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Living with Autosomal recessive cerebellar ataxia - pyramidal signs - nystagmus - oculomotor apraxia syndrome

A rare inherited brain condition that begins in infancy and affects development, balance, and eye movements.

Understanding Autosomal recessive cerebellar ataxia - pyramidal signs - nystagmus - oculomotor apraxia syndrome

This rare genetic condition slowly affects the brain, causing delayed development, balance problems, and eye movement problems from infancy.

Development is delayed, starting in infancy. Intellectual disability ranges from mild to profound. People have trouble with balance and walking (ataxia) and unclear speech. Eye problems include shaky eye movements (nystagmus), trouble starting eye movements (oculomotor apraxia), and eyes that turn inward or droop. Brain scans show shrinking of the cerebellum.

Signs & symptoms

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

  • Delayed development
  • Trouble with balance and walking (ataxia)
  • Shrinking of the cerebellum
  • Shaky eye movements (nystagmus)
  • Trouble starting eye movements (oculomotor apraxia)
  • Low muscle tone (hypotonia)

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. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  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
Would genetic testing help find the cause?
Which therapies might support development and movement?
Which eye specialist should follow the eye movement problems?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive

It is autosomal recessive, so a child inherits a changed copy of a gene from each parent. GARD does not name a gene here.

GeneticNeurologicalInherited Metabolic

Also known as: autosomal recessive cerebellar ataxia-pyramidal signs-nystagmus-oculomotor apraxia syndrome; autosomal recessive cerebellar ataxia, pyramidal signs, nystagmus, oculomotor apraxia syndrome

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Autosomal recessive cerebellar ataxia - pyramidal signs - nystagmus - oculomotor apraxia syndromeGARD ID 17556 · 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 Autosomal recessive cerebellar ataxia - pyramidal signs - nystagmus - oculomotor apraxia syndrome.

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