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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05929898
Other study ID # Pro00112672
Secondary ID 1R01MH131667-01
Status Recruiting
Phase N/A
First received
Last updated
Start date July 30, 2023
Est. completion date September 9, 2026

Study information

Verified date February 2024
Source Duke University
Contact Laura Yost
Phone 919-681-4601
Email laura.yost@duke.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this research study is to understand how healthy individuals self-regulate motivation by observing brain activity using magnetic resonance imaging (MRI).


Description:

Neuromodulatory nuclei detect and transform brain network activity into simpler signals, then send neurotransmitters back out to large-scale brain networks to change their function. Such nuclei are centrally implicated in mental disorders and adaptive resilience, and their regulation remains an untapped resource for interventions. The purpose of this study is to understand how neuromodulatory nuclei detect and in turn influence distributed patterns of brain activity to impact behavior. In order to understand their regulation and effects on brain function, the investigative team has developed novel neuroimaging, behavioral, and analytic methods. These methods include: training participants to endogenously self-regulate dopaminergic midbrain and then relating midbrain activation to memory-conducive states, effort exertion, and decision making. If the aims of this project are achieved, the investigators will have methods for regulating midbrain noninvasively, an improved understanding of its impact on learning and motivated behavior, and reliable cognitive strategies for a wide array of interventions across educational and clinical applications.


Recruitment information / eligibility

Status Recruiting
Enrollment 190
Est. completion date September 9, 2026
Est. primary completion date September 8, 2026
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - Age between 18 and 45 years - Male or female - Right-handed - In good general health - Women of childbearing capacity: use of effective method of birth control Exclusion Criteria: - Current or diagnosis within past six months of an DSM-V Axis I or Axis II disorder (self-reported) - Current or past six month use of prescription medications indicated for psychiatric conditions (e.g.,depression, anxiety) - Current serious medical illness (self-reported) - Head injury resulting in loss of consciousness - For participants age > 59 years, a total scaled score < 8 on the Dementia Rating Scale-2. - A clinically-defined neurological disorder including, but not limited to: - Any condition likely to be associated with increased intracranial pressure - Space occupying brain lesion - History of stroke - Transient ischemic attack within two years - Cerebral aneurysm - Dementia - Mini Mental Status Exam (MMSE) score of <24 - Parkinson's disease - Huntington's disease - Multiple sclerosis - Presence of cochlear implants or other implanted electronic devices or non-removable metal (e.g., non-removable piercing, IUD) - History of an eye injury involving metal. Participants who worked with metal may be allowed to participate on a case-by-case basis with prior written approval from BIAC. - Claustrophobia or unwillingness to tolerate the confinement associated with being in the MRI scanner. - Weight of more than 250 pounds

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Ventral tegmental area of dopaminergic midbrain (VTA) fMRI neurofeedback
fMRI neurofeedback training of sustained midbrain/VTA activation via motivational imagery.

Locations

Country Name City State
United States Center for Cognitive Neuroscience Durham North Carolina

Sponsors (2)

Lead Sponsor Collaborator
Duke University National Institute of Mental Health (NIMH)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percent signal change in VTA BOLD activation During the MRI scan, approximately 2 hours
Secondary Change in effort-based decision making, as measured by the Effort Expenditure for Reward Task (EEfRT) Decisions to exert effort. During the MRI scan, approximately 2 hours
Secondary Change in motivated memory, as measured by the Monetary Incentive Encoding task (MIE) Improved motivated memory formation. During the MRI scan, approximately 2 hours
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