The Science of Addiction

Cover image for lecture: The Science of Addiction

Lecture Overview

Addiction has long been recognised as a disease of the brain and understanding the neuroplasticity of drug addiction has clinical significance for treatment. In this lecture, Geoff Ahern will reveal what exactly is happening in the brain when a person becomes addicted to opioids.


Portrait of Geoffrey Ahern
Geoffrey Ahern

Geoffrey Ahern is a senior mental health clinician and educator who splits his time between working with people in a mental health crisis in the ED setting and working proactively to educate other health professionals and the community about how to better understand mental health problems, as well as substance use and addiction. Over the years, he has gained extensive experience in emergency and trauma, rural nursing, alcohol and other drug counselling, and psychiatric nursing across both the public and private sectors. He holds a masters of health science (mental health and addiction). Geoff is particularly fascinated by the impact that exercise, nutrition, community, meaning and purpose, and practices like yoga have on a person’s mental health, as well as living a simple life of reflection, contentment and wonderment. See Educator Profile