Recent research published in psychology and sexuality suggests that a person’s biological sex and natural sexual desire play an important role in how often they use pornography and experience sudden sexual thoughts. The findings provide evidence that spontaneous mind wandering acts as a bridge between high sexual desire and the sudden onset of sexual thoughts. These insights help explain the sequence of psychological events that shape everyday human sexual cognition.
Humans experience a constant stream of thoughts throughout the day. Some of these thoughts are generated intentionally, such as actively trying to remember a grocery list or planning a weekend trip. Sometimes unexpected thoughts arrive completely without warning. These unexpected mental events are known as involuntary thoughts.
Involuntary thoughts are spontaneous mental contents that occur without any deliberate effort to recall them. This is a normal part of cognitive function. Research shows that most people experience unexpected memories or sudden ideas at least several times a week.
The research team consisted of psychologists Regina Ziławanska, Marta Wojniak, Romualdo Polczyk and Krystian Barzykowski from the Department of Psychology at Jagiellonian University, and Magdalena Kenkush from the Department of Psychology at SWPS University. The researchers jointly talked about their research and detailed how they came up with this topic.
“We all experience thoughts that suddenly pop into our heads even when we don’t intend to think about them,” the researchers explained. “We were interested in a specific type of these thoughts, involuntary sexual thoughts, and a simple but little-understood question: Why do some people experience sexual thoughts more often than others? Porn use has been widely studied, but surprisingly few studies have investigated how it relates to these everyday mental experiences.”
The dual-process model of sexual thinking proposes that our brains process sexual thoughts in two different ways. One method is controlled and effortful, such as intentionally creating sexual fantasies. The other is associative and automatic, causing unprompted and unconscious sexual thoughts.
Because pornographic material is a highly appealing type of visual stimulus, scientists wanted to understand whether frequent interaction with pornographic material automatically makes people more likely to have sexual thoughts. Watching porn can make sexual memories and thoughts more accessible in your brain. Over time, this increased accessibility can create a loop in which sexual thoughts trigger a desire to view porn, and viewing porn triggers even more sexual thoughts.
To explore this dynamic, the authors focused on two key factors that influence sexual behavior. The first element is sexual desire, which is basically a person’s basic motivation or desire for sexual activity. The second factor is sociosexual orientation, which refers to how willing a person is to engage in casual sexual relationships without strict emotional commitment.
Researchers collected data from 426 adult participants through an online survey. The group consisted of 347 women and 79 men, with an average age of approximately 25 years. Participants were recruited through the university’s course credit system or social media announcements.
To measure relevant behaviors and thoughts, the scientists asked participants to complete a series of specialized questionnaires. One survey asked participants how often they had used various types of pornographic material in the past year. In this section, participants were asked to rank their overall attitude toward pornographic materials on a 7-point scale.
Another set of questions measured participants’ general tendency to be distracted from their current task. To capture the different ways the brain loses focus, the mind wandering assessment was divided into two specific categories. The first category measured intentional mind wandering, which occurs when a person deliberately lets their thoughts drift to cope with boredom or stress.
The second category measured spontaneous mind wandering. This happens when a person loses focus and their thoughts drift without them even realizing it, and they feel like they can’t control their mind as it wanders.
Participants also answered standard questions to assess their natural sexual desire and sociosexual orientation. These questions asked respondents to rate statements about whether they are sexually aroused easily and whether they are comfortable having casual sex with multiple partners.
The researchers then used a modified scale to measure how often participants experienced involuntary sexual thoughts over the past month. The survey asked how much time each day they spent experiencing these unwanted thoughts and trying to suppress them.
Finally, scientists included a scale to measure social desirability. This tool helps you control the tendency to make yourself look good or give others socially acceptable answers, which is common when answering questions about sensitive topics such as sex.
The researchers used an advanced statistical technique called path modeling to map the relationships between all these different factors. They found that biological sex plays a measurable role in predicting sexual behavior and thoughts. The men in the study reported higher sexual desire, a higher propensity for casual sex, more frequent pornography use, and more unconscious sexual thoughts than women.
Statistical models provided evidence of specific psychological event chains. Higher sexual desire tended to predict a greater tendency to spontaneously wander. This voluntary mind-wandering behavior, in turn, clearly predicted how often a person experienced involuntary sexual thoughts.
No significant relationship was shown between intentional thought wandering and involuntary sexual thoughts. This suggests that the common tendency to automatically lose focus is a certain type of fantasy that opens the door to uninvited sexual ideas. General trait-level habits of spontaneous thought generation seem to extend naturally to thoughts about sexual content.
Interestingly, when the researchers analyzed the big picture, the direct relationship they had expected to see between pornography and casual thinking disappeared.
“One of the most surprising findings was that porn use itself was not directly linked to unconscious sexual thoughts, once other factors were taken into account,” the authors noted. “Instead, people with high sexual desire and a greater tendency for thoughts to wander spontaneously reported these thoughts more frequently. This suggests that involuntary sexual thoughts reflect broader cognitive and motivational processes rather than a single behavior.”
This data also outlined how sexual desire is directly related to porn use. Higher sexual desire predicts higher sociosexual tendencies, which means a stronger interest in casual sex. Active interest in casual sex positively predicted how often a person used pornography.
“Our findings suggest that unconscious sexual thoughts are a normal part of everyday mental life and are influenced by several interrelated factors rather than a single cause,” the researchers continued. “We found that people with higher sexual desire and a greater tendency for their thoughts to wander spontaneously reported these thoughts more frequently. Porn use also forms part of this broader pattern of relationships, suggesting that these experiences are shaped by a combination of cognitive and sexual factors, rather than just a single behavior.”
The authors noted that a person’s relationship status and personal attitude change these mathematical patterns. The association between high sexual desire and frequent porn use was stronger for people with more positive attitudes toward porn. Even if a person has negative thoughts about pornography, a high sex drive does not automatically lead to more frequent pornography use.
The association between sexual desire and pornography use was significantly weaker among participants who were currently in a stable relationship. Scientists suggest that this is likely because individuals in a relationship have more consistent access to sexual activity with their partners. This access eliminates the need to search for pornographic material and allows you to relieve sexual tension.
Although this study provides useful insights into sexual cognition, there are some limitations that should be kept in mind. The statistical model the researchers originally planned did not fit the data they collected well, primarily because the variables overlapped. To understand the data, scientists had to remove certain elements and perform separate analyses.
These adjustments made the final results exploratory rather than direct confirmation of our initial predictions. The sample was also heavily skewed toward women, with men making up only a small portion of the participants. This imbalance can affect how accurately the findings represent the general population.
The data relies entirely on self-reported questionnaires. This means that despite researchers’ efforts to control for social desirability, participants may have accidentally or intentionally underreported sensitive behaviors such as pornography use.
“The important thing to keep in mind is that this study cannot tell whether one factor causes another, only how they are related,” the scientists explained. “Also, because participants reported on their own experiences, future studies using different methods and more diverse populations will help build a more complete picture.”
Future research should test these modified models in larger, more balanced groups of people to see if the pattern holds. Scientists can also track participants over longer periods of time, rather than relying on a single snapshot study. This approach can help determine whether frequent porn use actually causes an increase in involuntary sexual thoughts over a person’s lifetime.
The study, “Examining the prevalence of thoughts of involuntary sexual orientation and its relationship with pornography use,” was authored by Regina Ziubanska, Magdalena Kenkush, Marta Wojniak, Romualdo Polczyk, and Christian Barzykowski.

