Living with Familial developmental dysphasia
A language disorder in children that makes speaking and understanding speech difficult, running in some families.
Understanding Familial developmental dysphasia
The difficulties are not explained by hearing, intellectual, autism spectrum, or other developmental problems, a brain injury, or the child's social setting. Cases have been reported to run in families.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Trouble finding words
- Delayed spoken language (expressive language delay)
- Speech that is hard to understand
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include brain and nervous system specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
- 4Connect with expert centers
Apraxia Kids and Childhood Apraxia Treatment may keep lists of experts for this condition.
Care & treatment
- Care team
- Brain and nervous system specialists (neurologists)
- Expert care
- Expert lists: Apraxia Kids, Childhood Apraxia Treatment
- 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 Apraxia Kids 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
Quick facts
In families where it has been described, it is inherited in an autosomal dominant way, which means a change in one copy of the gene can cause it. GARD does not name the gene.
Also known as: billard toutain maheut syndrome; billard-toutain-maheut syndrome; foxp2-associated dysphasia
Patient organizations
- Apraxia KidsFamilial developmental dysphasia · United States
- Childhood Apraxia TreatmentFamilial developmental dysphasia · United States
You are more than your diagnosis
Perspectives from people navigating life with Familial developmental dysphasia.
Explore research for Familial developmental dysphasia
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- Eligibility is confirmed by the study team
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