Your Brain on Porn

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Start here for a brief overview of concepts & science

This article is a short synopsis of some key concepts. For the science behind it, please follow all the links and read this page. Some links go to our articles, which in turn link to studies. For a more in-depth understanding and further evidence see The Research Page. For specific content explore Porn FAQs.

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What happens when you drop a male rat into a cage with a receptive female rat? First, you see a frenzy of copulation. Then, progressively, the male tires of that particular female. Even if she wants more, he has had enough. However, replace the original female with a fresh one, and the male immediately revives and gallantly struggles to fertilize her. You can repeat this process with fresh females until he is completely wiped out.

This is called the Coolidge effect—the automatic response to novel mates. Interestingly, men ejaculate more motile sperm and they do it more quickly when they view a novel porn star. This powerful automatic response to erotic novelty is what started you down the road to getting hooked on internet porn.

Brain Studies on Porn Users

This page lists all the studies assessing the brain structure and functioning of Internet porn users. To date every study offers support for the porn addiction model. The results of these 24 studies (and upcoming studies) are consistent with 150+ Internet addiction brain studies, many of which also include internet porn use. All support the premise that internet porn use can cause addiction-related brain changes, as do recent neuroscience-based reviews of the literature:

Gary's TEDx talk - "The Great Porn Experiment"

Captions also available for 한국의, Chinese, Português, Czech, Deutsch, Estonian, עברית, Hungarian, Italian, Polski, Serbian, Slovak. Vietamese. To see them, click on the 'YouTube' logo to watch on YOUTube. Then, when you get there, click on "CC" for captions (bottom right of screen). Ver YBOP series in Español. Make captions in your own language!

Erectile dysfunction, delayed ejaculation and performance anxiety cured in 1 month

I was with a girl for 2 years. I was never able to ejaculate when having sex with her! Not even once. A few times only with my hand (after she finished) and still, this would take a while. We broke up one year ago (not for this reason).

Porn-induced ED (part 2) presented at the American Urologic Association Conference, May 6-10, 2016. Urologist Tarek Pacha (Video)

Porn Induced Erectile Dysfunction Part #2: Stages and Science. Delivered by Dr. Tarek Pacha at the American Urologic Association in San Diego 2016.

Link to conference bio of Tarek Pacha

Age 21 - PIED cured: What most people don't tell you in NoFap about PIED but what people need to hear! (my story)

I had a long experience with Porn Induced Erectile Dysfunction which dragged me back and really scared me for a while, and I kept going on forums to try and find support and people i could relate to, but I found that people never quite told the story in its complete version, so that's what I'm here to do with mine. It takes a lot of strength to go into the details of the story and I hope that this will give the reader strength too.

Porn-induced ED presented at the American Urologic Association Conference, May 6-10, 2016. Urologist Tarek Pacha (Video)

Published on May 18, 2016

Pornography induced erectile dysfunction (PIED): Understanding the scope, science, and treatment. Delivered by Dr. Tarek Pacha at the American Urologic Association in San Diego 2016.

Link to conference bio of Tarek Pacha

 

1.5 years - Kept using porn, but not orgasming. Cut porn out and finally experiencing several benefits.

Since I have [quit porn] I have started to notice little things, my social awkwardness is starting to leave, I can focus more without having a problem, and you wouldn't believe how sex with the wife has been. I have been super hard and last for a while. I don't orgasm too fast and it hasn't been going down a little ways through. I can switch position and I stays as hard as a flag pole.