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Is porn bad for the brain? The Savvy Psychologist explains 3 studies that looked at how we process porn and other sexualized images, and reveals the potential effects on the brain—and on how we see our fellow men and women
Scientific American presents Savvy Psychologist by Quick & Dirty Tips . Scientific American and Quick & Dirty Tips are both Macmillan companies.
A recent neurology study found that the more porn a man watched, the less gray matter he had in his brain. The study made headlines the world over, prompting an anonymous listener to ask whether such sexual stimulation is indeed bad for the brain. So just what is the effect of sexual imagery on our brains--and does it affect how we see our fellow men and women? Here are the details on 3 studies that examined the brain on porn and other sexualized images.>
Study #1: Your Brain On Porn
In May 2014, a study in the prestigious journal JAMA Psychiatry was all over the news. It found that the more porn men reported watching, the less volume and activity they had in the regions of the brain—specifically the striatum—linked to reward processing and motivation. They also found that connectivity between the striatum and the prefrontal cortex (which is the part of the brain used for decision making, planning, and behavior regulation) weakened the more porn the men reported watching.
The researchers hypothesized that these differences might reflect change resulting from intense stimulation of the reward system. However, before you close your laptop and think of England, there are three important things to note:
First, these were all healthy men. The participants were screened for psychiatric disorders, neurological problems, medical illness, and substance abuse before their brains were scanned. So despite the brain differences, it didn’t seem to affect their health or daily functioning.
Second, brain changes aren’t limited to porn. Anything you do frequently , from smoking pot to playing a musical instrument to driving a delivery truck, can change your brain. The bigger concern is whether it affects your functioning or causes distress.
Third, this was only a snapshot—the participants weren’t followed over time—so we don’t know the answer to the chicken-or-egg question of whether porn shrinks your brain or whether your brain structures and connectivity predispose you to get more out of porn.
Ellen Hendriksen, PhD, is a clinical psychologist at Boston University's Center for Anxiety and Related Disorders and the host of the Savvy Psychologist podcast on Quick and Dirty Tips.
Giorgia Guglielmi and Nature magazine
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Published October 23, 2015 9:52pm EDT
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Sex on laptop computer. Pornography (iStock)
Say goodbye to the most famous bunnies in the world.
Playboy Magazine announced yesterday (Oct. 12) that it was revamping its design. Among its changes: No longer will naked ladies grace the pages of the magazine. (Of course, you only read it for the articles anyway, right?)
"Playboy's great success was that it legitimized sexualized images in the context of good fiction, interesting articles and groundbreaking interviews," Kim Wallen, a psychologist at Emory University in Atlanta, Georgia, wrote in an email to Live Science. "Still, it would not have been able to sell these often-excellent features without including nude women, which was the reason a majority of men bought Playboy."
But ultimately, even the nude pictures weren't enough to hold readers. The magazine, which first exploded into public consciousness when it published nude shots of Marilyn Monroe in 1953, has been losing readers for years, according the Alliance for Audited Media., largely thanks to the rise of Internet pornography . With the click of a button, a smorgasbord of sexual options, from the violent and disturbing to the frankly weird, are instantly available. [ Hot Stuff! 10 Unusual Sexual Fixations ]
Yet porn has effects beyond siphoning readers from the lad mag of a bygone era. It may also be changing people in myriad subtle ways. Scientists don't fully understand how pornography affects people, but a few studies have revealed surprising — and disturbing — trends. From shrinking the brain to sabotaging relationships, here are five ways pornography affects the brain.
Along with eating, drinking and sleeping, sex is one of the most fundamental human drives. That means it activates ancient parts of the brain such as the limbic system, which also controls basic emotions such as fear and anger, said Joseph J. Plaud, a private, clinical forensic psychologist in Boston, Massachusetts, who has studied the effects of pornography.
When people look at sexual imagery, dopamine floods these brain regions, causing an intense feeling of pleasure. Over time, people come to associate those direct images (called reinforcers) with the pleasurable feelings. Anything associated with those images, including Playboy's trademark bunny image, could also prime people to seek out that positive rush. [ 6 (Other) Great Things Sex Can Do for You ]
However, if that pleasure response gets triggered over and over — with frequent doses of Playboy or other sexually charged imagery — a person will need bigger hits to feel a response, Plaud said.
"The more you do and the greater degree of access, the more explicit [it is], you seem to need more and more," Plaud told Live Science.
Porn may also literally shrink the brain , a 2014 study in the journal JAMA Psychiatry found. Men who regularly consumed porn had smaller brain volume and fewer connections in the striatum, a brain region tied to reward processing, compared with those who didn't view porn.
However, it's possible this brain region shrinks simply because people become accustomed to viewing pornographic images, and thus find them less rewarding, one researcher previously told Live Science.
Additionally, the same brain regions are smaller in people who are depressed or suffer from alcoholism, and those people are less likely to be in relationships or have busy lives. So it may simply be that people who are depressed are more likely to view pornography, not that porn literally shrinks the brain, the researcher speculated.
Watching porn also seems to quiet a part of the brain that processes visual imagery , researchers reported in 2012 in the Journal of Sexual Medicine. It's not clear why this happens, but researchers speculated that the brain diverts blood flow from the visual cortex in order to focus on more pressing things, like being turned on.
The finding makes sense, in that people looking at pornography would be focusing on the sexually explicit image more than the fine details of the background of the image, the researchers speculated. A person who was scanning the horizon for potential threats would have trouble being aroused.
On the flip side, getting aroused requires feeling safe, and freedom from the need to look out for potential dangers, the researchers said.
Watching porn may also make people value immediate payoffs over delayed gratification, a study published in September in the Journal of Sex Research found.
Compared with people who abstained from eating their favorite food, people who were asked to abstain from porn for three weeks showed a lower rate of "delay discounting," meaning they were willing to wait longer for a reward. (Delay discounting refers to the phenomenon in which a reward becomes less valuable the longer one has to wait to receive it.)
So simply avoiding porn can put people into a more long-term mind-set, the researchers found.
Is pornography use an unhealthy addiction that ruins men for relationships, or a healthy sexual outlet that both men and women enjoy? How people answer may affect whether they are harmed by porn. A study in the September issue of the journal Psychology of Addictive Behavior found that it was the perception of being "addicted to porn," rather than the intensity of porn use per se, that was tied with psychological distress.
And contrary to the notion that pornography fuels misogyny , men who viewed porn tended to hold more egalitarian views about women than did non-porn-using men. Frequent porn users view powerful women, working women and women who have had abortions more favorably than do other men, a study published in August in the Journal of Sex Research found.
That may be the case, but women in relationships with porn spectators reported being less happy in those relationships than gals paired up with men who didn't view pornography, found research published in 2012 in the journal Sex Roles.
Even though scientists are beginning to tease out the effects of porn on the brain, there's still a lot they don't understand, in particular about the long-term effect porn has on young viewers, Plaud said.
"We're being flooded by an immense amount of very hard-core pornography, and it's a question [what effect it has]," Plaud said. "I think it may have very large implications in the future."
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With the ubiquity and easy access to porn these days, it shouldn’t come as a surprise that people are beginning to study the effects of it on our sex lives. According to a website called projectknow.com , 420 million web pages are dedicated to porn, meaning the non-porn Internet roughly consists of..well, Wikipedia. Scientists at Cambridge University recently studied the brain scans of porn addicts and found that they looked exactly like those of drug addicts. With such an inexhaustible supply of porn at our disposal, there is a growing concern that it is beginning to affect our brains, our relationships, and even our bodies (beyond, of course, your mother’s idle threats of blindness and hairy palms). A recent survey of a Reddit community called NoFap , which is committed to abstaining from porn and masturbation, has helped researchers open the door to a better understanding of the effects of pornography on our lives. While the results are not entirely conclusive, there are certainly some statistics that should give a moment’s pause. Here are some of the reasons why it may be a good idea to stick to Netflix next time you open up your laptop:
For those addicted to porn, arousal actually declined with the same mate. Those who regularly found different mates were able to continue their arousal. It’s known as the Coolidge Effect, or a tendency toward novelty-seeking behavior. Porn, after all, trains the viewer to expect constant newness.
One in five people who regularly watch porn admitted to feeling controlled by their own sexual desires.
12 percent of NoFappers report watching five or more hours of Internet porn every week. 59 percent report watching between four and fifteen (!!) hours of porn every week.
Almost 50 percent of those on NoFap have never had sex in their lives, meaning their only experience with intimacy is purely digital.
42 percent of male college students report visiting porn sites regularly.
53 percent of the NoFappers had developed a regular porn habit between the ages of 12 and 14. An alarming 16 percent said they started watching before they were 12.
64 percent report that their tastes in porn have become more extreme or deviant.
Among 27- to 31-year-olds on NoFap: 19 percent suffer from premature ejaculation, 25 percent are disinterested in sex with their partner, 31 percent have difficulty reaching orgasm, and 34 percent experience erectile dysfunction.
After committing to no masturbation/porn, 60 percent of those on NoFap felt that their sexual functions had improved.
And 67 percent had an increase in energy levels as well as productivity.
So there it is, men. While the evidence may not be scientifically thorough, there’s certainly enough to suggest that porn has a negative impact on our lives. It might be a good time to give that overworked hand some rest, or, at the very least, use it to dial the phone number of a real live human woman and ask her out on a date.
**More: Dating Tips from Eric Andre (AKA The Last Person Who Should Give Relationship Advice) **
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