What causes functional movement disorder?

What causes functional movement disorder?

A functional movement disorder occurs when you experience unusual, involuntary movements or body positions. It is caused by a problem with the way signals are sent throughout the brain. Other terms for functional movement disorders are psychogenic movement disorders and conversion disorders.

What causes functional dystonia?

Functional dystonia can cause movement symptoms in the face, neck, shoulder, torso, and/or limbs. The onset of symptoms is often preceded by an injury, illness, or emotionally stressful event. Functional dystonia may occur in individuals exposed to psychological stressors or affected by psychiatric disorders.

What causes myoclonus dystonia?

Myoclonus dystonia is caused by loss-of-function-mutations in the epsilon sarcoglycan gene (SGCE). The disease is dominantly inherited, however SGCE is an imprinted gene, so only the paternal allele is expressed. Therefore, children suffering from this disease inherit the mutation from the father.

What is paucity of movement?

Movement disorders are defined as disturbances of the nervous system in which there is either an excess (hyperkinesia) or paucity (hypokinesia) of voluntary or automatic movements, not associated with weakness or spasticity. At a practical level they can be simply divided into parkinsonism and the dyskinesias.

Can anxiety cause movement disorders?

Just as stress can cause elevation in blood pressure, palpitations and tremors, stress can similarly manifest as disorders of movement. Understandably, the diagnosis of psychogenic (stress-induced) movement disorder can be a delicate matter both for physicians as well as patients.

What kind of doctor treats myoclonus?

The type of doctor that is typically trained to diagnose and treat myoclonus-dystonia is a neurologist with special training in movement disorders, often called a movement disorder specialist.