To participate in the two neuroimaging tasks (Emotion Regulation Task; Emotional Go/No Go Task), participants must be healthy (no major medical illness), right-handed, fluent in English, have no history of neurological impairment (including but not limited to history of loss of consciousness for great than 20 minutes, seizures, stroke, etc.), have normal or corrected to normal vision, and have no contra-indications or risk factors for MRI research (such as braces or metal implants).