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Scientists peek inside the brain to unlock memory secrets

NCT ID NCT04500119

Knowledge-focused Sponsor: Cedars-Sinai Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 18, 2026 · Updated 3 times

Summary

This study looks at how the brain learns, remembers, and makes decisions. Researchers will record brain activity from 200 epilepsy patients who already have electrodes implanted for medical monitoring. Participants perform simple computer tasks while their brain signals are measured. The goal is to understand memory better, not to test a new treatment.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this research could point toward new treatments for memory disorders like Alzheimer's or brain injury.
What could go wrong
This is an observational study, not a treatment trial. It only measures brain activity, so it won't directly help participants. Results may not lead to therapies for years.

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

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2020

Expected to finish

Jul 2027

An estimate. End dates often move.

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 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Intractable epilepsy, undergoing invasive monitoring * Age ≥13 * Full Scale Intelligence Quotient \> 70 * Ability to comprehend and perform simple behavioral tasks by pressing buttons on laptop computer in response to questions. Exclusion Criteria: * Determination by clinicians and investigators that a patient is unable to complete the behavioral tasks required for the protocol due to either cognitive limits, psychological limits, or pain.

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Conditions

The condition(s) this trial relates to.

Drug Resistant Epilepsy epilepsy

As listed by the trial registrant

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

Epilepsy intractable

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • Cedars-Sinai Medical Center

    Los Angeles, California, 90048, United States

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