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Brain wave study reveals how we hear language

NCT ID NCT05010473

Knowledge-focused Sponsor: Northwestern University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how the brain tracks speech sounds in healthy young adults. Researchers measured brain waves in English and Mandarin speakers to see how language experience and attention affect sound processing. The goal was to better understand the brain's role in hearing, which could help improve future hearing and language treatments.

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

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

73 people

The number who actually took part.

Started

Jan 2022

Finished

Mar 2026

Lead sponsor

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

13 to 25 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Age 13 years up to 25 years * Healthy volunteers * Native English speaking individuals with no exposure or experience to tonal languages * Native Mandarin speakers * Hearing sensitivity within normal limits (Puretone hearing thresholds \< 25dB from 250 * Hz to 8000 Hz) * Less than six years of formal music training or experience Exclusion Criteria: * Proficiency in languages other than English or Chinese * History of or current complaint of hearing loss or tinnitus * History of or current complaint of cognitive impairments * Individuals with more than 5 years of formal music experience or training * Complaints of impaired speech perception in noise

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Conditions

The condition(s) this trial relates to.

Language language disorder specific language impairment

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Language

Contacts and locations

Locations

  • Northwestern University

    Evanston, Illinois, 60208, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.