Talk by Neurosurgeon on Porn's Impact on the Brain
Talk is directed to parents and children. It focuses on research that shows changes in the brain's frontal cortex in sex addicts and the implications of those changes for impulse control in porn addicts.
Here's a link to Can Pornography Use Become An Actual Brain Addiction?, an article for lay people by neurosurgeon Donald Hilton
Here's a link to Donald L. Hilton's excellent editorial in the Surgical Neurology International journal: Pornography Addiction: A Neuroscience Perspective .