Brain scans reveal why people with williams syndrome talk so well
NCT ID NCT07285720
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how hearing sensitivity (hyperacusis) might help language skills in children and adults with Williams syndrome. Researchers will use EEG and NIRS brain scans along with questionnaires to compare participants with Williams syndrome, Down syndrome, and typical development. The goal is to understand the role of phonological short-term memory in language, not to test any treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 130 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Jul 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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6 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * For SW and SD: genetic diagnosis and aged between 6- and 17 years old. * For typical participants: any child, adolescent or young adult of the same developmental or chronological age (between 6 and 17 years of age) * adult group (between 20 and 60 years). Exclusion Criteria: * Autistic Associated Disorders, * West syndrome
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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CHU Amiens
RECRUITINGAmiens, 80054, France
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Other studies related to the condition(s) this trial covers.
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- Eye scans could spot hidden vision risk in down syndrome