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If you want more babies, find a man with a deep voice
September 25, 2007Men who have lower-pitched voices have more children than do men with high-pitched voices, researchers have found. And their study suggests that for reproductive-minded women, mate selection favours men with low-pitched voices.
The study, published in Biology Letters, offers insight into the evolution of the human voice as well as how we choose our mates.
In previous studies, David Feinberg, assistant professor in the Department of Psychology, Neuroscience and Behaviour at McMaster University, and his colleagues have shown that women find deeper male voices to be more attractive, judging them to be more dominant, older, healthier and more masculine sounding. Men, on the other hand, find higher-pitch voices in women more attractive, subordinate, feminine, healthier and younger sounding.
"While we find in this new study that voice pitch is not related to offspring mortality rates," says Feinberg," we find that men with low voice pitch have higher reproductive success and more children born to them."
Feinberg and his colleague Coren Apicella chose their subjects for this study from the Hadza of Tanzania, one of the last true hunter-gatherer cultures. Because the Hadza have no modern birth control, the researchers were able to determine that men who have lower pitched voices have more children than men with higher pitched voices.
"If our ancestors went through a similar process", says Feinberg, "this could be one reason why men's and women's voices sound different."
McMaster University
"While we find in this new study that voice pitch is not related to offspring mortality rates," says Feinberg," we find that men with low voice pitch have higher reproductive success and more children born to them."
Feinberg and his colleague Coren Apicella chose their subjects for this study from the Hadza of Tanzania, one of the last true hunter-gatherer cultures. Because the Hadza have no modern birth control, the researchers were able to determine that men who have lower pitched voices have more children than men with higher pitched voices.
"If our ancestors went through a similar process", says Feinberg, "this could be one reason why men's and women's voices sound different."
McMaster University
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New brain findings on dyslexic children
The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, according to new research from Northwestern University.
Neural mechanism reveals why dyslexic brain has trouble distinguishing speech from noise
New research reveals that children with developmental dyslexia have a deficit in a brain mechanism involved in the perception of speech in a noisy environment.
Babies with an accent
In the first days of their lives, French infants already cry in a different way to German babies.
Higher health insurance costs force doctors to talk about money with patients
As health insurers require people to base more treatment decisions on out-of-pocket costs, physicians should learn to talk to patients about money, according to researchers at Wake Forest University School of Medicine.
Sights and sounds of emotion trigger big brain responses
Researchers at the University of York have identified a part of the brain that responds to both facial and vocal expressions of emotion.
Whales are polite conversationalists
What do a West African drummer and a sperm whale have in common? According to some reports, they can both spot rhythms in the chatter of an ocean crowded with the calls of marine mammals -- a feat impossible for the untrained human ear.
Teacher talk strains voices, especially for women
Teachers tend to spend more time speaking than most professionals, putting them at a greater risk for hurting their voices -- they're 32 times more likely to experience voice problems, according to one study. And unlike singers or actors, teachers can't take a day off when their voices hurt.
Geologists studying groundwater arsenic levels in India empower Bengali women, children
A Kansas State University geologist and graduate student are finding that the most important tools in their fieldwork on groundwater arsenic pollution are women and children armed with pamphlets and testing kits.
Irrational exuberance behind recent stock gains, says UAB finance expert
A second straight week of stronger-than-expected third quarter earnings from a broad cross section of U.S. industries has held the nation's Dow Jones Industrial Average above the psychological benchmark of 10,000 points for the week of Oct. 19, but the climb isn't likely to last, says a finance expert at the University of Alabama at Birmingham (UAB).
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