Deep brain stimulation treats intention tremors but does not help related diseases or disorders such as dyssynergia and dysmetria.

It is named for James Ramsay Hunt who first described a form of progressive cerebellar dyssynergia associated with myoclonic epilepsy in 1921.

Lesions to the cerebellum can cause dyssynergia, dysmetria, dysdiadochokinesia, dysarthria, and ataxia of stance and gait.

The most common ataxia's dyschronometria has been seem to be evident with are dyssynergia, dysmetria, dysdiadochokinesia, dysarthria as well as the ataxia's effecting stance and gait.

Cardiospasm Dyssynergia Esophagus Esophageal Aperistalsis Megaesophagus None Achalasia is a rare disorder of the esophagus, the tube that carries food from the throat to the stomach.

It has also been alternatively called dyssynergia cerebellaris myoclonica, dyssynergia cerebellaris progressiva, dentatorubral degeneration, or Ramsay Hunt cerebellar syndrome.

It is also a common treatment used among spinal cord injury patients who are unable or unwilling to use intermittent catheterization to empty the bladder, and cannot otherwise void due to detrusor sphincter dyssynergia.

As stated in the Rome II criteria, the term "dyssynergic defecation" is preferred to "pelvic floor dyssynergia" because many patients with dyssynergic defecation do not report sexual or urinary symptoms, meaning that only the defecation mechanism is affected.

Neurological diseases and disorders such as a stroke, multiple sclerosis, Parkinson's disease, and spinal cord injury can disrupt the lower urinary tract and result in conditions such as urinary incontinence, detrusor overactivity, urinary retention, and detrusor sphincter dyssynergia.