Resources

Past Presentation

Neurobiology of Addiction | May 27, 2026

Date of Presentation: May 27, 2026

Type: Past Presentation  

Audience: Clinical  

Program: Hepatitis C  

Keywords: #addiction  #neuroadaptation  #neurobiology  #SUD  

In this presentation, Dr Gregg reviews diagnostic criteria for substance use disorders and outlines the neurobiology of addiction, focusing on reward circuitry, neuroadaptation, and loss of control.

Presented by:

Dr. Jessica Gregg
Dr. Jessica Gregg
Lead Faculty

Jessica Gregg, MD, PhD, received her undergraduate degree at Stanford University, her medical degree at the University of New Mexico, and a PhD in Medical Anthropology at Emory University. She began her medical career in primary care at Oregon Health and Science University (OHSU), where she co-founded the OHSU Department of Medicine’s Social Medicine curriculum in partnership with City Central Concern, a non-profit caring for individuals struggling with lack of housing and substance use disorders. She subsequently became the medical director for Central City Concern’s Hooper Detoxification and Stabilization Center, and eventually assumed the role of Senior Medical Director for Substance Use Disorder Services for the agency. She subsequently developed the HRBR clinic at OHSU, a low-threshold buprenorphine clinic, and in 2021, she became Chief Medical Officer for Fora Health in Portland, Oregon.

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Date added: May 15, 2026