The old motto is that the back of the mother’s eyes, but a new study suggests that women may also have more in general Sensitive listening.
The study, recently published in the journal Scientific Reports, seeks to examine the correlation between a variety of factors, including gender, age, and region, and hearing sensitivity.
Dr. Patricia Balaresque, a center for biodiversity and environmental research in Toulouse, France, leads a team of scientists to perform hearing tests on 448 people from 13 people Global Community In Ecuador, England, Gabon, South Africa and Uzbekistan.
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The results show that hearing sensitivity is mainly affected by gender and environment, followed by age and left and right ears.
A new study recently published in the journal Scientific Reports shows that women may have more sensitivity to hearing. (iStock)
“Our findings challenge existing assumptions and emphasize the need to consider biological and environmental factors Learn to listen,” Bararesque said in a press release.
Scientists used transiently induced otoacoustic emissions (TEOAE) to measure hearing sensitivity, which evaluated the ability of the cochlea to produce and deliver acoustic responses after sound stimulation.
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The cochlea is a spiral cavity filled with liquid in the inner ear that converts sound waves into electrical pulses that the brain can interpret.
By analyzing the TEOAE profile, researchers gained valuable insights into how the cochlea cochlear coped with external listening stimuli.
Scientists measure hearing sensitivity by recording tiny sounds in response to clicking sounds. (iStock)
To calculate hearing sensitivity, a small device played the sound of clicking in the ear of the test subject, and then recorded the tiny sound of the inner ear responding, responding.
These return signals created by cells in the cochlea provide a reliable indication of how sensitive the ear is to sound.
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The researchers then examined the signals, including their intensity (the unit measured in decibels, used to convey the relative intensity or loudness of the sound) and the frequency at which the ears respond most strongly.
They also compared changes based on a variety of factors, including the subject’s gender, age, tested, and the type of environment they lived in.
According to the researchers, women exhibiting higher sensitivity means hearing may be a practical biological factor. (iStock)
Throughout the test, Women always show Higher sensitivity, averaged two decibels in all populations.
“We were surprised to find that among all the populations we measured, women had two more decibels more sensitive hearings, which illustrates most of the changes between individuals,” Professor Turi King, director of the Center for Evolution in Bathrooms, was released.
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“This may be due to different exposure to hormones during uterine development, which is due to slight structural differences in cochlear implant anatomy in men and women.”
According to King, women also perform better in other hearing tests and speech perceptions, suggesting that their brains are better at processing information.
“Hearing more sensitive hearing in a noisy environment may not always be a good thing.”
“We really don’t know why this is happening, but given the harmful effects of noise on overall health, such as sleep quality and increase Cardiovascular diseaseit may not always be a good thing to gain more sensitive hearing in noisy environments. ” she added.
Although age differences are also a factor in hearing sensitivity (olderness is associated with poor hearing), it is significantly less than the differences between genders.
Research shows that people’s hearing profiles in urban environments shift to higher frequencies, which may be due to the city’s declining sound. (iStock)
Other findings in the study include methods Ecological environment It will affect hearing sensitivity.
For people in urban environments, hearing profiles shift to higher frequencies, which may be caused by constant buzzing of traffic and urban noise in urban environments.
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The biggest contrast was found between high altitude populations and those living in tropical environments, which were more sensitive to hearing.
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This may be a result of living in areas where fewer humans are in the environment, or inherited characteristics from the kind of vigilant wild environment Survival is crucialThe researchers pointed out.
Professor Kim added: “We know humans are continuing to evolve, so the next question is whether our hearing can respond to different environments or whether genetic adaptability is involved.”
