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NIMH K23: Modulation of Frontoparietal Dynamics in Adolescent Working Memory Deficits

Status: Recruiting
Location: See location...
Intervention Type: Device
Study Type: Interventional
Study Phase: Not Applicable
SUMMARY

Working memory (WM) deficits are a transdiagnostic feature of adolescent psychopathology that substantially contribute to poor clinical and functional outcomes. This proposal will utilize a multimodal neuroscientific approach to investigate whether non-invasive brain stimulation can modulate the neural mechanisms underlying adolescent WM deficits. Directly in line with NIMH priorities, the researchers will identify the contributing roles of prefrontal and parietal regions in WM processes, as well as identify optimal targets and parameters for novel brain-based treatments in adolescent psychopathology. This study is funded by the NIMH-K23

Eligibility
Participation Requirements
Sex: All
Minimum Age: 12
Maximum Age: 18
Healthy Volunteers: f
View:

• Ability to provide assent and have parent provide parental permission

• English fluency of the participant and the legal guardian/parent

• 12-18 years

• Parent rating on BRIEF-2 Working Memory: Greater than 1.0 SD above normative mean.

• IQ \> 80

• Clinical diagnosis of attention deficit hyperactivity disorder (ADHD): predominantly inattentive type, predominantly hyperactive/impulsive type, combined type, or unspecified type. Diagnostic criteria will be confirmed with NICHQ Vanderbilt Assessment Scales-Parent.

Locations
United States
Rhode Island
E. P. Bradley Hospital
RECRUITING
East Providence
Contact Information
Primary
Brian Kavanaugh, PsyD ABPP
Brian_Kavanaugh@Brown.edu
14014321359
Time Frame
Start Date: 2022-12-01
Estimated Completion Date: 2026-12-01
Participants
Target number of participants: 40
Treatments
Experimental: Active intermittent Theta Burst Stimulation
In a 2x2 factorial double-blind design, researchers will randomize a sample of adolescents with WM deficits to intermittent theta burst stimulation (iTBS) at the left dorsolateral prefrontal cortex (DLPFC) or inferior parietal lobule (IPL), based on each participant's structural brain MRI.~Participants in both arms will complete an active iTBS session and a sham iTBS session. The primary outcome will be theta-gamma coupling during WM demands, as measured via electroencephalography (EEG) during a Sternberg spatial WM task (SWMT) immediately before and after iTBS.
Experimental: Sham intermittent Theta Burst Stimulation
In a 2x2 factorial double-blind design, researchers will randomize a sample of adolescents with WM deficits to intermittent theta burst stimulation (iTBS) at the left dorsolateral prefrontal cortex (DLPFC) or inferior parietal lobule (IPL), based on each participant's structural brain MRI.~Participants in both arms will complete an active iTBS session and a sham iTBS session. The primary outcome will be theta-gamma coupling during WM demands, as measured via electroencephalography (EEG) during a Sternberg spatial WM task (SWMT) immediately before and after iTBS.
Related Therapeutic Areas
Sponsors
Leads: Bradley Hospital

This content was sourced from clinicaltrials.gov