May 2, 2025
Science

Smarter dogs have smaller brains, according to scientists: but how?

  • December 1, 2024
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The behavior, abilities and physical characteristics of each dog differ from each other. Of course, so are brain sizes It is diverse, just like people. Agree intelligence and

Smarter dogs have smaller brains, according to scientists: but how?

The behavior, abilities and physical characteristics of each dog differ from each other. Of course, so are brain sizes It is diverse, just like people.

Agree intelligence and brain size How does the balance between them work?

According to a study conducted by scientists, as dogs’ brains grow, their cognitive skills become more complex than expected.

dog

In this study, samples from the Natural History Museum of Bern in Switzerland, covering 172 breeds, were examined. Skulls of 1,682 dogs investigated. These skulls were measured and the ratios between the dogs’ brain size and body size were compared.

Additionally, breeds such as the Siberian Husky are differentiated based on their body size. had the smallest brain. The brains of friendly breeds such as the Chihuahua, which were raised as pets, were quite large.

However, small-brained breeds such as the Siberian Husky, Rottweiler, and Great Dane are generally referred to as working breeds.

dog

This means that they perform humanitarian aid roles, such as search and rescue, escort and police. Although they have a small brain size compared to other small dog breeds is much more successful in executive functions.

In other words: working breeds behavioral control and short-term memory It’s much better. These dogs have small brain sizes, but the reason behind these abilities is that they have different internal brain tissue.

On the other hand, domestic and toy breeds such as Chihuahua, Pomeranian and Yorkshire terrier, higher levels of anxiety and aggressiontend to exhibit separation anxiety and increased attention-seeking behavior. Moreover, despite their brain size being larger than that of the general population!

In summary, a dog’s larger brain size does not make him smarter, more agile, or more talented. Brain size and skills It has an opposite relationship.

Sources: Live Science, BBC

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