Neuroimaging of Opioid Phase (OPAL)

Inclusion Criteria for Healthy Controls:

1. female and ages 18+
2. ability to read/understand English and give consent to participate
3. no current or history of chronic pain
4. not regularly taking any pain-relieving or mood-altering medications (per PI discretion)
5. absence of use of opioid medications

Inclusion Criteria for Individuals with Chronic Pain:

1. female and ages 18 +
2. ability to read/understand English and give consent to participate
3. self-reported or physician diagnosis of fibromyalgia and/or chronic pain
4. current use of opioid medication(s) for inclusion in the opioid patient group -OR- absence of use of opioid medications for inclusion in the non-opioid patient group

Exclusion Criteria (for both groups):

1. limited ability to participate fully in behavioral tasks, longitudinal follow-up
2. MRI contraindication
3. any factors that at the discretion of the investigators would adversely affect the participant or the integrity of the study
4. male