[C-11]NOP-1A and Alcohol Use Disorder

\[A\] Alcohol use disorders (AUD) Inclusion Criteria: 1. Males or Females 2. Fulfill DSM5 diagnosis for alcohol use disorder 3. Medically Healthy Exclusion Criteria: 1. Pregnancy or lactation 2. Comorbid severe/major medical, psychiatric (such as bipolar and psychotic disorders, etc.,) and current comorbid drug use disorders (other than tobacco use and recreational marijuana use) 3. Metal implants or paramagnetic objects contained within the body which may interfere with MRI scans 4. Currently employed as a radiation worker, or participation in radiation drug research procedures within the previous year 5. Currently on any psychotropic medications that can influence nociceptin transmission in the brain \[B\]Healthy controls Inclusion Criteria: 1. Males or females 2. Absence of present or past psychiatric conditions (including alcohol or drug use disorders) 3. Medically Healthy Exclusion Criteria: 1. Pregnancy of lactation 2. Medical, psychiatric or comorbid drug/alcohol use disorders 3. Metal implants or paramagnetic objects contained within the body which may interfere with the MRI scan 4. Currently employed as a radiation worker; or participation in radioactive drug research protocols within the previous year 5. Currently on any psychotropic medications that can influence nociceptin transmission in the brain 6. Family history of psychotic disorder, manic episode, drug and alcohol use disorder in first-degree relatives