Cognitive Control & the Functional Organization of the Frontal Cortex

Inclusion Criteria: * Normal or corrected to normal vision. Exclusion Criteria: * Left handedness * Presence or history of neurological or psychiatric disorders * Usage of brain related medications * Previous head injury and time spent unconscious * Any implanted medial fragment or device in the body of the participant. * Tattoos above the neck * Injury to the eye or other body part involving a metallic object or fragment. * Welding, grinding, or cutting of metal in lifetime of participant without usage of safety protection glasses. * injury to the participant by a metallic object or foreign body (e.g., BB, bullet, shrapnel, etc.) * Pregnancy or possibility of pregnancy * Implants or devices including: Electronic implant or device, Magnetically-activated implant or device, Cardiac pacemaker, Implanted cardioverter defibrillator (ICD), Aneurysm clip(s), Neurostimulation system, Spinal cord stimulator, Internal electrodes or wires, Bone growth/bone fusion stimulator, Cochlear, otologic, or other ear implant, Insulin or infusion pump, Implanted drug infusion device, Any type of prosthesis (eye, penile, etc.), Heart valve prosthesis, Eyelid spring or wire, Artificial or prosthetic limb, Metallic stent, filter, or coil, Shunt (spinal or intraventricular), Vascular access port and/or catheter, Radiation seeds or implants, Swan-Ganz or triple lumen catheter, Medication patch (Nicotine,Nitroglycerine), Any metallic fragment or foreign body, Wire mesh implant, Tissue expander (e.g., breast), Surgical staples, clips, or metallic sutures Joint replacement (hip, knee, etc.) Bone/joint pin, screw, nail, wire, plate, etc. IUD or diaphragm, Dentures or partial plates, Tattoo or permanent makeup above the neck, Body piercing jewelry that can not be removed, Breathing disorder, Motion disorder or tremors, Claustrophobia, Hearing aid