- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04543500
Self-regulation of Prefrontal Cortex During Emotional Cognitive Control (SPrC)
Deficits in emotional cognitive control are present in a number of clinical psychiatric populations including depression, anxiety, and PTSD. Deficits in this domain of function limit one's ability to focus attention on goal directed activities while inhibiting reactions to irrelevant emotional stimuli, and this contributes to the symptoms of these disorders and makes individuals less likely to be successful in existing treatments. The left dorsolateral prefrontal cortex (LDLPFC) and its connectivity with other regions (i.e., dorsal anterior cingulate cortex, ventromedial prefrontal cortex, insula, amygdala) is thought to play a central role in facilitating emotional cognitive control. However, past research has primarily utilized correlational approaches that limit conclusions about the directionality of these relationships. Enhancing our understanding of the neural underpinnings of emotional cognitive control could be valuable for informing treatment for populations with deficits in these processes.
The current study utilizes a neuromodulatory approach called real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) whereby participants observe their own neural activity in the moment and are taught to self-regulate this activity. Healthy adult participants will be trained to increase neural activity in LDLPFC while involved in mental tasks involving emotional cognitive control processes. The mental tasks will include counting, remembering words, or planning events while viewing negatively-valenced emotional words (e.g., kill, death, threat). This study will use an experimental approach with participants being randomized to either LDLPFC rtfMRI-nf or control rtfMRI-nf where participants receive neural feedback from a region not involved with emotional cognitive control processes. Resting-state fMRI scans and behavioral testing sessions will take place before and after rtfMRI-nf.
The specific aims are to examine the impact of LDLPFC rtfMRI-nf on: (1) LDLPFC activity during emotional cognitive control and (2) LDLPFC functional connectivity with other brain regions during rest. Additionally, this study will examine the neural correlates of emotional cognitive control independent of rtfMRI-nf. Thus, the final specific aim is to (3) Investigate relationships between individual differences in LDLPFC engagement, cognitive control performance, trauma history, and sleep quality. To facilitate the relevance of these findings to clinical populations, trauma exposure and sleep quality will be explored as moderators of neural change across time for those in the rtfMRI-nf group.
To these ends, this study will use rtfMRI-nf to experimentally investigate the relationship between LDLPFC activity and emotional cognitive control as well as investigate these neural mechanisms independent of rtfMRI-nf. This research will improve our understanding of emotional cognitive control and demonstrate whether this is a modifiable target for intervention in populations with deficits in this domain of function.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Oklahoma
-
Tulsa, Oklahoma, United States, 74136
- Laureate Institute for Brain Research
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- able to provide informed consent
- sufficient English proficiency to complete procedures
- absence of any DSM-5 psychiatric disorder
Exclusion Criteria:
- meeting criteria for any DSM-5 psychiatric disorder
- current prescription of psychiatric medication
- history of moderate to severe traumatic brain injury
- diagnosis of neurologic disorders
- current alcohol/drug abuse
- MRI contra-indications (e.g., metal in body)
- uncorrected vision/hearing problems
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Active Left Dorsolateral Prefrontal Cortex rtfMRI-nf
Real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) will target left dorsolateral prefrontal cortex.
Participants in this arm will receive active feedback while attempting to modulate their neural activity during an emotional cognitive control task.
|
Real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) is a procedure using an MRI scanner that allows participants to observe their own neural activity in the moment.
They are taught to self-regulate this activity during a task.
|
Active Comparator: Sham Left Dorsolateral Prefrontal Cortex rtfMRI-nf
Real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) will target left postcentral gyrus.
Participants in this arm will receive sham feedback while attempting to modulate their neural activity during an emotional cognitive control task.
|
Real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) is a procedure using an MRI scanner that allows participants to observe their own neural activity in the moment.
They are taught to self-regulate this activity during a task.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Left dorsolateral prefrontal cortex activity during emotional cognitive control (pre- to post-neurofeedback)
Time Frame: Approximately 2 hours after baseline assessment
|
Individual ability to regulate left dorsolateral prefrontal cortex activity during an emotional cognitive control task will be assessed before and after neurofeedback for both active and sham conditions.
|
Approximately 2 hours after baseline assessment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Left dorsolateral prefrontal cortex functional connectivity with other brain regions during rest (pre- to post-neurofeedback)
Time Frame: Approximately 2 hours after baseline assessment
|
Individual functional connectivity values between left dorsolateral prefrontal cortex and other brain regions during rest will be assessed before and after neurofeedback for both active and sham conditions.
|
Approximately 2 hours after baseline assessment
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Emotional Stroop Average Reaction Time
Time Frame: Approximately 1 day after baseline assessment.
|
Average reaction time on the emotion condition of the emotional Stroop task.
|
Approximately 1 day after baseline assessment.
|
Color Word Stroop Average Reaction Time
Time Frame: Approximately 1 day after baseline assessment.
|
Average reaction time on the inhibition condition of the color word Stroop task.
|
Approximately 1 day after baseline assessment.
|
Flanker Task Average Reaction Time
Time Frame: Approximately 1 day after baseline assessment.
|
Average reaction time on the incongruent condition of the Flanker task.
|
Approximately 1 day after baseline assessment.
|
Emotional Stroop Reaction Time Difference
Time Frame: Approximately 1 day after baseline assessment.
|
Difference in reaction time for emotional versus neutral conditions of the emotional Stroop task.
|
Approximately 1 day after baseline assessment.
|
Color Word Stroop Reaction Time Difference
Time Frame: Approximately 1 day after baseline assessment.
|
Difference in reaction time for inhibition versus reading conditions of the emotional Stroop task.
|
Approximately 1 day after baseline assessment.
|
Flanker task Reaction Time Difference
Time Frame: Approximately 1 day after baseline assessment.
|
Difference in reaction time for incongruent versus congruent conditions of the Flanker task.
|
Approximately 1 day after baseline assessment.
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Robin L Aupperle, Ph.D., Laureate Institute for Brain Research
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2019-012
- F31MH122090 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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