Brain study aims to unravel speech processing in language and hearing disorders
NCT ID NCT02574299
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at how the brain processes speech sounds in 25 people with language impairment or hearing loss. Researchers used e-learning games or hearing aids to see if these interventions change brain activity. The goal was to better understand the underlying problems and guide future treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- E-learning (serious game) and hearing aids
- What this could lead to
- If successful, this could help design better therapies for language and hearing disorders by understanding how the brain processes speech.
- What could go wrong
- This is a small, completed observational study with only 25 participants, so results may not apply broadly. It does not test a new drug or treatment.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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25 people
The number who actually took part.
- Start date
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Oct 2014
- Finished
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Mar 2018
- 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 to 70 years
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: For all subjects: * native French speaker * no medical treatment for behavior or neurological disorders * normal or corrected vision * right-handed * normal otorhinolaryngology examination * valid affiliation to social security * no participation to another research study For the normal-hearing subjects * normal tonal hearing thresholds * normal tympanometry For the subjects without specific language impairment * aged from 6 ro 40 * normal school attendance without scholastic retardation * normal intellectual level * normal for age reading skills * no delayed speech (expression \& production) For the children with specific language impairment * aged fom 8 to 18 * persistent specific literacy difficulties with reading levels at least 18 months behind that of their peers * normal intellectual level For the hearing impaired subjects * age from 18 to 70 * first auditory rehabilitation * bilateral and symmetric hearing loss (±10 dB) with hearing thresholds between 0 and 25 dB at 0.25 kilohertz, 0 and 35 dB at 0.5 kilohertz, 0 and 50 dB at 1 kilohertz, 25 and 70 dB at 2 kilohertz, 25 and 80 dB at 3 kilohertz, 30 and 80 dB at 4 kilohertz Exclusion Criteria: * non signed assent * treatment for depression, epilepsy, Parkinson's or alzheimer's disease during more than 6 months * physical health deficiency * mental retardation * neurological or psychiatric disease incompatible with testing procedure For children * known problem of hearing loss or chronic middle ear disease whic compromized the hearing status * schooling in a foreign language * foreign language spoken at home with both parents
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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.
Contacts and locations
Locations
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Sercive d'Audiologie et d'Exploration Orofaciales, Hôpital Edouard Herriot, Hospices Civils de Lyon
Lyon, 69003, France
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Other studies related to the condition(s) this trial covers.
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