Laugh Like A Dog

It sounds similar to screeching. The differences between chimpanzee and human laughter may be the result of adaptations that have evolved to enable human speech.

One study [ citation needed ] analyzed sounds made by human babies and bonobos when tickled. Humans and chimpanzees share similar ticklish areas of the body such as the armpits and belly. Research has noted the similarity in forms of laughter among humans and apes chimpanzees, bonobos, gorillas, orangutans when tickled, suggesting that laughter derived from a common origin among primate species, and therefore evolved prior to the origin of humans.

Rats emit long, kHz ultrasonic calls that are induced during rough and tumble play, and when tickled by humans. The vocalization is described as distinct "chirping".

This is exactly how you should be easing yourself into the weekend.

Like humans, rats have "tickle skin", areas of the body that generate greater laughter responses than others. Rats that laugh the most also play the most and prefer to spend more time with other laughing rats. It has been reported that there is no decline in the tendency to laugh and respond to tickle skin as rats age, however, it has also been reported that in females, brain maturation after puberty appears to redefine tickling as aversive, leading to avoidance rather than appetitive responses. The sound has been interpreted as an expectation of something rewarding. The initial goal of research by Jaak Panksepp and Jeff Burgdorf was to track the biological origins of how the brain processes emotions and social behavior.

They compared rat vocalizations during social interactions to the joy and laughter commonly experienced by children in social play. They concluded that the kHz rat vocalizations might reflect positive affective states feelings or emotions , analogous to those experienced by children laughing during social play.

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More recent studies have investigated the emotional states of rats after being tickled. An animal's optimism or pessimism can be assessed by cognitive bias studies. I only work out so I'm strong enough to hold every breed of dog like a baby. My mom dressed up as my dog noooooo pic. Notify me of followup comments via e-mail. This scheme in addition to defending the freedom of the press, offers readers a quick, fair and free method of dealing with complaints that they may have in relation to articles that appear on our pages.

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By Kelly Earley Friday 21 Jul , 8: Everyone in the family appreciates how important the family pet is. See more articles by Kelly Earley. Contribute to this story: Over the past 10 or 15 years, studies with rats and chimpanzees have convinced many experts that some animals — rats and chimps, mainly — can, indeed, break out a good guffaw once in a while. In , in a paper entitled " Reconstructing the Evolution of Laughter in Great Apes and Humans ," researchers revealed that young primates like orangutans and chimpanzees, when tickled, let out "tickle-induced vocalizations.

Just last month, in another study, scientists concluded that chimpanzees use the same type of welcoming "laugh face" when they're not being tickled as when they are, suggesting those faces "may present the apes with the opportunity to communicate with their social partners in more explicit and versatile ways.

Researchers took it another step: It's easy, some say, eliciting a reaction that we can call a laugh out of animals just by tickling or rough-housing. But, remember, that kind of play — and that kind of laughter — is common in young humans, too, even infants , suggesting a deep-seated bond between humans and other animals. The more difficult question is whether animals — even those happy-go-lucky chimps and rats — are advanced enough to actually have a "sense" of humor.