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Parkinson's study probes links between perception, mood, and sleep

NCT ID NCT05483036

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This completed observational study looked at how people with Parkinson's disease perceive the world, including unusual experiences like visual hallucinations. Researchers surveyed 54 participants online to see how these perceptual experiences relate to cognition, mood, and sleepiness. The goal was to better understand these connections, not to test any 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.

Participants

54 people

The number who actually took part.

Started

Sep 2022

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

PwPD volunteering for an online study

Ages

40 to 110 years

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: * Participants must be at least 40 years old * Have a self-reported diagnosis of idiopathic PD * Be proficient English speakers * Have functional vision * Have internet access, and access to a desktop computer or laptop Exclusion Criteria: * Self-reported poor vision (non-functional range) * Lack of access to internet and either a desktop computer or laptop

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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

  • Vision and Cognition Laboratory, Boston University

    Boston, Massachusetts, 02215, United States

More trials for these conditions

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