A dog really does understand its master’s voice, new research has shown.
Words and the way they are spoken are processed on different sides of the canine brain – just as they are in humans.
Although it would be barking up the wrong tree to assume they have a human-like grasp of language, dogs appear to pay attention to words and sentences just like we do.
The study tested dogs’ “hemispheric bias” – favouring the left or right side of the brain – as they listened to a “come on” command from their owners.
Due to cross-wiring in the brain, if a dog turns its left ear towards the voice it means that the right side of the brain is processing the sound.
Conversely, turning the right ear forward means that sound is being processed in the left hemisphere.
Sounds containing exaggerated intonation or emotional cues prompted the first reaction and those highlighting meaningful word components the second.
"This is particularly interesting because our results suggest that the processing of speech components in the dog's brain is divided between the two hemispheres in a way that is actually very similar to the way it is separated in the human brain," said Dr David Reby, a researcher at the University of Sussex. The findings are reported in the journal Current Biology.
“The striking correspondence between dogs’ and humans’ hemispheric biases
reported here may reflect convergent evolution if dogs have been selected to respond to human vocal signals during domestication,” the scientists wrote in their paper.
“Alternatively, they may be indicative of shared hemispheric specialisations that are present across distant mammal species and expressed when exposed to functionally meaningful speech signals.”
* Press Association
If you go
Where to stay: Courtyard by Marriott Titusville Kennedy Space Centre has unparalleled views of the Indian River. Alligators can be spotted from hotel room balconies, as can several rocket launch sites. The hotel also boasts cool space-themed decor.
When to go: Florida is best experienced during the winter months, from November to May, before the humidity kicks in.
How to get there: Emirates currently flies from Dubai to Orlando five times a week.
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Getting there
The flights
Emirates and Etihad fly to Johannesburg or Cape Town daily. Flights cost from about Dh3,325, with a flying time of 8hours and 15 minutes. From there, fly South African Airlines or Air Namibia to Namibia’s Windhoek Hosea Kutako International Airport, for about Dh850. Flying time is 2 hours.
The stay
Wilderness Little Kulala offers stays from £460 (Dh2,135) per person, per night. It is one of seven Wilderness Safari lodges in Namibia; www.wilderness-safaris.com.
Skeleton Coast Safaris’ four-day adventure involves joining a very small group in a private plane, flying to some of the remotest areas in the world, with each night spent at a different camp. It costs from US$8,335.30 (Dh30,611); www.skeletoncoastsafaris.com