Dogs are known to be pets that bring tremendous benefits to those who share their space and time with them. In addition, various studies over time have shown that they have remarkable intelligence compared to other pets. Given the great permanent appeal that these animals represent, social networks have been flooded with profiles dedicated to all relevant aspects to better understand these animals. furry creatures that surround millions of people of all ages around the world.
One such content creator promoting this understanding is Marcos, “doctor, critical care physician and future veterinary ethologist,” as stated on his TikTok profile. In addition, he points out that he is an “animal communicator,” a quality that allows him to understand aspects such as work schedules. Puppy foodthe traumas they may have or why they express certain feelings by moving their head or tail.
However, one of his most recent videos on the social network begins more strikingly: “Your dog can tell whether a bill is counterfeit or not, and he knows just by looking at it.” After this statement, Marcos begins to explain that dogs’ vision is shifted towards the dog ultraviolet lightwhich allows them to distinguish genuine invoices from fake ones just by looking at them. According to the dog doctor, under ultraviolet light, real banknotes reflect certain patterns, details that are invisible to the human eye without the help of special devices. “As everyone knows, real banknotes reflect certain patterns of ultraviolet light,” he affirms in the publication.
The doctor also discussed the usual verification process in stores and the differences Dog’s perception. In the video, he comments that “the supermarket cashiers put them through this little machine that’s just made of ultraviolet light to be able to see these reflections,” a mechanism that allows those who don’t have the vision that dogs apparently have to recognize the authenticity of the bills.
Marcos also asserted that although a human can see two seemingly identical bills, a dog can distinguish which bill is counterfeit thanks to its special eyesight. “That’s why your dog is able to see two bills and even if you see them right away, he could tell you which of the two is fake,” the specialist said in his video. Dogs’ ultraviolet vision allows them to perceive details inaccessible to humans without instruments, giving them a clear advantage over them human performance when identifying real or counterfeit banknotes.
Researchers at the University of Portsmouth have identified three cognitive traits – curiosity, concentration on specific objects and inhibition of impulses – that characterize so-called “genius dogs” capable of learning and remembering the names of numerous objects. The study, published in Scientific reportswas based on tests conducted on 11 dogs extraordinary abilities and a control group assessing memory, problem solving, communication and self-control. The results suggest that these key traits are rare within the species and may be associated with patterns of attention and low social motivation, similar to some subtypes of autistic traits in humans.
The number of dogs with this ability is extremely small, as demonstrated by the difficulty in recruiting study participants. The research opens the possibility of developing standardized tests to determine the cognitive potential of dogs and to facilitate the selection of samples for this Service taskslike assistance or police work. The authors emphasize that it is unclear whether these traits are innate or can be developed through training, and anticipate that future research will be instrumental in improving training and selection methods for service dogs.
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