Your Brain on Porn

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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 22 studies are consistent with 130+ 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:

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.


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.

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!

Greater confidence, Much happier, Deeper voice, Better grades, More female attention

I want to share my experience with NoFap for about almost 3 months now. I used to be hugely addicted to masturbation, I used to fap at least once or twice a day. My whole life was like sh*t. My grades were totally screwed up, never had a gf. I had no motivation to study, to achieve anything, I was completely lifeless.

100 days of hardmode - The results!

This is my first post here, and I regret that. I regret it because this community has provided me with a immeasurable amount of support and been a crucial part of my reaching 100 days. The benefits of nofap began perhaps earlier than day 5 so I should have posted sooner.

Orgasmed for the first time in my life without having to masturbate

Last night I orgasmed for the first time in my life without having to masturbate. I hadn't M for 38 days, it felt amazing, I think my wife was also pleased that she was able to get me off. This was A goal of mine. For 20 or so years I've been fapping this never happened with any partners. I was worried that even after going an extended amount of time, I would be too damaged, it's at least for me a sign of progress.

It's really worth it! Lots of women suddenly starting to talk to me

I started the journey the same days as i found this community, i started reading alot of these great post about success and i felt like i have to do this. So i said fuck it, im trying, deleted all my porn on my phone and computer - and that was a huge fucking collection that i had collected over 7 years !

Age 32 - PIED: 90 Day Report: From Sex, to Love, to Self-Love

First off, I want to thank everyone who has helped me along the journey to 90 days. Without the support and encouragement from you guys on this board I would not have hit the big 9-0. Furthermore, I want to emphasize that it took me over a year of streaks and relapse to reach this goal. So for those of you who are struggling, you must hang in there.