rTMS in Older Adults With MCI and AUD

Inclusion Criteria: * Age 60-85. * English as a first/primary language. * Current alcohol use disorder * Alcohol consumption of at least 4 heavy drinking days (defined as ≥ 4 drinks for women and ≥ 5 for men) per week during the 30-days prior to enrolling; * Meets actuarial neuropsychological criteria for MCI: ≥2 impaired scores within one cognitive domain, or ≥1 impaired scores in ≥3 domains, where an impaired score is defined as ≤16th percentile using demographically-corrected norms. * Not pregnant (will administer pregnancy test to confirm) * Functional visual and auditory acuity to complete all assessments. Exclusion Criteria: * Prior diagnosis of Dementia or Major Neurocognitive Disorder per NIA-AA or DSM-5 criteria, and TICS ≤ 22 suggestive of dementia. * Current substance use disorder other than AUD or nicotine use disorder, bipolar disorder, or schizophrenia spectrum or other psychotic disorder. * Daily/weekly anticholinergic or sedative use. Stimulants may be allowed pending investigator review. Cholinesterase inhibitors, NMDA receptor antagonists, and antidepressants are allowed if on a stable regimen of 4 weeks prior to enrollment. * History of significant or unstable condition/s that may impact cognition such as significant cardiac, cerebrovascular, or metabolic disease, developmental disorder, or other neurologic disease (e.g. movement disorder, moderate to severe brain injury, seizures). * MRI and TMS contraindications (e.g. implants, claustrophobia, conditio…