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Living with Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndrome

A very rare genetic condition that affects the head and face, movement and thinking.

Understanding Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndrome

Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndrome is a very rare condition that affects many parts of the body.

It changes the shape of the head and face and can cause trouble with movement and thinking. People may have a small head, sloping forehead, small or missing eyes, large ears and a cleft palate. They may also have trouble controlling their movements and have intellectual disability. It is present from birth.

Signs & symptoms

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

  • Small head (microcephaly)
  • Intellectual disability
  • Trouble controlling movements
  • Cleft palate
  • Small eyeballs (microphthalmia)
  • Crossed eyes (strabismus)

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 United Cerebral Palsy and other patient organizations
  • 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 find the cause of my child's condition?
What therapies can help with movement control?
Which eye and palate specialists should we see?

Quick facts

Symptoms usually startNewborn

GARD says changes in genes cause this condition, but it doesn't list the gene or how it is inherited.

GeneticNeurological

Also known as: severe microbrachycephaly, intellectual disability, athetoid cerebral palsy syndrome

Patient organizations

Source: NIH GARD · Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndromeGARD ID 3482 · 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 Severe microbrachycephaly-intellectual disability-athetoid cerebral palsy syndrome.

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