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Parkinson's learning breakthrough? delayed feedback shows promise

NCT ID NCT06217484

Knowledge-focused Sponsor: Kessler Foundation 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looked at whether giving feedback after a delay, instead of immediately, helps people with Parkinson's disease learn better. Forty participants completed a computer task where they got either instant or 25-minute-delayed feedback. The goal was to see if delayed feedback improves learning, since it may rely less on dopamine, which is disrupted in Parkinson's.

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 it works, this could point toward better learning strategies for people with Parkinson's disease.
What could go wrong
This is a small, completed study with only 40 participants. The results may not apply to everyone with Parkinson's, and the benefit is about learning, not treating the disease itself.

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.

Participants

40 people

The number who actually took part.

Started

Sep 2023

Finished

May 2025

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.

Who is studied

Individuals with Parkinson Disease

Ages

55 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: * Only participants with scores above 24/30 on the Montreal Cognitive Assessment will be recruited for participation to exclude dementia. Exclusion Criteria: * Individuals with neurological conditions other than PD such as epilepsy, multiple sclerosis, brain tumors, etc. will be excluded to control for the effects these conditions have on the brain and behavior.

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Conditions

The condition(s) this trial relates to.

Parkinson disease

As listed by the trial registrant

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

Parkinson disease

Contacts and locations

Locations

  • Kessler Foundation

    East Hanover, New Jersey, 07936, United States

More trials for these conditions

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