Inclusion Criteria:

• * Age (18-88 years)
• * English speaker (written and spoken)
• * Temporal Mandibular Disorder (TMD) for at least 3 months

Exclusion Criteria:

• * Present or past degenerative neuromuscular disease
• * Cardiovascular, neurological diseases, pulmonary abnormalities, kidney disease, liver disease, history of cancer within past 3 years
• * Cervical pain other than TMD related (e.g. stenosis, radiculopathy)
• * Any personal (or family first degree) history of mania, schizophrenia, or other psychoses
• * Severe psychiatric condition (e.g., schizophrenia, bipolar disorders, autism) leading to hospitalization within the last 3 years.
• * Use of antidepressants, ADHD medication, non-over-the-counter painkillers, methadone, benzodiazepines, barbiturates, and/or narcotics during the past 3 months
• * Lifetime alcohol/drug dependence or alcohol/drug abuse in the past 3 months
• * Pregnancy or breastfeeding
• * Color-blindness
• * Pain in jaw or temple in last 3 months due to toothache or infection
• * Any facial trauma that has occurred in the last 6 weeks
• * History of severe facial trauma in the last 3 months
• * Impaired or uncorrected hearing
• * Conditions that would interfere with the VR mask placement (e.g. trauma, burn, infection)
• * Known history of severe motion sickness
• * High blood pressure or symptomatic low blood pressure
• * History of fainting
• * History of angioedema
• * Failed drug test (testing for opiates, cocaine, methamphetamines, amphetamines, and THC)