TMS Modulation of Insula-related Brain Networks
| Status: | Completed |
|---|---|
| Conditions: | Healthy Studies |
| Therapuetic Areas: | Other |
| Healthy: | No |
| Age Range: | 18 - 55 |
| Updated: | 6/21/2017 |
| Start Date: | March 2016 |
| End Date: | November 4, 2016 |
The purpose of this study is to investigate the modulatory effects of repetitive
transcranial magnetic stimulation (rTMS) on functional connectivity with the insula.
Functional connectivity (FC) measures the interaction between brain regions, and recent
neuroimaging studies have used FC to investigate how addiction affects FC among pertinent
brain regions. rTMS, which can excite cortical neurons, has shown promise as a method to
manipulate brain connectivity and could be used therapeutically to treat addiction. However,
investigators first need more information on brain FC and how it relates to behavior, in
order to guide rTMS target selection.
transcranial magnetic stimulation (rTMS) on functional connectivity with the insula.
Functional connectivity (FC) measures the interaction between brain regions, and recent
neuroimaging studies have used FC to investigate how addiction affects FC among pertinent
brain regions. rTMS, which can excite cortical neurons, has shown promise as a method to
manipulate brain connectivity and could be used therapeutically to treat addiction. However,
investigators first need more information on brain FC and how it relates to behavior, in
order to guide rTMS target selection.
Inclusion Criteria:
1. generally healthy
2. between the ages of 18-55
3. right-handed
Exclusion Criteria:
1. significant health problems (e.g., current and uncontrolled liver, lung, or heart
problems) or presence of medical illness likely to alter brain morphology (including
history of seizure, history of epilepsy in self or first degree relatives, stroke,
brain surgery, head injury, and known structural brain lesion)
2. current diagnosis of Axis I psychiatric disorders (e.g., depression, anxiety
disorder, schizophrenia)
3. meet DSM-5 criteria for current substance use disorder other than nicotine
4. use of psychoactive medications that would result in a positive urine drug screen
5. Current use of medications known to lower the seizure threshold
6. positive breath alcohol concentration
7. presence of conditions that would make MRI unsafe (e.g., metal implants, pacemakers)
8. among women, a positive urine pregnancy test
9. vision that cannot be corrected to 20/40
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