7T Amygdala and Citalopram Study

This study uses ultra-high-field 7-Tesla MRI brain imaging to study the amygdala (the brain's emotion-processing center) and tests how the antidepressant citalopram affects it in healthy volunteers. The goal is to understand the biological basis of emotional responses and how antidepressants work in the brain. **You may be eligible if...** - You are a healthy adult willing to give informed consent - You are sufficiently fluent in English to complete tasks in the study **You may NOT be eligible if...** - You have metal implants, a pacemaker, or other MRI safety contraindications - You have a significant mental health history (such as major depression, borderline personality disorder, or bipolar disorder) - You have ADHD or autism spectrum disorder that significantly affects your daily functioning - You have any other condition that makes MRI unsafe Talk to your doctor to see if this trial is right for you.