Critique of “Perceived Addiction to Internet Pornography and Psychological Distress: Examining Relationships Concurrently and Over Time” (2015)

Here are a few of the headlines birthed from this new study  by Joshua B. Grubbs, Nicholas Stauner, Julie J. Exline, Kenneth I. Pargament, and Matthew J. Lindberg (Grubbs et al.): Watching Porn Is OK. Believing In Porn Addiction Is Not Perceived Addiction To Porn Is More Harmful Than Porn Use Itself Believing You Have […]

Current List of Brain Studies on Porn Users

Listed below are all the “brain” studies on porn users currently published (or in the press). These study results are consistent with 210+ Internet addiction brain studies, some of which also include internet porn use. In short, there’s ample (and growing) peer-reviewed scientific support for the addiction model. All support the premise that internet porn […]

Analysis of “Modulation of late positive potentials by sexual images in problem users and controls inconsistent with ‘porn addiction’ (2015)”, by SPAN Lab

Published July 2015, we will refer to it as Prause, et al., 2015. Contrary to claims Prause’s 2015 EEG study supports the porn addiction model, as it reports habituation (or desensitization) in the more frequent porn users. To date 5 peer-reviewed analyses by neuroscientists and medical doctors agree with the following critique – that Prause […]

Nothing Adds Up in Dubious Study: Youthful Subjects’ ED Left Unexplained, by Gabe Deem

Published: 3/12/2015 (link to original article) UPDATE: June 11, 2015: A peer-reviewed critique by Richard A. Isenberg MD UPDATE: List of studies linking porn use/porn addiction to sexual problems, low libido, less brain activation to vanilla porn, and less sexual satisfaction. UPDATE: August 5, 2016: Peer-reviewed paper by US Navy doctors – Is Internet Pornography […]

The Bogus Sex Addiction “Controversy” and the Purveyors of Ignorance, by Linda Hatch, PhD

I still sometimes read a newspaper.  Today’s LA Times had the absolutely best article I have seen in years.  It is called “Sowing Doubt About Science” by Michael Hiltzik. Agnotology, the study of the production of ignorance The Hiltzik article reports on the work of Robert Proctor, a history of science professor at Stanford specializing […]

‘High desire’, or ‘merely’ an addiction? A response to Steele et al. by Donald L. Hilton, Jr., MD*

Donald L. Hilton, Jr., MD* Department of Neurosurgery, The University of Texas Health Sciences Center at San Antonio, USA Published: 21 February 2014. Link to original paper Socioaffective Neuroscience & Psychology 2014. © 2014 Donald L. Hilton. This is an Open Access article distributed under the terms of the Creative Commons CC-BY 4.0 License (, allowing third parties to […]

Is there evidence supporting the existence of pornography addiction?

Yes, according to Donald L Hilton, MD, author of “Pornography addiction – a supranormal stimulus considered in the context of neuroplasticity” in Socioaffective Neuroscience & Psychology. But one needs the perspective and education to understand the supporting evidence—and why it will eventually overtake the competing viewpoint that compulsive porn use is due to “hypersexual disorder,” […]

"Don’t Call it Hypersexuality: Why we Need the Term Sex Addiction," By Linda Hatch, PhD

What does it mean to say that sex addiction “exists” or “doesn’t exist” apart from the fact that denying its existence or rebutting the denials can get you your 15 minutes of fame. A diagnostic term is always a provisional construct, a tool for organizing information about phenomena we are trying to understand and work […]

SPAN Lab Touts Empty Porn Study As Ground-Breaking: Critique of Steele et al., 2013

[This was first published as a reply blog post to a “Psychology Today” blog post that featured an interview with Dr. Nicole Prause, co-author of the study discussed here.] The full study: “Sexual Desire, not Hypersexuality, is Related to Neurophysiological Responses Elicited by Sexual Images, 2013“ This EEG study was touted in the media as evidence against the […]