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Joan Liebmann-Smith, Ph.D.

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The Cat-vs.-Dog IQ Debate Revisited

Posted: 06/13/2012 6:29 pm

Which are smarter: dogs or cats? This IQ debate has been raising the hackles of dog and cat lovers for decades, if not centuries. And dogs usually win paws-down. For one thing, dogs have larger brains than cats, and the larger the brain, the smarter the animal -- or so the theory goes.

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But brain size doesn't always predict intelligence. Men, for example, have somewhat larger brains than women but are not necessarily smarter. And in spite of having a tiny bird brain, Alex, the famous African Grey Parrot, could count up to 10 objects and had a spoken vocabulary of more than 100 words, which means he could outsmart dogs, cats, and even some humans. But among four-legged animals, having a larger brain apparently does seem to make a difference.

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Dogs' brains, in fact, have been continually growing while cats' brains have remained virtually unchanged since they were first domesticated approximately 8,000 years ago, according to a recent study at Oxford University. The reason: Dogs are more social than cats, and the more social the animal, the bigger the brain, and, therefore, the smarter the animal. And the brain gap is widening, because dogs spend a lot of their time navigating the intricacies of their and our social worlds, which takes a lot of grey matter.

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Cats, on the other hand, are loners who interact with others only when necessary... or when in the mood. As Fordham University English professor and author Mary Bly put it, "Dogs come when they're called; cats take a message and get back to you."

While dogs are busy trying to please their owners, learning new tricks, and getting smarter, cats are languishing behind on the couch.

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Maybe cat owners should smarten up and teach their cats some tricks. It can be done; many people have successfully trained their cats to sit, stand, wave their paws, and even play the piano. Some cats have even learned to use their owners' toilets rather than litter boxes. We trained our cat, Fazelnut, to roll over when we ask him if he wants his tummy rubbed. And he does... when he feels like it.

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Cat owners can also try to encourage their cats to be more social, cooperative, and even useful. This is not a new idea; according to an article in The New York Times in 1876, "Those who are intimately acquainted with the domestic cat must sometimes wonder why no effort has been made to develop his intellectual powers. There is no doubt that the cat possesses a strong and subtle intellect, and the capacity to use it for the benefit of mankind."

Dogs, after all, have been helping humans as fire dogs, seeing-eye dogs, rescue dogs, therapy dogs, and even drug, bedbug, and cancer detectors. But according to Dr. Stanley Coren, psychologist and author of several books on dogs, "we never hear about such things as a 'seeing eye cat,' 'police cat' or 'search and rescue cat.'"

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Clearly, Coren never heard of postal cats. In the late 19th century, the Belgian Society for the Elevation of the Domestic Cat proposed using cats rather than carrier pigeons to send messages back and fourth from Liège to neighboring villages. In this kitty express experiment, the messages were to be put in waterproof bags and fastened around the necks of 37 cats, according to the New York Times article. The first cat reached its destination in under five hours. All the rest found their way home within 24 hours. While carrier pigeons were much quicker, the postal cats were undoubtedly much cuter.

Dogs usually do outperform cats on most animal IQ tests and have larger vocabularies and bigger brains, but dog enthusiasts shouldn't be too complacent. Cats have almost twice as many neurons in their cerebral cortex. The cerebral cortex is considered the part of the brain responsible for learning and memory, among other things. Cats have 300 million neurons, while dogs have only 160 million, which means that cats have a greater capacity for information processing than dogs.

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According to some cat-intelligence experts, cats are, in fact, as smart as dogs; they just have a different type of intelligence. Unlike dogs, which are pack animals, cats can fend for themselves; they don't need to depend on others for hunting food or even grooming. And the experts claim that cats' curiosity, tempered by their cautious behavior, are also evidence of their high intelligence.

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These aloof creatures may be onto something after all. Researchers at the University of South Australia in Adelaide describe a new phenomenon that may make dog owners foam at the mouth; the dumbing down of dogs. The scientists claim that unlike cats, dogs have become overly domesticated and dependent on humans and, therefore, can't think or care for themselves. As a result, while excelling at social tasks, these pampered pets have lost other important problem-solving skills and would have difficulty surviving in the wild, the researchers claim.

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A survey of pet owners in the U.K. may make dog owners even hotter under the collar. Cat owners are apparently smarter than dog owners, researchers at the University of Bristol in England discovered. At least they're more likely to have college degrees or advanced degrees.

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But American dog owners have a legitimate bone to pick with these British researchers. According to the most recent American Veterinary Medical Association pet ownership survey, in the U.S. it's the dog owners who are more likely to be better-educated. And so the cat and dog fight continues.

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Which are smarter: dogs or cats? This IQ debate has been raising the hackles of dog and cat lovers for decades, if not centuries. And dogs usually win paws-down. For one thing, dogs have larger brai...
Which are smarter: dogs or cats? This IQ debate has been raising the hackles of dog and cat lovers for decades, if not centuries. And dogs usually win paws-down. For one thing, dogs have larger brai...
 
 
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HUFFPOST SUPER USER
Siebenstein
> there is no endless growth
02:39 AM on 08/12/2012
Other research articles , which this one isn't conclude that pigs are way more intelligent than cats or dogs or even 3-year old toddlers !
05:28 AM on 08/09/2012
I think that it comes down to type of intelligence. There are three types of memory, and not everyone has the same capacity for each. Also, people do not all learn the same way. Ever met a book smart person with no common sense? Dogs are more capable of being trained by humans and perform better than cats on IQ tests. Cats are more crafty and are better at hunting. Cats are excellent stalkers and will out-perform dogs in catching birds and quick prey. I think that the answer is more complicated than the "experts" have concluded.
05:20 AM on 08/09/2012
I think that they are different and have different types of intelligence. Think about a very intelligent person who has absolutely no common sense. There are three different types of memory, long-term, short-term, and muscle memory. Dogs are better at learning from their human counterparts and perform better at animal IQ tests. Cats learn differently and are more crafty than their counterparts. Cats are better hunters, capable of stalking birds and other quick prey. I think the answer is more complicated than the tests predict.
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HUFFPOST SUPER USER
Symphysodon
04:59 PM on 07/08/2012
Author S.M. Ariel
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HUFFPOST SUPER USER
Mercgal
He who knows not, knows not that he knows not.
07:35 AM on 07/02/2012
There is simply no contest here. Dogs are filthy, smelly animals that happily eat their own feces. Cats are clean and cunning hunters, who only eat fresh kills...not decomposing flesh or feces.. Dogs have thier place, but cats have a much higher level of intellect.
01:18 AM on 06/26/2012
My cats were raised by my dogs--so my cats demand a walk around the block. And when its walk time they do in fact come when called. But unlike my dogs they refused to walk on leash, and only one (female, found at about 2 1/2 weeks and nurtured by alpha female dog) actual comes close to healing on a walk. She even comes and sits quietly by my side if I stop to talk to neighbors. The males do kind of a secret agent cat thing to make the walk a little more interesting. They take time out to pose on a small corner mound, that makes them look like the lion king--Boy Cat will actually just stay there until you come back around the block and call him back into formation. Until I rescued my starving kittens I was 100% dog over cat--now Im on the fence--and the dogs cant get me when Im up here...cats are wicked that way.
04:16 PM on 06/26/2012
Very interesting. I'm tempted to try to tech my cat to walk on a leash. But I think it would just annoy him and who need a pissed of kitty?
HUFFPOST SUPER USER
onionboy
Blessed are the Cheese Makers
01:35 PM on 06/20/2012
Frankly, cats don't care to participate in such research.
02:08 PM on 06/21/2012
Can you blame them? Who wants their sleep disturbed?
HUFFPOST SUPER USER
onionboy
Blessed are the Cheese Makers
03:24 PM on 06/21/2012
They're running their own experiment.

How many times will WE clean up THEIR vomit.
05:25 AM on 06/20/2012
What about oriental cats? I have adored every moggy I've ever had the pleasure to have as a friend but my burmese takes the cake for smarts. I could list so many things that she's figured out all by herself. Also I could not characterize her (or any cat i know tbh) as standoffish. We call her our limpet. She's constantly stuck to our sides. She often rowls at us so that we pick her up for a hug. If we don't hug her for long enough she'll follow us around the house rowling, as if to say 'more!' The egyptian mau next door is quite similar. I often call him over from across the street to say hello and he comes running for a pat, or i'll be walking down the footpath home and i'll see him in the distance, make a little sound and he'll wait for me to say hello.

If cat's know you like them and see you as a kindred spirit than they reveal themselves to be very friendly, warm and happy creatures.
10:58 AM on 06/20/2012
Your cat sounds adorable, as well as smart. I'm sure that cats sense when people like them and then sidle up to them. On the other hand, my cat, Fazelnut, often decides to rub against our non-cat loving friends! I think he wants to win them over...and sometimes does.
HUFFPOST SUPER USER
wtf is this
It depends.
10:25 PM on 06/18/2012
Duh... its simple. Cats are capable of training their humans. They win.
08:50 AM on 06/19/2012
After my cat, Fazelnut, tried everything to get me up this morning -- including biting my hair -- I gave in. So I agree with you!
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crankyCrackPot
My imaginary friend says that you need a therapist
11:20 AM on 06/19/2012
including biting my hair
----------------------------------
I've learned to sleep through that; however, my wife has not developed the skill as of yet.
Of the dogs and cats in our home, the cats rule the roost.

That said... the cats have learned more effective ways of waking me and are not above striking me both below the belt and between the eyes.
Dude (orange cat in AV) will even take the my problem is our problem approach and will kick the dogs out of bed and get them all riled up.

Cats have done a better job at training the dogs than we have... it' kind of sad actually...
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Marcus01
It all just seems like it's real
11:01 AM on 06/20/2012
You're fortunate Hazelnut doesn't know the "I'll just lay down on her bladder - that will get her up" trick. Works every time.
08:56 AM on 06/19/2012
I agree that they are more persistent than dogs in getting what they want!
HUFFPOST SUPER USER
Robert Petrocelli
09:14 PM on 06/17/2012
Yes dogs can be trained and are very useful work animals and pets.
However cats have twice the number of neurons in the cerebral cortex the center for learning and memory in the brain.

From personal experience I have the following anecdotes:

1. My boxer has leaned to open the door from the back deck by pushing down on the handle
and then in on the door. He can't let himself back out and once inside soon forgets that he was just outside and whimpers to be let out again!

2.My Siamese cat was recently locked out of the litter-box. Rather than have an accident, we discovered that, he taught himself to use the toilet!
08:51 AM on 06/19/2012
Your dog sound adorable, but your cat sound amazing!! You're lucky to have them both!
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HUFFPOST SUPER USER
Fran Jaime
Yo Soy 132!
08:03 PM on 06/15/2012
There's an error in the text. Cats have never been domesticated, rather THEY domesticated humans.
05:45 PM on 06/16/2012
Right you are!!
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HUFFPOST SUPER USER
Fran Jaime
Yo Soy 132!
07:15 PM on 06/16/2012
:D
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HUFFPOST SUPER USER
ChaiKat
Just trying to keep what little I have.
05:52 PM on 06/15/2012
Really, cats are loners and anti-social? How many cats have you had in your life? I'm sitting here hoping this article is tongue and cheek and you really aren't that blind to the nature of cats. Just because a dog is trained to come to you and fetch, doesn't necessarily mean they are smarter, just they want to please you more. I have several cats inside and several I feed outside, and I can assure you they are quite social.

My cats wake me up at the same time daily. I suppose I can say my cats can tell time then. I have one that comes to me and taps me on the shoulder so that I can pet her. I have another one that stands next to the fridge after I've done groceries because he knows I bought cheese. When I go to bed, they come upstairs and take their places next to me.

I also have a dog, and quite frankly I don't think she's any smarter than my cats, nor are they smarter than the dog. They are all quite smart...smarter than some people I know.
09:11 PM on 06/15/2012
I agree with you that cats are extremely smart -- the studies I site are looking at specific markers or skills. But clearly that's not the whole picture. My cat, Fazelnut (the tuxedo in the photos) also wakes me at the same time each day and if I ignore him, takes a mouthful of my hair and pulls it! He knows I can't ignore that!! He outsmarts me all the time in so many ways!!
iflew
Pro Publiae Bonae
05:21 PM on 06/15/2012
Brain size? Yes and no. The "Hobbit" compared to full sized humans was not believed to be as intelligent, but actually had a brain mass about 2.6% of body weight as compared to about 2.4% assuming equal BMI's for an average full sized human. Einstein? Small brain probably well wrinkled. In the less intelligent the brain may be smooth. Brain size, bone mass, head muscle, and hair all add to the confusion of guessing about intellect. Best way for people anyway is a written test at least for the literate, but in someone else's language not as good an indicator. Cats are less likely to cooperate, but they and dogs have demonstrated self awareness, and solved puzzles. One difference: dogs will cooperate, but cats want things their way. Sort of reminds me of politicos.
01:51 PM on 06/16/2012
And cats probably get their way more often than dogs!
12:50 PM on 06/15/2012
My husband and I have this discussion at least once a week. He is a dog lover and I am a cat lover. I would print it out and let him read it, but I don't need to give him any ammunition!!

Very interesting article. And your tuxedo kitty is beautiful!
02:18 PM on 06/15/2012
Thanks, Sandy! We were dog people until our precious toy poodle, Tinkerbelle (in the photo with our daughter, Rebecca) died at age 17. The year before Rebecca rescued Fazelnut and we've been cat people (as well as dog people) ever since. In fact, I'm a sucker for all fury (and feathered) creatures.
11:09 AM on 06/15/2012
My cat is very social. She mews like crazy when someone leaves the apt and can recognize the sound of our car's engine and will run to the door before even I realize that my husband is home. She also calls out to find out which room we're in.
01:53 PM on 06/16/2012
How adorable! Sounds like our tuxedo cat, Fazelnut. He seems to hear the elevator way down the hall and waits by the door (sometimes tripping us when we come home in the dark!).