Researchers have conclusively identified the genetic cause of a rare, progressive movement disorder. A rare extra-long version of a gene appears to cause nerve cells to become poisoned by toxic ...

Dopamine deficiency occurs when levels of the neurotransmitter dopamine are low, affecting movement, emotions, sleep, and cognitive function. It is linked to various health conditions, such as ...

While restless leg syndrome (RLS) and periodic limb movement disorder (PLMD) are separate conditions, treatment options for both mostly overlap. Both restless leg syndrome and periodic limb movement ...

Getting your Trinity Audio player ready... Dear Eric: I am a young adult with a movement disorder similar to Parkinson’s. It causes uncontrollable, violent, jerky, muscle movements, called dyskinesias ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Psychomotor agitation involves repetitive, unintentional movements due ...

Dysdiadochokinesia is the inability to perform quick, alternating movements, such as opening and closing a fist or tapping a foot. It is usually a symptom of an underlying health condition that ...

Scientists have found a key brain network that’s disrupted by Parkinson’s disease, according to a study published today in Nature. The results change doctors’ understanding of what causes Parkinson’s ...

A neurologic disorder is any condition that affects the brain and nerves throughout the body. Common neurologic conditions in children include epilepsy, cerebral palsy, attention deficit hyperactivity ...