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Behavioural Intervention

Task Practice Interventions for Executive Function

N/A
Recruiting
Led By David Badre, PhD
Research Sponsored by Brown University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Normal or corrected to normal vision
Be between 18 and 65 years old
Must not have
Usage of brain related medications
Presence or history of neurological or psychiatric disorders
Timeline
Screening 3 weeks
Treatment Varies
Follow Up through study completion, an average of 1.5 years
Awards & highlights
No Placebo-Only Group

Summary

This trial aims to investigate how practicing multitasking affects the brain. Participants will learn and practice two tasks, either separately or together, over several days. The researchers will use brain imaging and behavioral tests to

Who is the study for?
This trial is for individuals with ADHD, healthy subjects interested in executive function, and those who can perform tasks based on different rules. Participants will be trained to multitask or single-task over multiple days.
What is being tested?
The study tests how practicing multitasking versus single tasks affects the brain's task management. It measures changes in behavior and brain activity using psychological tests and fMRI before and after practice sessions.
What are the potential side effects?
Since this is a behavioral trial involving practice of cognitive tasks without medical interventions, there are no direct side effects like those seen with medications; however, participants may experience fatigue or stress.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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My vision is normal or corrected to normal.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I am taking medication for a brain condition.
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I have a history of neurological or psychiatric conditions.
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I have had an injury involving a metal object.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~through study completion, an average of 1.5 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and through study completion, an average of 1.5 years for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Contribution of overall and task-relevant neural separability in lateral prefrontal cortex to the effect of multitasking practice on behavioral multitasking cost
Effect of multitasking practice on behavioral multitasking cost
Effect of the practice intervention on change in overall and task-relevant neural separability in lateral prefrontal cortex
Secondary study objectives
Coding axis angles between stimulus feature representations in two tasks in lateral prefrontal cortex
Cross-classification generalization performance of task-relevant variables in lateral prefrontal cortex

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Multitask PracticeExperimental Treatment1 Intervention
Group II: Single Task PracticeActive Control1 Intervention

Find a Location

Who is running the clinical trial?

Brown UniversityLead Sponsor
465 Previous Clinical Trials
698,976 Total Patients Enrolled
National Institute of Mental Health (NIMH)NIH
2,898 Previous Clinical Trials
2,732,686 Total Patients Enrolled
David Badre, PhDPrincipal InvestigatorBrown University
~40 spots leftby Jul 2026
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