Casper Schmidt CSBD

Dr Casper Schmidt on Compulsive Sexual Behaviour Disorder

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The world’s largest survey on sexual health in 2019 established that around 20% of men between 15-89 years old watch more porn than they want to. Most of us, to some degree, repeat some behaviors that we know are harmful to ourselves – but why do some people let their lives be ruined by addiction?

In this talk from TEDxAarhus, 2019, Casper Schmidt, uses practical real life examples, to share how the brain changes over time. He explains how watching porn can become an addiction. The idea for his work within the field of addiction originated from his interest in neuroscience, as well as a TED talk a few years back. Casper’s fascination with the brain fuelled his studies on this topic, and has led to remarkable results. He was a researcher at the University of Cambridge too. Based on his neuroscientific research, Casper Schmidt established some of the earliest neurobiological markers of porn addiction. In June 2018 his work contributed to its inclusion in the World Health Organization’s list of diseases. Compulsive sexual behaviour disorder opened new doors for treatment for this group of porn-using individuals.

For a detailed explanation of the research, please see Schmidt, Casper, Laurel S. Morris, Timo L. Kvamme, Paula Hall, Thaddeus Birchard, and Valerie Voon. “Compulsive sexual behavior: Prefrontal and limbic volume and interactions.” Human Brain Mapping 38, no. 3 (2017): 1182-1190.

Casper Schmidt has a background as a PhD in clinical neuroscience and is a psychologist. He now works as an Assistant Professor in Clinical Psychology at Aalborg University, Denmark. Casper gave this talk at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

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