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NCT03814967 · ClinicalTrials.gov registry record · NA
Effects of Brain Stimulation on Higher-Order Cognition
A NA study, sponsored by University of California, Davis.
- Completed
- Registry status
- NA
- Development phase
- 86
- Enrollment target
NCT03814967: Completed NA study, sponsored by University of California, Davis.
NCT03814967 is a NA study that has completed, run by University of California, Davis. The registered enrollment target is 86 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03814967, a NA study, has completed, sponsored by University of California, Davis.
- COMPLETED
- Registry status
- NA
- Development phase
- 86 participants
- Enrollment target
Study Summary
The purpose of this study is to better understand the neural correlates of higher-order cognition, both in the healthy brain and in schizophrenia, and to determine how these mechanisms are modulated by transcranial direct current stimulation (tDCS) at frontal and occipital scalp sites. Testing the effects of tDCS at these scalp sites on cognitive task performance will help us understand the roles of the brain regions corresponding to these sites during higher-order cognitive processing (language comprehension, cognitive control, and related attention and memory processes). Behavioral and electrophysiological (EEG) measures will be used to assess cognitive performance. The investigator's overarching hypothesis is that stimulating prefrontal circuits with tDCS can improve cognitive control performance, and ultimately performance on a range of cognitive tasks, as compared to stimulating a different cortical region (occipital cortex) or using sham stimulation. This study is solely intended as basic research in order to understand brain function in healthy individuals and individuals with schizophrenia. This study is not intended to diagnose, cure or treat schizophrenia or any other disease.
Primary Outcome
Electrophysiological data recorded during completion of cognitive control and language comprehension tasks. We will measure oscillatory activity in the theta, alpha, beta and gamma frequency bands.
Interventions
- DEVICE Transcranial Direct Current Stimulation
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 86 participants |
| Start Date | 2019-05-22 |
| Est. Completion | 2025-05-31 |
| Phase | NA |
What the finished NCT03814967 record still lists
NCT03814967 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 86 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower).
The record links to 0 conditions, and to 1 intervention - of which Transcranial Direct Current Stimulation is the first listed.
NCT03814967 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03814967 about?
NCT03814967 is a clinical study titled "Effects of Brain Stimulation on Higher-Order Cognition". The purpose of this study is to better understand the neural correlates of higher-order cognition, both in the healthy brain and in schizophrenia, and to determine how these mechanisms are modulated by transcranial direct current stimulation (tDCS) at frontal and occipital scalp sites. Testing the e...
What is the current status of trial NCT03814967?
This trial is currently completed. It is a NA study. The enrollment target is 86 participants. The study started on 2019-05-22. Estimated completion is 2025-05-31.
What interventions are being tested in trial NCT03814967?
The interventions under investigation include: Transcranial Direct Current Stimulation (DEVICE).
Who is sponsoring clinical trial NCT03814967?
This trial is sponsored by University of California, Davis, which has 657 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03814967's enrollment target sits among peer trials
86 976th of 2000 higher than 1,021 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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