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Living with Spinocerebellar ataxia type 36

An inherited condition starting in mid-adulthood with worsening balance problems, tongue and muscle wasting, and sometimes hearing loss.

Understanding Spinocerebellar ataxia type 36

Spinocerebellar ataxia type 36 (SCA36) is an inherited condition with progressive movement problems that typically begin in mid-adulthood.

People first have trouble with coordination and balance (ataxia), and often have strong reflexes and slurred speech. They usually develop twitching and wasting of the tongue, which can make swallowing liquids hard. Later, muscles in the legs, forearms and hands may waste. Some have eye muscle problems or hearing loss. Brain imaging shows shrinkage, especially of the cerebellum.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Poor balance and coordination (ataxia)
  • Slurred speech (dysarthria)
  • Twitching and wasting of the tongue
  • Muscle wasting in the limbs
  • Slow eye movements
  • Hearing loss

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include brain and nervous system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in NOP56 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    National Ataxia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: National Ataxia Foundation
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with National Ataxia Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can genetic testing of the NOP56 gene confirm this diagnosis?
Should a swallowing specialist evaluate me?
How often should hearing be tested?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Dominant
GenesNOP56

GARD lists changes in the NOP56 gene. It is inherited in an autosomal dominant pattern, meaning one changed copy of the gene is enough.

GeneticNeurological

Also known as: asidan; asidan ataxia; costa de morte ataxia; sca36; spinocerebellar ataxia 36; spinocerebellar ataxia type36

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Spinocerebellar ataxia type 36GARD ID 12367 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Spinocerebellar ataxia type 36.

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