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Dog IQ Test Developed By Scots Experts
A dog IQ test has been developed by scientists who say it could pave the way for breakthroughs in our understanding of the link between intelligence and health.
Experts have discovered that dog intelligence works the same way as human intelligence, so clever canines who perform well in one task tend also to do well in others - just like their human masters.
Recent studies have shown that brighter people tend to live longer, and so scientists believe if they can prove the same is true in dogs they can use them to study long-term health problems such as dementia.
Dr Rosalind Arden, a research associate at the London School of Economics, which carried out the study with Edinburgh University, said the discovery could have ``far reaching implications for understanding human health and disease and canine health and disease''.
She told the Press Association: ``We asked the question, if a dog is good at one test does it tend to be better than average at the other test? And we found that yes that's true.
``This is the first step in trying to develop a really snappy, reliable dog IQ test, and that has got implications that aren't obvious at first.''
Scientists put the intelligence of 68 working border collies to the test by devising a series of cognitive tasks for them to carry out.
One involved finding their way to a food reward they could see but was behind a barrier - meaning they had to work out to go around the barrier rather than try to dig under it.
Another involved offering two plates of food and assessing if the dogs learnt to go to the one with the bigger portion, while a third task examined how many times a dogs followed a human pointing gesture.
Those that performed well in one of these tasks tended to be above average in the others too.
Dr Arden said scientists have known for some time that brighter people tend to live longer. But this can be notoriously tricky to investigate because our lifestyle choices - whether we smoke, and how much we eat, drink and exercise - have a major impact on our health.
Dogs offer a good insight because they are ``basically teetotal'', Dr Arden said.
``Dogs are very reliable on that front; they don't touch pipes, don't touch cigars, don't kid around with recreational drugs - lots of things that muck up our findings in human reports can be very much better studied in non-human animals'', she said.
They also have another important trait - like humans, they naturally acquire dementia. This causes their behaviour and brain structure to change, Dr Arden said.
She added: ``You'll find a dog that changes its social habits, it doesn't want to be petted any more, it becomes introverted and alone. They reproduce lots of the disturbances found in human dementia.''
Researchers stressed that they have only established that dog intelligence is measurable, as it is in humans, but have yet to establish if this is linked to health.
Dr Mark Adams, research fellow at the University of Edinburgh, said: ``This is only a first step, but we are aiming to create a dog IQ test that is reliable, valid and can be administered quickly.
``Such a test could rapidly improve our understanding of the connection between dog intelligence, health, even lifespan, and be the foundation of 'dognitive epidemiology'.
``Dogs are excellent for this kind of work because they are willing to participate and seem to enjoy taking part.''
The research is published in the journal Intelligence.
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