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Tag: smarter

It’s (almost) official: Dogs are about twice as smart as cats


A scientific study has shown that cats have an average of 250 million neurons in their brains while dogs have about 500 million, making dogs about twice as intelligent.

Before you cat lovers start objecting, keep in mind that the study was performed by humans, who average about 16 billion neurons per brain.

Scientist’s brains, we can only assume, have even more than that.

The study is the work of a team of researchers from six different universities in the U.S., Brazil, Denmark, and South Africa. It is expected to be published soon in the journal Frontiers in Neuroanatomy.

The research wasn’t aimed at resolving the great national debate over which species is smarter, but was part of a larger effort to use neurons as one quantifiable measure of intelligence.

Previous research sought to quantify intelligence by measuring brain size and structural complexity. Counting neurons is generally accepted to be a more accurate measurement than those.

To accomplish that, study author Suzana Herculano-Houzel explained to National Geographic, “You take the brain and turn it into a soup.”

That leaves a number of nuclei suspended from neuron cells, allowing the researchers to estimate the number of neurons present. Neurons are a special type of nerve cell found in the brain that transmit messages.

The research team used only a part of the brain called the cerebral cortex, which drives decision-making and problem-solving.

“Neurons are the basic information processing units. The more units you find in the brain, the more cognitively capable the animal is,” said Herculano-Houzel, a neurologist and professor at Vanderbilt University who has been studying cognitive function in humans and animals for the past decade.

The team used three brains — one from a cat, one from a golden retriever and one from a small mixed-breed dog.

In the dogs’ brains, despite varying in size, researchers found about 500 million neurons, more than double the 250 million found in the cat’s brain.

By comparison, orangutans and gorillas have about eight to nine billion neurons, while chimpanzees have about six to seven billion, elephants have about 5.6 billion.

Herculano-Houzel says counting neurons is a more effective measurement of intelligence than the size of an animal, or the size of its brains.

“It’s not a larger body that explains the number of neurons you have,” she said. “You can have animals with similar-sized brains, and they have completely different numbers of neurons.”

Sony working on reincarnating Aibo, this time as a smart home assistant

aiboAibo is coming back, and he hopes to take a bite out of Alexa.

Sony is reportedly re-forming the team behind its discontinued robot dog Aibo, and plans are for him to come back in a form that will compete with Alexa, the artificially intelligent household assistant produced by Amazon.

Aibo made a splash when he was introduced back in 1999, but after a few years consumer interested waned.

In large part that was because, aside from the novelty, he was less than cuddly and really couldn’t do much other than sit and bark.

Nikkei Asian Review reports that Sony is preparing to compete with Amazon, Google and Apple by producing a smart, speaking, more helpful version of the robot dog.

After a 12-year hiatus from robotics, the company announced last year it was turning its attention back to robots. Aibo’s return would be the first of several products brought to the market.

He will engage in all the dog-like behavior the old one did, but this time will be equipped with artificial intelligence, Internet connectivity, and he will speak the human language.

He’ll be able to control home appliances, play music and query the Internet at the command of his owner’s voice. Equipping him with AI will allow consumers to use him the same way they use any other digital assistant, all while being a little more personable, a little more like family, than just a futuristic looking speaker.

Whether the smarter, reincarnated version will be named Aibo isn’t certain yet, but the company says it is a possibility.

Who let the dog out? It was the cat



Time.com
says this video shows some interspecies teamwork.

I’m not seeing it.

I’m seeing a dog (Gizmo) waiting patiently for a cat (Dexter) to open the kitchen door.

If that’s teamwork, then I, from the comfort of my couch, am a professional football player. (I’ll take my salary now please.) Then again, I guess spectators do their part, simply by spectating.

This video was the result of a camera set up by a couple trying to figure out how their pets were escaping from the kitchen.

Turned out the cat was both the apparent mastermind and the door-opener, which is no big surprise given Dexter, being a cat, is more conniving than Gizmo — not too mention far more dexterous.

Does that mean Dexter is smarter than Gizmo?

Not necessarily. We think Gizmo is the wiser one, taking an approach that says, “You take the risks, you make the play; I’ll sit back and watch. If you’re successful, I’ll say say ‘yay!’ and reap whatever bounties lay beyond the kitchen door.”