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According to Dutch researchers, babies would "unlearn" their cute scars later to make way for speech.
Few things melt our hearts like a darling baby. The fact that our laughter becomes less touching as we get older would not have to lose to ourselves. Babies would laugh fundamentally differently than adults: both by inhaling and exhaling. Dutch psychologists told it last week at a meeting of the American Society of America in Canada
. Read also: Dutch babies laugh more than Americans
. The psychologist Disa Sauter (University of Amsterdam) studied fragments of films and sounds of 44 children between the ages of 3 and 18, in collaboration with psychologists from the University of Leiden and the phonetician Bronwen Evans (University College London) . Younger babies have not been included in the study because bursts of laughter only develop around 3 to 3.5 months.
More than a hundred students in psychology have listened to the fragments and determined to what extent the laughter clips were taking place during breathing. From the data, the researchers found that the youngest babies laughed during both expiration and expiration. Older babies seemed to laugh especially when they exhaled – just like older children and adults.
Researchers believe that adults are not adults. But the laughter of young babies would be very similar to that of other primates – young and old
"Laughter is one of the few" innate "sounds that make up the vocal repertoire of our species," says primatologist Adriano Lameira (University from St Andrews). "Although more than 600 consonant sounds and 200 vowels are distributed in all languages, not everyone produces more than ten innate sounds, such as crying, screaming and of course laughing."
"In this sense, it would not be crazy for newborns to laugh in a way that resembles the respiratory pattern of other primates.These types of innate sounds are often very old in their evolution," says the researcher. However, Lameira thinks that only the laughter of great apes, our close relatives like the gorilla and the chimpanzee, is enough to compare them to ours.
This gorilla also laughs in – and l & rsquo; Expiration, just like young children – but much lower.
Speech
About the reasons why we laugh mostly at the late expiration, the researchers do not agree. According to Sauter, this could be related to the development of the speech.Lameira also sees this as a possibility. "I did not know that the way of breathing changed over time, but that could actually be related to the influence of the spoken language, "he explains. 19659009] According to Lameira, one of the ways to investigate this issue would be investigation. following the children's laughter and the development of language.
Sources: American Society of Acoustics, EurekAlert !, Gizmodo
Image: Pixabay CC0, Cellular Press Video / YouTube
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