The Effects of Noninvasive Neuromodulation on Mental Wellness, Behavior, and Electrophysiology

Inclusion Criteria:

• 18-65 years of age, as verified via photo identification with date of birth.
• Should be an English speaker, as indicated by being able to read and comprehend theconsent form.
• Experiment 2 : Participants will be included for a past diagnosis of anxiety withinthe past year.

Exclusion Criteria:

• Smokes or uses tobacco products or any form of nicotine excessively
• History of head injury with loss of consciousness for more than 5 min
• Uncorrected hearing or vision impairment, including color blindness
• Currently have or history of brain or mental illness judged likely to interfere withtesting, including drug and/or alcohol dependence
• History of epilepsy
• Brain tumors
• Takes medications or drugs judged likely to change brain activity, includingpsychoactive drugs, stimulants, benzodiazepines, and/or others
• Factors that may lead to poor EEG or fNIRS recordings (e.g., hairstyle)
• Inadequate sleep
• Drug, alcohol or prescription drug intoxication, dependence or addiction
• Pregnancy, or becoming pregnant during the course of the study
• Mild cognitive impairment or impaired decision making
• History of migraines
• Experience with neurostimulation (which might unbind or alter the results)
• Metal implants in their head or face