional neurological disorder is no longer diagnosed solely by excluding other conditions.
Functional neurological disorder can be diagnosed using rule-in clinical signs.
Functional neurological disorder diagnosis no longer requires a preceding psychological stressor.
Physical injury can trigger functional neurological disorder symptoms.
Functional tremor is associated with abnormalities in sense of agency or action authorship.
Mark Hallett, Valerie Voon, and colleagues found right temporoparietal junction activation abnormalities in functional movement disorder.

Hoover's sign can show normal involuntary leg strength despite voluntary weakness in functional neurological disorder.

DSM-5, published in 2013, included functional neurological symptom disorder.
Functional neurological disorder care can involve physical therapy, occupational therapy, and speech-language pathology.
Cognitive behavioral therapy is often combined with physical treatments for functional neurological disorder.

Specialized cognitive behavioral therapy protocols exist for people with functional neurological disorder.