Synchronization of Theta to Influence Memory

Inclusion Criteria: * 18 years and older * Fluent in English * Normal or corrected-to-normal vision * Willing to be photographed Exclusion Criteria: * Must not have ever had an injury to the head that's caused you to be knocked out for a period of time (e.g., from a fall, blow to the head, road traffic accident). * Must not have an uncorrected vision or physical disability that interferes with your ability to see stimuli presented briefly on a computer screen or click a mouse button rapidly. * Must not have a history of epilepsy, convulsions, or seizures (except childhood febrile seizures). * Must not have a history of fainting or syncope. * For female participants, they must not be pregnant and/or must not think they might be pregnant. * Must not have skin problems like eczema, dermatitis, or open wounds on the scalp. * Must not have had prior brain surgery. * Must not have any metal located in the head/neck (except for dental fillings). * Must not have any devices or other implants located in/near their head. This includes cochlear implants and aneurysm clips, cardiac pacemaker, or any other implanted electronic device. * Must not have a current (active) alcohol or substance use disorder, must have no recent history of withdrawal symptoms, and must be able to safely abstain from alcohol and non-prescribed/illicit drugs for at least 24 hours before the session. * Must not have any alcohol on the day of the session, must limit alcohol consumption to no more than 2 drinks (…