Repetitive Transcranial Magnetic Stimulation Treatment of Stimulant Use Disorder

Inclusion Criteria:

* Must be a U.S. Veteran
* Structured Clinical Interview for DSM Disorders (SCID) confirmed diagnosis of SUD, severe
* Last use of stimulants \>2 and \<8 weeks
* Stable medication regimen (no change in dose or agents between 2 weeks prior to the start of and throughout the treatment phase of the study)
* Stable medical health

Exclusion Criteria:

* Pregnant or lactating female
* History of prior adverse reaction to Transcranial magnetic stimulation (TMS)
* On medications thought to significantly lower seizure threshold, e.g. clozapine, chlorpromazine, clomipramine, and bupropion \> 400mg/day
* Seizure disorder or conditions known to substantially increase risk for seizures
* Implants or medical devices incompatible with TMS
* Acute or unstable chronic medical illness that would affect participation or compliance in the study, e.g. unstable angina
* Unstable psychiatric symptoms that precludes consistent participation in the study, e.g. active current suicidal intent or plan; severe psychosis
* Other substance use disorder not in remission
* Chronic or recurring Axis I psychotic disorders
* For subjects participating in functional magnetic resonance imaging (fMRI) scans, presence of ferromagnetic material in their body or taking DAergic medications