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There’s something that happens to me every time I walk down the street and pass a cat. It doesn’t matter if you’re perched on a wall, looking out of a window, or just sitting on the sidewalk watching the world go by. Arrest. Greetings. I extend my hand slowly, wait to see if it comes closer, and if it does, I pet it. It is not a conscious decision: it is automatic. It also happens to me with dogs or any other animal that crosses my path. For a long time I thought it was just a personal quirk. But it turns out not. Psychology and neuroscience have been studying exactly that gesture for years—that almost uncontrollable impulse to seek contact with a cat—and what they have found says much more about who we are than what appears at first glance. The first thing to understand is that in this bond, the cat has the last word. It’s not like petting a dog, which usually comes alone and enthusiastically. Cats are selective, unpredictable and much less invasive in their displays of affection. Therefore, what science says about this exchange has a particular complexity. a study, collected by Science Alert measured the hormone levels of owners and cats during 15-minute sessions of physical contact at home. The results were eloquent: when contact was relaxed—stroking, gentle hugs, rocking—oxytocin levels rose in both people and animals. But there was an indispensable condition: the interaction could not be forced. Cats had to be able to walk away if they wanted to.. “The hormone flows when the cat feels safe and comfortable,” the study authors wrote. What would happen when that condition was not met was just as revealing. According to Vice owners who tried to hug cats that didn’t want to be hugged saw their oxytocin levels drop, not rise. And the same would happen in the animal. The forced hug does not activate love: it turns it off. There is something deeply human in that. Oxytocin, cortisol and a 150 hertz purr Oxytocin is the hormone that scientists call “love” or “bonding.” It is the same one that is triggered when we hug someone we love, when a mother sees her newborn child, when there is real trust between two people. That it also appears in contact with a cat—and that it appears in the cat as well—is not a minor fact. The connection with animals and the increase in oxytocin is not new in scientific research. A review published in Frontiers in Psychology in 2012 already documented that interaction with animals produced measurable increases in oxytocin and reductions in cortisol, the hormone associated with stress. But studies on cats in particular came later and with important nuances. Researchers in Japan published in MDPI Animals an experiment with 32 cat owners: those who freely interacted with their animals showed significant hormonal changes compared to non-contact rest periods. A 2002 study already documented that the increase in oxytocin generated by gentle contact with cats helped reduce cortisol and, consequently, blood pressure and even the perception of pain. It is one of the works collected by Laura Elin Pigott, professor of Neuroscience at London South Bank University, in his analysis published in The Conversation. But there is a third player in this equation that is often overlooked: the purr. According to a synthesis of research collected by PetShun the frequency of a cat’s purr—which ranges wildly between 25 and 150 hertz—falls within what specialists call the “biomechanical stimulation range.” It is literally the same range of frequencies used in clinical vibration therapy to promote tissue repair and bone density. Some studies suggest that Listening to that sound can reduce cortisol levels by 10% to 20% in just 15 minutes of exposure. It’s not magic or intuition new age. It is physics and biochemistry. With a dog the bond is automatic. With a cat, you have to earn it But not all animals produce this effect in the same way. And understanding that difference is key to understanding what it says about you that you are looking for cats. In a 2016 experiment, scientists measured oxytocin in pets and their owners before and after ten minutes of play. The dogs saw an average 57% increase in their oxytocin levels. Cats, just 12%. The difference, according to researchers collected by Science Alertdoes not reflect feline coldness but rather evolutionary history: dogs were domesticated for millions of years for constant visual contact and dependence on humans. Cats, no. That’s why they reserve that hormonal surge—and that confidence—for the moments when they feel truly safe. In other words: with a dog, the emotional bond is almost automatic. With a cat, you have to earn it. And that completely changes what it says about the person looking for it. What stopping on the street to greet a cat says about you A study from Nottingham Trent University, published in PLOS ONE by Lauren Finka and her team with a sample of more than 3,300 cat owners, found something that at first seems striking: certain personality traits observed in the owners also appeared in their cats. The researchers’ hypothesis is that cats could be reflecting, in part, the personalities of those who care for them. It is not a minor fact: it suggests that the relationship is not one-way and that the human-feline bond is so real that it leaves a mark on both. On the other hand, research on people who prefer the company of cats consistently points to certain shared traits. a study published in Humanities and Social Sciences Communications analyzed 319 young adult cat owners and found that pet attachment was positively correlated with empathy, emotional regulation, and perceived social support. In other words, Those who build a solid bond with their cat tend to also have greater empathic capacity in their human relationships. This finding connect with what Faunalyticsan organization that synthesizes research on the human-animal bond, has documented: people who live with companion animals are … Read more