From Yang Guifei's smile back and smiled with charm, to Cao Mengde's laughter in Huarongdao, many forms of laughter also carry many human emotions.
Whether smiling or laughing, it is a common way of communication for mankind all over the world. In most cases, it is a pleasant physical reaction and emotion. Laughing can be produced from activities such as being scratched or humor. Of course, it also has the wonderful use of Cao Gong to cover up embarrassment.
Although we are proud to believe that even the smartest AI can’t learn humor, laughter and laughter are unique to us humans. But in fact, laughing is not a human privilege.
Smile without tooth
In the 2006 "Social Cognition and Emotional Neuroscience", primates traced smiles over 30 million years of evolutionary history—same as the original "smiles" of monkeys and apes—to show that they are harmless and send a signal of surrender to their peers.
When a smile-like expression is hung on the faces of animals, it is important not to smile without showing your teeth. In animal behavior, exposed teeth are often used as a threat or warning display; while in our relatives, chimpanzees, this can also be a sign of fear.
Of course, not all displays of teeth convey negative emotions. For example, a paper titled "The Laugh and Smile of the Barbary Macaque" published in Behavior in 1992 pointed out that when playing, Barbary macaques open their mouths and smile, which may have similar roots and purposes to human smiles.
Similarly, dogs and dolphin will also smile at the corner of their mouths to show their friendship.
laughter
. Laughing is more common in nature than expressions, but in most cases, the similar laughter made by animals is different from the meaning of our laughter.
In addition to the psychopathic laughter of spotted hyena , the name of the South American laughter falcon (Herpetotheres cachinnans) also comes from their iconic call - "laughing" or "laughing uncontrollably" in cachinnans Latin .
So, what about the laughter of primates?
As the research deepens, scientists have noticed the similarity of the forms of laughter caused by tickling among various primates—many primates (chimps, gorilla and orangutans) make laughter-like sounds when physical contact (such as wrestling , chase games or tickling)—which suggests that laughter is most likely originating from the common origin of primates. In addition to
Primate , mice are also commonly used in itching research. If you turn them over and scratch their belly, they will make a squeaking laugh that is more than twice the limit of the human ear.
What makes us human smiles unique
The general view is that laughter is a social behavior of some mammals. It is a way to disarm others, ease social tensions and build connections.
The smiles of animals always sincerely convey their emotions and indicate the next step of behavior. And humans will make false. What we often say is that it is not a smile - in the West, it is called "Pan American Smile" or " Botox Smile" (the perfunctory flight attendant of Pan American Airlines , and muscle paralysis caused by long-term use of Botox injection) - only the zygomatic muscles voluntarily contract, and the small muscles around the eyes remain unmoved.
Furthermore, " Smile Tiger " and "Hidden Knife in Smile" are unique to humans.
Everyone can hold back from laughing when they are tickled, as long as...
Although we can deceive others with smiles, our own bodies are honest - we cannot make ourselves laugh by tickling.
tickling, usually playful, flirting, rather than a "serious" theme, but a new study shows they write key questions about our brains.
far away in Ancient Greek , Aristotle was once curious about itchyness.There are also Socrates , Galileo and Bacon, etc. People are curious about why other people’s touch makes people laugh out loud, but they don’t touch themselves. But more than 2,000 years have passed and there has been no answer.
Last year, a research team challenged this. They found some volunteers (couples, friends, relatives) to conduct experiments on being tickled in various parts of the body (what torture) - Finally, in September this year, they wrote an article in Royal Society B, reporting research results - experiments prove that the degree of itch is directly related to laughter; another unexpected discovery is that while humans are tickled by themselves, their bodies will suppress the itch, and even if they are tickled by others, they will not laugh.
What is the reason for this? When our actions promote sensory perception, our brains have long learned to reject and suppress sensory perception—filter received information.
Therefore, if the brain suppresses the response to touch when it’s self-itting, it also inhibits the response to being itched by others. Commonly known as "resistance".
Archite Are you tickling? Scientist: If you scratch yourself first, you won’t be so strong when others scratch you.
is written at the end
When a person is scratched and laughed, what is happening to in the nervous system scientists still have no answer. Because this requires recording muscle contractions, or standardizing the itching process with a robot or machine. That might be the next step of experiment.
Finally, there is another unexpected gain in this experiment that should let more people know - this exploration of playful neuroscience has a great impact on the subject volunteers: through touch, emotions can be expressed more clearly than facial expressions or language, and hugging more and touching more is really important for emotions.
Write this, I remembered the old Italian man I met while working in Tuya. After we blew a bottle of treasured Niulanshan Erguotou , he turned red and excitedly and mysteriously revealed the secret to my wife and I for more than 40 years of love - "No matter what occasion, always put my hand on her."
Author thanks for your attention (- _-)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-