Modulating Neural Mechanisms of Reward Processing in Tobacco Users

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The goal of this clinical trial is to learn if a personalized, brain-scan-guided form of transcranial magnetic stimulation (TMS) works better than a standard TMS approach at changing reward-related brain activity in adults who smoke cigarettes. The main questions it aims to answer are: Does personalized TMS produce a greater change in reward-related brain activity than the standard approach? Does personalized TMS lead to a greater reduction in cravings and cigarette smoking than the standard approach? Researchers will compare personalized TMS, which targets a treatment location chosen from each participant's own brain scan, to a standard TMS approach, which targets a location based on anatomical landmarks, to see if the personalized approach produces stronger effects on brain reward activity and smoking behavior. Participants will: Complete an magnetic resonance imaging (MRI) brain scan and questionnaires about their smoking habits and mood Be randomly assigned to receive either personalized TMS or the standard TMS approach Attend 15 TMS treatment sessions over 3 weeks (Monday through Friday), including brain wave (EEG) recordings and craving check-ins before and after each session Return for follow-up visits 1 week and 1 month after finishing treatment