Investigation of Effects of Delayed Feedback on Non-motor Symptoms in Individuals With Parkinson's Disease

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

40 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-09-01

Study Completion Date

2025-05-31

Brief Summary

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Learning deficits are frequent in individuals with Parkinson's Disease. Clear feedback is integral because through feedback individuals know whether they should stick with an action that they have been doing (if the feedback is positive), or change their course of action (if the feedback is negative). Learning though immediate feedback has been shown to be depended on the brain chemical dopamine that is disrupted in individuals with Parkinson's Disease. During learning, feedback can also be presented after a delay. The investigators propose that learning through delayed feedback will lead to greater learning in individuals with Parkinson's Disease, since learning through delayed feedback does not rely on dopamine. During the proposed paradigm, participants with Parkinson's Disease complete a multiple-choice test. After making their selection on the multiple-choice test, they either see feedback immediately or are given feedback 25 minute later after reviewing their selection on the multiple-choice test. The investigators hypothesize that participants will learn better when they are provided with delayed feedback.

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Detailed Description

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Conditions

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Parkinson Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Parkinson Disease

Participants with Parkinson Disease; Single group.

delayed feedback

Intervention Type BEHAVIORAL

participants learn through either immediate or delayed feedback during a computer task

Interventions

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delayed feedback

participants learn through either immediate or delayed feedback during a computer task

Intervention Type BEHAVIORAL

Eligibility Criteria

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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.

Minimum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No