Dogs’ brains are sensitive to the familiar high-pitched “cute” voice tone that adult humans, especially women, use to talk to babies, according to a new study.
The research, published recently in the journal Communications Biology, found “exciting similarities” between infant and dog brains during the processing of speech with such a high-pitched tone feature.
Humans tend to speak with a specific speech style characterised by exaggerated prosody, or patterns of stress and intonation in a language, when communicating with individuals having limited language competence.
Such speech has previously been found to be very important for the healthy cognitive, social and language development of children, who are also tuned to such a high-pitched voice.
But researchers, including those from the Eötvös Loránd University in Hungary, hoped to assess whether dog brains are also sensitive to this way of communication.
In the study, conscious family dogs were made to listen to dog, infant and adult-directed speech recorded from 12 women and men in real-life interactions.
As the dogs listened, their brain activities were measured using a functional magnetic resonance imaging (fMRI) scan.
The study found the sound-processing regions of the dogs’ brains responded more to dog- and infant-directed than adult-directed speech.
This marked the first neurological evidence that dog brains are tuned to speech directed specifically at them.
“Studying how dog brains process dog-directed speech is exciting, because it can help us understand how exaggerated prosody contributes to efficient speech processing in a nonhuman species skilled at relying on different speech cues,” explained Anna Gergely, co-first author of the study.
Scientists also found dog- and infant-directed speech sensitivity of dog brains was more pronounced when the speakers were women, and was affected by voice pitch and its variation.
These findings suggest the way we speak to dogs matters, and that their brain is specifically sensitive to the higher-pitched voice tone typical to the female voice.
“Remarkably, the voice tone patterns characterizing women’s dog-directed speech are not typically used in dog-dog communication – our results may thus serve evidence for a neural preference that dogs developed during their domestication,” said Anna Gábor, co-first author of the study.
“Dog brains’ increased sensitivity to dog-directed speech spoken by women specifically may be due to the fact that women more often speak to dogs with exaggerated prosody than men,” Dr Gabor said.
Poodle that lost both legs in horrific car crash now bounces around like a kangaroo and ‘is happier than ever’
Jumping on her two hind legs, this happy poodle moves more like a kangaroo than a dog after losing her front legs in a car crash.
The pup named Cora Rose was destined for euthanasia after her legs and pelvis were shattered in the accident in Stockton, California last year.
But Zach Skow, 39, and his wife Heather, 32, rescued her from an animal shelter and paid $10,000 for life-saving medical treatment.
The determined pooch at first used a cart to get around but now spends most of her time bouncing around on her hind legs.
Mr Skow, who has four other dogs and cares for 115 through his charity Marley’s Mutts, said: ‘Of all our dogs, Cora Rose is the happiest.
‘Dogs can bounce back so quickly – she jumps, hops, all day long – she’s very strong.
‘She’s so resilient. Her quality of life is through the roof – losing her two front legs hasn’t starved her of anything.’
The couple first came across Cora Rose at the City of Stockton Animal Shelter in California, where staff were considering euthanasia after the December 2017 crash.
When they rescued Cora Rose, she had one leg in a cast and was suffering an osteo infection in the other, caused by bone protruding through the skin turning septic.
Mr Skow, who has four other dogs and cares for 115 through his charity Marley’s Mutts, said: ‘Of all our dogs, Cora Rose is the happiest’
After the operation, it took two months for the poodle to heal and then she could finally use her cart to get around
Mr Skow, who has a six-month-old daughter, said: ‘That kind of infection is like cancer for dogs.
‘The leg needed to be amputated immediately. One leg at a time had to be amputated, because she would have been under anaesthesia for too long if we had done both.
‘After surgery, she had a hard time because she still had a shattered hip and still couldn’t move properly.
‘It took two months to heal, and then she could finally use her cart to get around.’
Now, seven months after the surgery in March this year, sprightly Cora Rose is hopping around like nothing happened.
Mr Skow says Cora Rose and the other pups rescued him from alcoholism.
Now, several months after the surgery in March this year, sprightly Cora Rose is hopping around like nothing happened
He founded Marley’s Mutts in 2009 and says the animals are what helped him get sober.
Mr Skow, who also has a pig, horse and cat, said: ‘I had cirrhosis of the liver and needed a transplant.
‘My weight dropped from 183 lbs to 140 lbs, my skin was yellow and I had to use a catheter.
‘I had fantasized about ways of taking my own life. I didn’t recognize myself in the mirror. I looked like an old man.
‘One day I was weeping and crying when I looked back to see my dogs looking at me.
‘It made me realize that I was still the leader of their pack. They could still see the man inside.
‘The next day I started walking with them. Everywhere I went I had dogs with me.
‘Walking with the dogs meant I became healthy enough to undergo a liver transplant, but six months later doctors told me I didn’t even need one any more.
‘I never set out to be a dog rescuer, but they saved me.
‘Now we rescue hundreds of dogs a year. It’s the most heartwarming thing you can do.’
Mr Skow, who also has a pig, horse and cat, took in Cara Rose (pictured after the operation)Continue Reading
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